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<div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6251f8f06caf5961925218f4/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">2013 <span class="ff2 ls1">年</span> 02 <span class="ff2 ls2">月文<span class="_ _0"></span>档<span class="_ _0"></span><span class="ff1 ls3 ws1"> ID 018909 <span class="ff2 ls1 ws0">第</span><span class="ls4 ws2"> 4 <span class="ff2 ls1 ws0">版<span class="_ _1"> </span><span class="ff1 ls5">1/1284</span></span></span></span></span></div><div class="t m0 x2 h3 y2 ff3 fs1 fc0 sc0 ls6 ws0">RM0090</div><div class="t m0 x3 h4 y3 ff2 fs1 fc0 sc1 ls1 ws0">参考手册</div><div class="t m0 x4 h5 y4 ff1 fs2 fc0 sc0 ls7 ws0">STM32F40xxx<span class="ff2 ls1">、</span>STM32F41xxx<span class="ff2 ls1">、</span>STM32F42xxx<span class="ff2 ls1">、</span>STM32F43xxx</div><div class="t m0 x5 h5 y5 ff2 fs2 fc0 sc0 ls8 ws0">基于<span class="ff1 ls9 ws3"> ARM </span><span class="lsa">内核的<span class="ff1 lsb ws4"> 32 </span>位高级<span class="ff1 ls7 ws5"> <span class="_ _2"></span>MCU </span></span></div><div class="t m0 x6 h6 y6 ff2 fs3 fc0 sc1 ls1 ws0">前言</div><div class="t m0 x6 h7 y7 ff2 fs4 fc0 sc0 lsc ws0">本参考手册面向应用开发人员，<span class="_ _3"></span>提供有关使用<span class="ff1 lsd ws6"> STM32F405xx/07xx</span><span class="ls1">、<span class="ff1 lsd">STM32F415xx/17xx</span>、 </span></div><div class="t m0 x6 h7 y8 ff1 fs4 fc0 sc0 ls1 ws0">STM32F42xxx <span class="ff2">和</span><span class="lse ws7"> STM32F43xxx </span><span class="ff2 lsf">微控制器存储器与外设的完整信息。</span></div><div class="t m0 x6 h7 y9 ff1 fs4 fc0 sc0 lsd ws0">STM32F405xx/07xx<span class="ff2 ls1">、</span>STM32F415xx/17xx<span class="ff2 ls1">、</span><span class="ls10">STM32F42xxx <span class="_ _4"> </span><span class="ff2 ls1">和</span><span class="lse ws8"> STM32F43xxx <span class="_ _5"></span></span><span class="ff2 ls11">构成一个微</span></span></div><div class="t m0 x7 h8 ya ff2 fs4 fc0 sc0 ls11 ws0"> <span class="_ _6"></span><span class="ls12"> </span></div><div class="t m0 x6 h8 yb ff2 fs4 fc0 sc0 lsf ws0">控制器系列，各产品具有不同的存储器大小、封装和外设。</div><div class="t m0 x6 h8 yc ff2 fs4 fc0 sc0 ls13 ws0">有关订购信息以及器件的机械与电气特性，请参见数据手册。</div><div class="t m0 x6 h7 yd ff2 fs4 fc0 sc0 ls1 ws0">有关<span class="ff1 lse ws7"> ARM Cor</span></div><div class="t m0 x8 h7 ye ff1 fs4 fc0 sc0 lse ws7">te<span class="_ _3"></span>x™-M4F <span class="ff2 ls13 ws0">内核的信息，请参见《<span class="ff1 ls10">Cor<span class="_ _2"></span>te<span class="_ _3"></span>x™-M4F <span class="ff2 ls14">技术参考手册》。</span></span></span></div><div class="t m0 x6 h6 yf ff2 fs3 fc0 sc1 ls15 ws0">相关文档</div><div class="t m0 x6 h7 y10 ff2 fs4 fc0 sc0 lsf ws0">意法半导体网站<span class="ff1 ls16 ws9"> (http://www<span class="_ _7"></span><span class="ls1 ws0">.<span class="ls16">st.com) <span class="ff2 ls17">提供以下文档：</span></span></span></span></div><div class="t m1 x6 h9 y11 ff4 fs5 fc0 sc0 ls1 ws0">■</div><div class="t m0 x9 ha y11 ff5 fs4 fc0 sc0 lse ws0">STM32F40x </div><div class="t m2 xa hb y11 ff2 fs6 fc0 sc0 ls1 ws0">和</div><div class="t m0 xb ha y11 ff5 fs4 fc0 sc0 lsd wsa"> STM32F41x </div><div class="t m2 xc hb y11 ff2 fs6 fc0 sc0 ls18 ws0">数据手册</div><div class="t m1 x6 h9 y12 ff4 fs5 fc0 sc0 ls1 ws0">■</div><div class="t m0 x9 ha y12 ff5 fs4 fc0 sc0 lse ws0">STM32F42x </div><div class="t m2 xa hb y12 ff2 fs6 fc0 sc0 ls1 ws0">和</div><div class="t m0 xb ha y12 ff5 fs4 fc0 sc0 lsd wsa"> STM32F43x </div><div class="t m2 xc hb y12 ff2 fs6 fc0 sc0 ls18 ws0">产品简介</div><div class="t m0 x6 h7 y13 ff4 fs7 fc0 sc0 ls1 ws0">■<span class="_ _8"> </span><span class="ff2 fs4 ls17">有关带<span class="ff1 ls1 wsb"> FPU </span><span class="ls1">的<span class="ff1 ls16 ws9"> ARM Cortex™-M4 </span><span class="lsf">内核的信息，请参见《<span class="ff1 ls10 wsc">STM32F3xx/F4xxx Cortex™-</span></span></span></span></div><div class="t m0 x9 h7 y14 ff1 fs4 fc0 sc0 ls19 ws0">M4 <span class="ff2">编程手册》</span></div><div class="t m0 xb h8 y15 ff5 fs4 fc0 sc0 ls16 ws0">(PM0214)<span class="ff2 ls1">。</span></div><div class="t m0 x6 hc y16 ff1 fs8 fc0 sc0 ls1a ws0"> </div><div class="t m0 x6 h8 y17 ff2 fs4 fc0 sc1 ls1 ws0">表<span class="ff3 sc0 ls1b wsd"> 1.<span class="_ _9"> </span></span><span class="ls13">适用产品</span></div><div class="t m0 xd hd y18 ff2 fs0 fc0 sc1 ls1c ws0">产品系列<span class="_ _a"> </span>料号和产品类别</div><div class="t m0 xe hd y19 ff2 fs0 fc0 sc0 ls1 ws0">微控制器</div><div class="t m0 xf h2 y1a ff1 fs0 fc0 sc0 ls1d ws0">STM32F405xx<span class="ff2 ls1">、</span>STM32F407xx<span class="ff2 ls1">、</span>STM32F415xx<span class="ff2 ls1">、</span></div><div class="t m0 xf h2 y1b ff1 fs0 fc0 sc0 ls1d ws0">STM32F417xx<span class="ff2 ls1">、</span>STM32F427xx<span class="ff2 ls1">、</span>STM32F437xx</div><div class="t m0 x10 he y1c ff5 fs9 fc1 sc0 ls1e ws0">www<span class="_ _7"></span>.st.com</div><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div>
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<div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6251f8f06caf5961925218f4/bg2.jpg"><div class="t m0 x1 h8 y1d ff2 fs4 fc0 sc1 ls1 ws0">目录<span class="_ _b"> </span><span class="ff3 sc0 lsd">RM0090</span></div><div class="t m0 x1 h2 y1e ff1 fs0 fc0 sc0 ls1f ws0">2/1284<span class="_ _1"> </span><span class="ff2 ls1">文档</span><span class="ls3 ws1"> ID 018909 </span><span class="ff2 ls1">第</span><span class="ls4 ws2"> 4 </span><span class="ff2 ls1">版</span></div><div class="t m0 x1 hf y1f ff2 fsa fc0 sc1 ls1 ws0">目录</div><div class="t m0 x1 h10 y20 ff3 fsb fc0 sc0 ls1 ws0">1<span class="_ _c"> </span><span class="ff2 sc1">文档约定</span><span class="ls20"> <span class="_ _d"></span> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _5"></span>47</span></div><div class="t m0 x6 h11 y21 ff1 fsc fc0 sc0 ls21 ws0">1.1<span class="_ _e"> </span><span class="ff2 ls22">寄存器相关缩写词列表</span><span class="ls23 wse"> <span class="_ _f"> </span>. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _10"> </span>47</span></div><div class="t m0 x6 h11 y22 ff1 fsc fc0 sc0 ls21 ws0">1.2<span class="_ _e"> </span><span class="ff2 ls24">词汇表</span><span class="ls25 wsf"> <span class="_"> </span> . . . . . . . . . . . . . . . . . . . . . . . . . </span><span class="ls26">. . . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _f"> </span>48</span></div><div class="t m0 x6 h11 y23 ff1 fsc fc0 sc0 ls21 ws0">1.3<span class="_ _e"> </span><span class="ff2 ls27">外设可用性</span><span class="ls28 ws10"> <span class="_ _f"> </span>. . . . . . . . . . . . . . . . . . . . . . . . <span class="ls29 ws11">. . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _f"> </span>48</span></span></div><div class="t m0 x1 h10 y24 ff3 fsb fc0 sc0 ls1 ws0">2<span class="_ _c"> </span><span class="ff2 sc1">存储器和总线架构</span><span class="ls20"> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _5"></span>49</span></div><div class="t m0 x6 h11 y25 ff1 fsc fc0 sc0 ls21 ws0">2.1<span class="_ _e"> </span><span class="ff2 ls22">系统架构</span><span class="ls25 wsf"> <span class="_ _5"></span>. . . . . . . . . . . . . . . . . . . . . . . . . <span class="ls26 ws12">. . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _10"> </span>49</span></span></div><div class="t m0 x11 h7 y26 ff1 fs4 fc0 sc0 lsd ws0">2.1.1<span class="_ _e"> </span>S0<span class="ff2 ls1">：</span><span class="ls2a">I <span class="ff2 ls2b">总线</span></span> <span class="_ _2"></span> . . . . . . . . . . . . . . . . . . . . . . . <span class="ls16 ws13">. . . . . . . . . . . . . . . . . . . . . . . . 51</span></div><div class="t m0 x11 h7 y27 ff1 fs4 fc0 sc0 ls10 ws0">2.1.2<span class="_ _e"> </span>S1<span class="ff2 ls1">：</span><span class="ls2c">D <span class="ff2 ls2b">总线</span></span><span class="ws14"> <span class="_ _d"> </span> . . . . . . . . . . . . . . . . . . . . . . . <span class="ls16 ws15">. . . . . . . . . . . . . . . . . . . . . . . 51</span></span></div><div class="t m0 x11 h7 y28 ff1 fs4 fc0 sc0 ls10 ws0">2.1.3<span class="_ _e"> </span>S2<span class="ff2 ls1">：</span><span class="ls2d">S <span class="ff2 ls1">总线</span></span><span class="ws14"> <span class="_ _4"> </span> . . . . . . . . . . . . . . . . . . . . . . . <span class="ls16 ws15">. . . . . . . . . . . . . . . . . . . . . . . 51</span></span></div><div class="t m0 x11 h7 y29 ff1 fs4 fc0 sc0 ls10 ws0">2.1.4<span class="_ _e"> </span>S3<span class="ff2 ls1">、</span><span class="ls2d">S4<span class="ff2 ls1">：</span><span class="ls2e">DMA <span class="ff2 ls19">存储器总线</span><span class="ls16 ws16"> <span class="_ _5"></span> . . . . . . . . . . . . . . . . . <span class="ls1b ws17">. . . . . . . . . . . . . . . . . 51</span></span></span></span></div><div class="t m0 x11 h7 y2a ff1 fs4 fc0 sc0 ls10 ws0">2.1.5<span class="_ _e"> </span>S5<span class="ff2 ls1">：</span><span class="ls2e">DMA <span class="ff2 ls14">外设总线</span><span class="ls16 ws18"> <span class="_"> </span>. . . . . . . . . . . . . . . . . . . . <span class="ws13">. . . . . . . . . . . . . . . . . . . . 51</span></span></span></div><div class="t m0 x11 h7 y2b ff1 fs4 fc0 sc0 ls10 ws0">2.1.6<span class="_ _e"> </span>S6<span class="ff2 ls14">：以太网</span><span class="ls16 ws9"> DMA </span><span class="ff2 ls1">总线</span><span class="lsd ws19"> <span class="_ _5"></span>. . . . . . . . . . . . . . . . . . . <span class="ls1b ws1a">. . . . . . . . . . . . . . . . . . . 51</span></span></div><div class="t m0 x11 h7 y2c ff1 fs4 fc0 sc0 ls10 ws0">2.1.7<span class="_ _e"> </span>S7<span class="ff2 ls1">：</span><span class="lse ws19">USB O<span class="_ _3"></span>TG HS DMA <span class="ff2 ls2b ws0">总线<span class="ff1 ls16"> . . . . . . . . . . . . . . . . <span class="ls1 ws1b">. . . . . . . . . . . . . . . . 51</span></span></span></span></div><div class="t m0 x11 h7 y2d ff1 fs4 fc0 sc0 ls10 ws0">2.1.8<span class="_ _e"> </span><span class="ff2 ls14">总线矩阵</span><span class="ls16 ws18"> <span class="_"> </span> . . . . . . . . . . . . . . . . . . . . . . . . <span class="ws13">. . . . . . . . . . . . . . . . . . . . . . . . 51</span></span></div><div class="t m0 x11 h7 y2e ff1 fs4 fc0 sc0 lsd ws0">2.1.9<span class="_ _e"> </span>AHB/APB <span class="ff2 ls17">总线桥</span><span class="ls16 ws13"> (APB) <span class="_ _5"></span>. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51</span></div><div class="t m0 x6 h11 y2f ff1 fsc fc0 sc0 ls21 ws0">2.2<span class="_ _e"> </span><span class="ff2 ls22">存储器组织结构</span><span class="ls23 wsf"> <span class="_ _4"> </span> . . . . . . . . . . . . . . . . . . . . . . <span class="_ _3"></span><span class="ws0">. . . . . . . . . . . . . . . . . . . . . . <span class="_ _10"> </span>52</span></span></div><div class="t m0 x6 h11 y30 ff1 fsc fc0 sc0 ls21 ws0">2.3<span class="_ _e"> </span><span class="ff2 ls27">存储器映射</span><span class="ls28 ws10"> <span class="_ _f"> </span>. . . . . . . . . . . . . . . . . . . . . . . . <span class="ls29 ws11">. . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _f"> </span>52</span></span></div><div class="t m0 x11 h7 y31 ff1 fs4 fc0 sc0 ls10 ws0">2.3.1<span class="_ _e"> </span><span class="ff2 ls17">嵌入式</span><span class="lsd ws16"> SRAM <span class="_ _2"></span>. . . . . . . . . . . . . . . . . . . . . <span class="ls16 ws13">. . . . . . . . . . . . . . . . . . . . . . . . 55</span></span></div><div class="t m0 x11 h7 y32 ff1 fs4 fc0 sc0 lsd ws0">2.3.2<span class="_ _e"> </span>Flash <span class="ff2 ls1">概述</span> <span class="_ _5"></span> . . . . . . . . . . . . . . . . . . . . . . . <span class="ls16 ws13">. . . . . . . . . . . . . . . . . . . . . . . . 55</span></div><div class="t m0 x11 h7 y33 ff1 fs4 fc0 sc0 ls10 ws0">2.3.3<span class="_ _e"> </span><span class="ff2 ls2b">位段</span><span class="ls16 ws16"> <span class="_ _2"></span> . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="ws18">. . . . . . . . . . . . . . . . . . . . . . . . . . 55</span></span></div><div class="t m0 x6 h11 y34 ff1 fsc fc0 sc0 ls21 ws0">2.4<span class="_ _e"> </span><span class="ff2 ls22">自举配置</span><span class="ls25 wsf"> <span class="_ _5"></span>. . . . . . . . . . . . . . . . . . . . . . . . . <span class="ls26 ws12">. . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _10"> </span>56</span></span></div><div class="t m0 x1 h10 y35 ff3 fsb fc0 sc0 ls1 ws0">3<span class="_ _c"> </span><span class="ff2 sc1">嵌入式</span><span class="ls2f ws1c"> Flash </span><span class="ff2 sc1">接口</span><span class="ls20 ws1d"> <span class="_ _d"></span>. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _5"></span>58</span></div><div class="t m0 x6 h11 y36 ff1 fsc fc0 sc0 ls21 ws0">3.1<span class="_ _e"> </span><span class="ff2 ls24">前言</span><span class="ls23 wse"> <span class="_ _4"> </span> . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _3"></span><span class="ws0">. . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _10"> </span>58</span></span></div><div class="t m0 x6 h11 y37 ff1 fsc fc0 sc0 ls21 ws0">3.2<span class="_ _e"> </span><span class="ff2 ls22">主要特性</span><span class="ls25 wsf"> <span class="_ _5"></span>. . . . . . . . . . . . . . . . . . . . . . . . . <span class="ls26 ws12">. . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _10"> </span>58</span></span></div><div class="t m0 x6 h11 y38 ff1 fsc fc0 sc0 ls21 ws0">3.3<span class="_ _e"> </span><span class="ff2 ls24">嵌入式</span><span class="ls23 wsf"> Flash <span class="_ _2"></span>. . . . . . . . . . . . . . . . . . . . . . <span class="ws12">. . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _10"> </span>59</span></span></div><div class="t m0 x6 h11 y39 ff1 fsc fc0 sc0 ls21 ws0">3.4<span class="_ _e"> </span><span class="ff2 ls24">读接口</span><span class="ls25 wsf"> <span class="_"> </span> . . . . . . . . . . . . . . . . . . . . . . . . . </span><span class="ls26">. . . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _f"> </span>60</span></div><div class="t m0 x11 h7 y3a ff1 fs4 fc0 sc0 lse ws0">3.4.1<span class="_ _e"> </span>CPU <span class="ff2 ls17">时钟频率与</span><span class="ls1 wsb"> Flash </span><span class="ff2 ls30">读取时间之间的关系</span><span class="ls16 ws13"> <span class="_ _d"> </span>. . . . . . . . . . . . . . . . . . . . . 60</span></div><div class="t m0 x11 h7 y3b ff1 fs4 fc0 sc0 ls10 ws0">3.4.2<span class="_ _e"> </span><span class="ff2 ls30">自适应实时存储器加速器</span><span class="ls1b ws1a"> (ART Acceler<span class="_ _3"></span>ator™) <span class="_ _d"></span> . . . . . . . . . . . . . . . . . . . 62</span></div><div class="t m0 x6 h11 y3c ff1 fsc fc0 sc0 ls21 ws0">3.5<span class="_ _e"> </span><span class="ff2 ls22">擦除和编程操作</span><span class="ls23 wsf"> <span class="_ _4"> </span> . . . . . . . . . . . . . . . . . . . . . . <span class="_ _3"></span><span class="ws0">. . . . . . . . . . . . . . . . . . . . . . <span class="_ _10"> </span>64</span></span></div><div class="t m0 x11 h7 y3d ff1 fs4 fc0 sc0 ls10 ws0">3.5.1<span class="_ _e"> </span>Flash <span class="ff2 ls13">控制寄存器解锁</span><span class="lsd ws19"> <span class="_ _5"></span> . . . . . . . . . . . . . . . . . . . <span class="ls1b ws1a">. . . . . . . . . . . . . . . . . . . 64</span></span></div><div class="t m0 x11 h7 y3e ff1 fs4 fc0 sc0 ls10 ws0">3.5.2<span class="_ _e"> </span><span class="ff2 ls2b">编程<span class="_ _5"></span></span><span class="ls1">/<span class="_ _5"></span><span class="ff2 ls13">擦除并行位数</span><span class="ls16 ws16"> <span class="_ _f"> </span> . . . . . . . . . . . . . . . . . . . . <span class="ws15">. . . . . . . . . . . . . . . . . . . . 64</span></span></span></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a 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<div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6251f8f06caf5961925218f4/bg3.jpg"><div class="t m0 x12 h2 y1e ff2 fs0 fc0 sc0 ls1 ws0">文档<span class="ff1 ls3 ws1"> ID 018909 </span>第<span class="ff1 ls4 ws2"> 4 </span>版<span class="_ _1"> </span><span class="ff1 ls5">3/1284</span></div><div class="t m0 x1 h8 y1d ff3 fs4 fc0 sc0 lsd ws0">RM0090<span class="_ _b"> </span><span class="ff2 sc1 ls1">目录</span></div><div class="t m0 x13 h12 y1c ff1 fs9 fc2 sc0 ls31 ws0">32</div><div class="t m0 x11 h7 y3f ff1 fs4 fc0 sc0 ls10 ws0">3.5.3<span class="_ _e"> </span><span class="ff2 ls2b">擦除</span><span class="ls16 ws16"> <span class="_ _2"></span> . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="ws18">. . . . . . . . . . . . . . . . . . . . . . . . . . 65</span></span></div><div class="t m0 x11 h7 y40 ff1 fs4 fc0 sc0 ls10 ws0">3.5.4<span class="_ _e"> </span><span class="ff2 ls2b">编程</span><span class="ls16 ws16"> <span class="_ _2"></span> . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="ws18">. . . . . . . . . . . . . . . . . . . . . . . . . . 66</span></span></div><div class="t m0 x11 h7 y41 ff1 fs4 fc0 sc0 ls10 ws0">3.5.5<span class="_ _e"> </span><span class="ff2 ls2b">中断</span><span class="ls16 ws16"> <span class="_ _2"></span> . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="ws18">. . . . . . . . . . . . . . . . . . . . . . . . . . 66</span></span></div><div class="t m0 x6 h11 y42 ff1 fsc fc0 sc0 ls21 ws0">3.6<span class="_ _e"> </span><span class="ff2 ls22">选项字节</span><span class="ls25 wsf"> <span class="_ _5"></span>. . . . . . . . . . . . . . . . . . . . . . . . . <span class="ls26 ws12">. . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _10"> </span>67</span></span></div><div class="t m0 x11 h7 y43 ff1 fs4 fc0 sc0 lsd ws0">3.6.1<span class="_ _e"> </span><span class="ff2 ls30">关于用户选项字节的说明</span><span class="ls16 ws16"> <span class="_ _4"> </span>. . . . . . . . . . . . . . . . . . <span class="ls1 ws1e">. . . . . . . . . . . . . . . . . . 67</span></span></div><div class="t m0 x11 h7 y44 ff1 fs4 fc0 sc0 ls10 ws0">3.6.2<span class="_ _e"> </span><span class="ff2 ls32">用户选项字节编程</span><span class="ls16"> <span class="_ _d"> </span> . . . . . . . . . . . . . . . . . . . . <span class="ws13">. . . . . . . . . . . . . . . . . . . . . 69</span></span></div><div class="t m0 x11 h7 y45 ff1 fs4 fc0 sc0 ls10 ws0">3.6.3<span class="_ _e"> </span><span class="ff2 ls17">读保护</span><span class="lsd ws16"> (RDP) <span class="_ _d"> </span>. . . . . . . . . . . . . . . . . . . . . <span class="ls16 ws13">. . . . . . . . . . . . . . . . . . . . . . . . 70</span></span></div><div class="t m0 x11 h7 y46 ff1 fs4 fc0 sc0 ls10 ws0">3.6.4<span class="_ _e"> </span><span class="ff2 ls17">写保护</span><span class="ls16 ws16"> <span class="_ _d"> </span> . . . . . . . . . . . . . . . . . . . . . . . . . <span class="lsd">. . . . . . . . . . . . . . . . . . . . . . . . . 72</span></span></div><div class="t m0 x6 h11 y47 ff1 fsc fc0 sc0 ls21 ws0">3.7<span class="_ _e"> </span><span class="ff2 ls33">一次性可编程字节</span><span class="ls23 wse"> <span class="_"> </span> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _f"> </span>72</span></div><div class="t m0 x6 h11 y48 ff1 fsc fc0 sc0 ls21 ws0">3.8<span class="_ _e"> </span>Flash <span class="ff2 ls27">接口寄存器</span><span class="ls23 wse"> <span class="_"> </span>. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _f"> </span>73</span></div><div class="t m0 x11 h7 y49 ff1 fs4 fc0 sc0 ls10 ws0">3.8.1<span class="_ _e"> </span>Flash <span class="ff2 ls13">访问控制寄存器</span><span class="lse ws1f"> (FLASH_ACR) <span class="_ _4"> </span>. . . . . . . . . . <span class="ls1 ws1b">. . . . . . . . . . . . . . . . 73</span></span></div><div class="t m0 x11 h7 y4a ff1 fs4 fc0 sc0 lsd ws0">3.8.2<span class="_ _e"> </span>Flash <span class="ff2 ls19">密钥寄存器</span><span class="ws14"> (FLASH_KEYR) <span class="_ _4"> </span> . . . . . . . . . . . <span class="ls1b ws17">. . . . . . . . . . . . . . . . . 74</span></span></div><div class="t m0 x11 h7 y4b ff1 fs4 fc0 sc0 lsd ws0">3.8.3<span class="_ _e"> </span>Flash <span class="ff2 ls13">选项密钥寄存器</span><span class="ls34 ws20"> (FLASH_OPTKEYR) <span class="_ _2"></span> . . . . . . . <span class="ls2e ws21">. . . . . . . . . . . . . . 74</span></span></div><div class="t m0 x11 h7 y4c ff1 fs4 fc0 sc0 lsd ws0">3.8.4<span class="_ _e"> </span>Flash <span class="ff2 ls19">状态寄存器</span><span class="ws19"> (FLASH_SR) <span class="_ _11"> </span>. . . . . . . . . . . . . <span class="ls1 ws1e">. . . . . . . . . . . . . . . . . . 75</span></span></div><div class="t m0 x11 h7 y4d ff1 fs4 fc0 sc0 ls10 ws0">3.8.5<span class="_ _e"> </span><span class="ff2 ls2b">用于</span><span class="ls1b wsd"> STM32F405xx/07xx </span><span class="ff2 ls1">和</span><span class="ls1b wsd"> STM32F415xx/17xx </span><span class="ff2 ls1">的<span class="ff1"> <span class="ff6"></span></span></span></div><div class="t m0 x14 h7 y4e ff1 fs4 fc0 sc0 lsd ws0">Flash <span class="ff2 ls19">控制寄存器</span><span class="ws19"> (FLASH_CR) <span class="_ _5"></span>. . . . . . . . . . . . . <span class="ls1 ws1e">. . . . . . . . . . . . . . . . . . 76</span></span></div><div class="t m0 x11 h7 y4f ff1 fs4 fc0 sc0 ls10 ws0">3.8.6<span class="_ _e"> </span><span class="ff2 ls2b">用于</span><span class="ls16 ws9"> STM32F42xxx </span><span class="ff2 ls1">和</span><span class="ws21"> STM32F43xxx<span class="_ _5"></span></span><span class="ff2 ls1">的<span class="ff1"> <span class="ff6"></span></span></span></div><div class="t m0 x14 h7 y50 ff1 fs4 fc0 sc0 lsd ws0">Flash <span class="ff2 ls19">控制寄存器</span><span class="ws19"> (FLASH_CR) <span class="_ _5"></span>. . . . . . . . . . . . . <span class="ls1 ws1e">. . . . . . . . . . . . . . . . . . 77</span></span></div><div class="t m0 x11 h7 y51 ff1 fs4 fc0 sc0 lsd ws0">3.8.7<span class="_ _e"> </span>Flash <span class="ff2 ls13">选项控制寄存器</span><span class="lse ws22"> (FLASH_OPTCR) <span class="_ _4"> </span>. . . . . . . . <span class="ls1 ws1b">. . . . . . . . . . . . . . . 79</span></span></div><div class="t m0 x11 h7 y52 ff1 fs4 fc0 sc0 ls10 ws0">3.8.8<span class="_ _e"> </span><span class="ff2 ls2b">用于</span><span class="ls16 ws9"> STM32F42xxx </span><span class="ff2 ls1">和</span><span class="ls1b wsd"> STM32F43xxx </span><span class="ff2 ls1">的<span class="ff1"> <span class="ff6"></span></span></span></div><div class="t m0 x14 h7 y53 ff1 fs4 fc0 sc0 lsd ws0">Flash <span class="ff2 ls13">选项控制寄存器</span><span class="lse ws1f"> (FLASH_OPTCR1) <span class="_ _4"> </span> . . . . . . . <span class="ls1 ws21">. . . . . . . . . . . . . . . 80</span></span></div><div class="t m0 x11 h7 y54 ff1 fs4 fc0 sc0 lsd ws0">3.8.9<span class="_ _e"> </span>Flash <span class="ff2 ls13">接口寄存器映射</span><span class="ws19"> <span class="_ _5"></span> . . . . . . . . . . . . . . . . . . . <span class="ls1b ws1a">. . . . . . . . . . . . . . . . . . . 81</span></span></div><div class="t m0 x1 h10 y55 ff3 fsb fc0 sc0 ls35 ws0">4<span class="_ _c"> </span>CRC <span class="ff2 sc1 ls1">计算单元</span><span class="ls20 ws1d"> <span class="_ _4"> </span>. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _5"></span>83</span></div><div class="t m0 x6 h11 y56 ff1 fsc fc0 sc0 ls36 ws0">4.1<span class="_ _e"> </span>CRC <span class="ff2 ls24">简介</span><span class="ls25 ws23"> <span class="_ _f"> </span>. . . . . . . . . . . . . . . . . . . . . . . . . <span class="ls29 ws11">. . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _f"> </span>83</span></span></div><div class="t m0 x6 h11 y57 ff1 fsc fc0 sc0 ls36 ws0">4.2<span class="_ _e"> </span>CRC <span class="ff2 ls22">主要特性</span><span class="ls25 ws23"> <span class="_ _11"> </span> . . . . . . . . . . . . . . . . . . . . . . <span class="ls29 ws12">. . . . . . . . . . . . . . . . . . . . . . . <span class="_ _10"> </span>83</span></span></div><div class="t m0 x6 h11 y58 ff1 fsc fc0 sc0 ls36 ws0">4.3<span class="_ _e"> </span>CRC <span class="ff2 ls22">功能说明</span><span class="ls25 ws23"> <span class="_ _11"> </span> . . . . . . . . . . . . . . . . . . . . . . <span class="ls29 ws12">. . . . . . . . . . . . . . . . . . . . . . . <span class="_ _10"> </span>83</span></span></div><div class="t m0 x6 h11 y59 ff1 fsc fc0 sc0 ls36 ws0">4.4<span class="_ _e"> </span>CRC <span class="ff2 ls24">寄存器</span><span class="ls25 ws24"> <span class="_ _2"></span> . . . . . . . . . . . . . . . . . . . . . . . <span class="ls29 ws11">. . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _10"> </span>84</span></span></div><div class="t m0 x11 h7 y5a ff1 fs4 fc0 sc0 ls10 ws0">4.4.1<span class="_ _e"> </span><span class="ff2 ls17">数据寄存器</span><span class="ls1b ws18"> (CRC_DR) <span class="_"> </span> . . . . . . . . . . . . . . . . <span class="ls16 ws13">. . . . . . . . . . . . . . . . . . . . . 84</span></span></div><div class="t m0 x11 h7 y5b ff1 fs4 fc0 sc0 ls10 ws0">4.4.2<span class="_ _e"> </span><span class="ff2 lsf">独立数据寄存器</span><span class="lsd ws19"> (CRC_IDR) <span class="_ _4"> </span> . . . . . . . . . . . . . . <span class="ls1b ws17">. . . . . . . . . . . . . . . . . . . 84</span></span></div><div class="t m0 x11 h7 y5c ff1 fs4 fc0 sc0 ls10 ws0">4.4.3<span class="_ _e"> </span><span class="ff2 ls17">控制寄存器</span><span class="ls1b ws18"> (CRC_CR) <span class="_"> </span> . . . . . . . . . . . . . . . . <span class="ls16 ws13">. . . . . . . . . . . . . . . . . . . . . 85</span></span></div><div class="t m0 x11 h7 y5d ff1 fs4 fc0 sc0 lsd ws0">4.4.4<span class="_ _e"> </span>CRC <span class="ff2 ls19">寄存器映射</span><span class="ws19"> <span class="_ _d"> </span> . . . . . . . . . . . . . . . . . . . . . <span class="ls16 ws13">. . . . . . . . . . . . . . . . . . . . . 85</span></span></div><div class="t m0 x1 h10 y5e ff3 fsb fc0 sc0 ls1 ws0">5<span class="_ _c"> </span><span class="ff2 sc1">电源控制器</span> (PWR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _5"></span>86</div><div class="t m0 x6 h11 y5f ff1 fsc fc0 sc0 ls21 ws0">5.1<span class="_ _e"> </span><span class="ff2 ls24">电源</span><span class="ls23 wse"> <span class="_ _11"> </span> . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="ws0">. . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _10"> </span>86</span></span></div><div class="t m0 x11 h7 y60 ff1 fs4 fc0 sc0 ls10 ws0">5.1.1<span class="_ _e"> </span><span class="ff2 ls2b">独立</span><span class="lse ws7"> A/D </span><span class="ff2 ls13">转换器电源和参考电压</span><span class="ws14"> <span class="_ _2"></span> . . . . . . . . . . . . . . . <span class="ls1 ws21">. . . . . . . . . . . . . . . 87</span></span></div><div class="t m0 x11 h7 y61 ff1 fs4 fc0 sc0 ls10 ws0">5.1.2<span class="_ _e"> </span><span class="ff2 ls17">电池备份域</span><span class="lsd ws19"> <span class="_ _5"></span>. . . . . . . . . . . . . . . . . . . . . . . . <span class="ls16 ws15">. . . . . . . . . . . . . . . . . . . . . . . 87</span></span></div><div class="t m0 x11 h7 y62 ff1 fs4 fc0 sc0 ls10 ws0">5.1.3<span class="_ _e"> </span><span class="ff2 ls17">调压器</span><span class="ls16 ws16"> <span class="_ _d"> </span> . . . . . . . . . . . . . . . . . . . . . . . . . <span class="lsd">. . . . . . . . . . . . . . . . . . . . . . . . . 89</span></span></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d 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<div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6251f8f06caf5961925218f4/bg4.jpg"><div class="t m0 x1 h8 y1d ff2 fs4 fc0 sc1 ls1 ws0">目录<span class="_ _b"> </span><span class="ff3 sc0 lsd">RM0090</span></div><div class="t m0 x1 h2 y1e ff1 fs0 fc0 sc0 ls1f ws0">4/1284<span class="_ _1"> </span><span class="ff2 ls1">文档</span><span class="ls3 ws1"> ID 018909 </span><span class="ff2 ls1">第</span><span class="ls4 ws2"> 4 </span><span class="ff2 ls1">版</span></div><div class="t m0 x6 h11 y63 ff1 fsc fc0 sc0 ls21 ws0">5.2<span class="_ _e"> </span><span class="ff2 ls27">电源监控器</span><span class="ls28 ws10"> <span class="_ _f"> </span>. . . . . . . . . . . . . . . . . . . . . . . . <span class="ls29 ws11">. . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _f"> </span>90</span></span></div><div class="t m0 x11 h7 y64 ff1 fs4 fc0 sc0 ls10 ws0">5.2.1<span class="_ _e"> </span><span class="ff2 ls14">上电复位</span><span class="ls1b ws25"> (POR)/<span class="_ _5"></span></span><span class="ff2 ls14">掉电复位</span><span class="ws1f"> (PDR) <span class="_"> </span> . . . . . . . . . . . . . <span class="ls1b ws17">. . . . . . . . . . . . . . . . 90</span></span></div><div class="t m0 x11 h7 y65 ff1 fs4 fc0 sc0 ls10 ws0">5.2.2<span class="_ _e"> </span><span class="ff2 ls14">欠压复位</span><span class="ls16"> (BOR) <span class="_ _4"> </span>. . . . . . . . . . . . . . . . . . . . <span class="ws15">. . . . . . . . . . . . . . . . . . . . . . . 90</span></span></div><div class="t m0 x11 h7 y66 ff1 fs4 fc0 sc0 ls10 ws0">5.2.3<span class="_ _e"> </span><span class="ff2 ls32">可编程电压检测器</span><span class="ls16 ws13"> (PVD) <span class="_ _4"> </span>. . . . . . . . . . . . . . . . . <span class="ls1b ws1a">. . . . . . . . . . . . . . . . . . . 91</span></span></div><div class="t m0 x6 h11 y67 ff1 fsc fc0 sc0 ls21 ws0">5.3<span class="_ _e"> </span><span class="ff2 ls27">低功耗模式</span><span class="ls28 ws10"> <span class="_ _f"> </span>. . . . . . . . . . . . . . . . . . . . . . . . <span class="ls29 ws11">. . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _f"> </span>92</span></span></div><div class="t m0 x11 h7 y68 ff1 fs4 fc0 sc0 ls10 ws0">5.3.1<span class="_ _e"> </span><span class="ff2 ls32">降低系统时钟速度</span><span class="ls16"> <span class="_ _d"> </span> . . . . . . . . . . . . . . . . . . . . <span class="ws13">. . . . . . . . . . . . . . . . . . . . . 93</span></span></div><div class="t m0 x11 h7 y69 ff1 fs4 fc0 sc0 ls10 ws0">5.3.2<span class="_ _e"> </span><span class="ff2 ls13">外设时钟门控</span><span class="ws1f"> <span class="_ _4"> </span>. . . . . . . . . . . . . . . . . . . . . . . <span class="ls1b ws15">. . . . . . . . . . . . . . . . . . . . . . 93</span></span></div><div class="t m0 x11 h7 y6a ff1 fs4 fc0 sc0 ls10 ws0">5.3.3<span class="_ _e"> </span><span class="ff2 ls14">睡眠模式</span><span class="ls16 ws18"> <span class="_"> </span> . . . . . . . . . . . . . . . . . . . . . . . . <span class="ws13">. . . . . . . . . . . . . . . . . . . . . . . . 94</span></span></div><div class="t m0 x11 h7 y6b ff1 fs4 fc0 sc0 ls10 ws0">5.3.4<span class="_ _e"> </span><span class="ff2 ls14">停止模式</span><span class="ls16 ws18"> <span class="_"> </span> . . . . . . . . . . . . . . . . . . . . . . . . <span class="ws13">. . . . . . . . . . . . . . . . . . . . . . . . 95</span></span></div><div class="t m0 x11 h7 y6c ff1 fs4 fc0 sc0 ls10 ws0">5.3.5<span class="_ _e"> </span><span class="ff2 ls14">待机模式</span><span class="ls16 ws18"> <span class="_"> </span> . . . . . . . . . . . . . . . . . . . . . . . . <span class="ws13">. . . . . . . . . . . . . . . . . . . . . . . . 96</span></span></div><div class="t m0 x11 h7 y6d ff1 fs4 fc0 sc0 ls10 ws0">5.3.6<span class="_ _e"> </span><span class="ff2 ls1">对</span><span class="ls37 ws26"> RT<span class="_ _2"></span>C <span class="_ _2"></span></span><span class="ff2 lsf">复用功能进行编程以从停止模式和待机模式唤醒器件</span><span class="ls16 ws1b"> <span class="_ _11"> </span>. . . . . . . . 98</span></div><div class="t m0 x6 h11 y6e ff1 fsc fc0 sc0 ls21 ws0">5.4<span class="_ _e"> </span><span class="ff2 ls22">电源控制寄存器</span><span class="ls23 wsf"> <span class="_ _11"> </span> . . . . . . . . . . . . . . . . . . . . . . <span class="ws12">. . . . . . . . . . . . . . . . . . . . . <span class="_ _10"> </span>100</span></span></div><div class="t m0 x11 h7 y6f ff1 fs4 fc0 sc0 ls10 ws0">5.4.1<span class="_ _e"> </span><span class="ff2 ls2b">用于</span><span class="ls1b wsd"> STM32F405xx/07xx </span><span class="ff2 ls1">和</span><span class="ls1b wsd"> STM32F415xx/17xx </span><span class="ff2 ls1">的<span class="ff1"> <span class="ff6"></span></span></span></div><div class="t m0 x14 h7 y70 ff1 fs4 fc0 sc0 ls32 ws0">PWR <span class="ff2 lsf">电源控制寄存器</span><span class="ls10 ws22"> (PWR_CR) <span class="_ _4"> </span>. . . . . . . . . . . . <span class="ls1b ws17">. . . . . . . . . . . . . . . . 100</span></span></div><div class="t m0 x11 h7 y71 ff1 fs4 fc0 sc0 ls10 ws0">5.4.2<span class="_ _e"> </span><span class="ff2 ls2b">用于<span class="_ _5"></span></span>STM32F42xxx <span class="ff2 ls1">和</span><span class="ls16 ws27"> STM32F43xxx </span><span class="ff2 ls1">的<span class="ff1"> <span class="ff6"></span></span></span></div><div class="t m0 x14 h7 y72 ff1 fs4 fc0 sc0 ls32 ws0">PWR <span class="ff2 lsf">电源控制寄存器</span><span class="ls10 ws22"> (PWR_CR) <span class="_ _4"> </span>. . . . . . . . . . . . <span class="ls1b ws17">. . . . . . . . . . . . . . . . 101</span></span></div><div class="t m0 x11 h7 y73 ff1 fs4 fc0 sc0 ls10 ws0">5.4.3<span class="_ _e"> </span>PWR <span class="ff2 ls14">电源控制<span class="_ _5"></span></span><span class="ls1">/<span class="_ _5"></span><span class="ff2 ls19">状态寄存器</span><span class="ls16 ws18"> (PWR_CSR) <span class="_ _d"></span>. . . . . . . . . . . . . . . . . . . . . . 103</span></span></div><div class="t m0 x6 h11 y74 ff1 fsc fc0 sc0 ls1 ws0">5.5<span class="_ _e"> </span>PWR <span class="ff2 ls27">寄存器映射</span><span class="ls25 ws23"> <span class="_ _5"></span> . . . . . . . . . . . . . . . . . . . . . <span class="ls26 ws12">. . . . . . . . . . . . . . . . . . . . . <span class="_ _10"> </span>104</span></span></div><div class="t m0 x1 h10 y75 ff3 fsb fc0 sc0 ls1 ws0">6<span class="_ _c"> </span><span class="ff2 sc1">复位和时钟控制</span> (RCC) <span class="_ _d"> </span> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _d"></span>105</div><div class="t m0 x6 h11 y76 ff1 fsc fc0 sc0 ls21 ws0">6.1<span class="_ _e"> </span><span class="ff2 ls24">复位</span><span class="ls23 wse"> <span class="_ _11"> </span> . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="ws12">. . . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _10"> </span>105</span></span></div><div class="t m0 x11 h7 y77 ff1 fs4 fc0 sc0 ls10 ws0">6.1.1<span class="_ _e"> </span><span class="ff2 ls14">系统复位</span><span class="ls16 ws18"> <span class="_"> </span> . . . . . . . . . . . . . . . . . . . . . . . . <span class="lse ws28">. . . . . . . . . . . . . <span class="_ _3"></span><span class="ls1 ws29">. . . . . . . . . . 105</span></span></span></div><div class="t m0 x11 h7 y78 ff1 fs4 fc0 sc0 ls10 ws0">6.1.2<span class="_ _e"> </span><span class="ff2 ls14">电源复位</span><span class="ls16 ws18"> <span class="_"> </span> . . . . . . . . . . . . . . . . . . . . . . . . <span class="lse ws28">. . . . . . . . . . . . . <span class="_ _3"></span><span class="ls1 ws29">. . . . . . . . . . 105</span></span></span></div><div class="t m0 x11 h7 y79 ff1 fs4 fc0 sc0 ls10 ws0">6.1.3<span class="_ _e"> </span><span class="ff2 ls17">备份域复位</span><span class="lsd ws19"> <span class="_ _5"></span>. . . . . . . . . . . . . . . . . . . . . . . . <span class="ls16 ws13">. . . . . . . . . . . . . . . . . . . . . . 106</span></span></div><div class="t m0 x6 h11 y7a ff1 fsc fc0 sc0 ls21 ws0">6.2<span class="_ _e"> </span><span class="ff2 ls24">时钟</span><span class="ls23 wse"> <span class="_ _11"> </span> . . . . . . . . . . . . . . . . . . . . . . . . . . <span class="ws12">. . . . . . . . . . . . . . . . . . . . . . . . . . <span class="_ _10"> </span>106</span></span></div><div class="t m0 x11 h7 y7b ff1 fs4 fc0 sc0 ls1b ws0">6.2.1<span class="_ _e"> </span>HSE <span class="ff2 ls1">时钟</span><span class="ls16 ws16"> <span class="_ _4"> </span>. . . . . . . . . . . . . . . . . . . . . . . . <span class="lse ws28">. . . . . . . . . . . . . <span class="ls1 ws29">. . . . . . . . . . 108</span></span></span></div><div class="t m0 x11 h7 y7c ff1 fs4 fc0 sc0 lse ws0">6.2.2<span class="_ _e"> </span>HSI <span class="ff2 ls2b">时钟</span><span class="ls16 ws18"> <span class="_ _2"></span>. . . . . . . . . . . . . . . . . . . . . . . . . </span><span class="ws28">. . . . . . . . . . . . . <span class="ls1 ws29">. . . . . . . . . . 109</span></span></div><div class="t m0 x11 h7 y7d ff1 fs4 fc0 sc0 ls1 ws0">6.2.3<span class="_ _e"> </span>PLL <span class="ff2">配置</span><span class="ls16 ws18"> <span class="_ _4"> </span> . . . . . . . . . . . . . . . . . . . . . . . . <span class="lse ws28">. . . . . . . . . . . . . </span></span><span class="ws29">. . . . . . . . . . 110</span></div><div class="t m0 x11 h7 y7e ff1 fs4 fc0 sc0 ls1b ws0">6.2.4<span class="_ _e"> </span>LSE <span class="ff2 ls1">时钟</span><span class="ls16 ws18"> <span class="_ _5"></span> . . . . . . . . . . . . . . . . . . . . . . . . <span class="lse ws28">. . . . . . . . . . . . . <span class="ls1 ws29">. . . . . . . . . . 110</span></span></span></div><div class="t m0 x11 h7 y7f ff1 fs4 fc0 sc0 ls2e ws0">6.2.5<span class="_ _e"> </span>LSI <span class="ff2 ls1">时钟</span><span class="ls16 ws18"> <span class="_ _4"> </span>. . . . . . . . . . . . . . . . . . . . . . . . . <span class="lse ws28">. . . . . . . . . . . . . <span class="ls1 ws29">. . . . . . . . . . 111</span></span></span></div><div class="t m0 x11 h7 y80 ff1 fs4 fc0 sc0 ls10 ws0">6.2.6<span class="_ _e"> </span><span class="ff2 ls14">系统时钟</span><span class="ls16 ws27"> (SYSCLK) </span><span class="ff2 ls1">选择</span><span class="ls16 ws16"> <span class="_ _2"></span>. . . . . . . . . . . . . . . . . . <span class="ls1 ws1a">. . . . . . . . . . . . . . . . . 111</span></span></div><div class="t m0 x11 h7 y81 ff1 fs4 fc0 sc0 ls10 ws0">6.2.7<span class="_ _e"> </span><span class="ff2 ls13">时钟安全系统</span><span class="ls16 ws18"> (CSS) <span class="_"> </span> . . . . . . . . . . . . . . . . . . <span class="ws13">. . . . . . . . . . . . . . . . . . . . 111</span></span></div><div class="t m0 x11 h7 y82 ff1 fs4 fc0 sc0 ls19 ws0">6.2.8<span class="_ _e"> </span>RTC/A<span class="_ _7"></span>WU <span class="ff2 ls1">时钟</span><span class="lsd ws19"> <span class="_ _11"> </span> . . . . . . . . . . . . . . . . . . . . . <span class="ls16 ws13">. . . . . . . . . . . . . . . . . . . . . 111</span></span></div><div class="t m0 x11 h7 y83 ff1 fs4 fc0 sc0 ls10 ws0">6.2.9<span class="_ _e"> </span><span class="ff2 ls17">看门狗时钟</span><span class="lsd ws19"> <span class="_ _5"></span>. . . . . . . . . . . . . . . . . . . . . . . . <span class="ls16 ws13">. . . . . . . . . . . . . . . . . . . . . . 112</span></span></div><div class="t m0 x11 h7 y84 ff1 fs4 fc0 sc0 ls1b ws0">6.2.10<span class="_ _12"> </span><span class="ff2 ls13">时钟输出功能</span><span class="ls10 ws1f"> <span class="_ _4"> </span>. . . . . . . . . . . . . . . . . . . . . . . <span class="ls16 ws13">. . . . . . . . . . . . . . . . . . . . . 112</span></span></div><div class="t m0 x11 h7 y85 ff1 fs4 fc0 sc0 ls1b ws0">6.2.11<span class="_ _12"> </span><span class="ff2 ls2b">基于</span><span class="wsd"> TIM5/TIM11 </span><span class="ff2 ls17">的内部<span class="_ _5"></span></span><span class="ls1">/<span class="_ _5"></span><span class="ff2 ls13">外部时钟测量</span><span class="lsd ws28"> <span class="_ _11"> </span> . . . . . . . . . . . . </span></span><span class="ws1e">. . . . . . . . . . . 113</span></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' 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m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div>
<div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6251f8f06caf5961925218f4/bg5.jpg"><div class="t m0 x12 h2 y1e ff2 fs0 fc0 sc0 ls1 ws0">文档<span class="ff1 ls3 ws1"> ID 018909 </span>第<span class="ff1 ls4 ws2"> 4 </span>版<span class="_ _1"> </span><span class="ff1 ls5">5/1284</span></div><div class="t m0 x1 h8 y1d ff3 fs4 fc0 sc0 lsd ws0">RM0090<span class="_ _b"> </span><span class="ff2 sc1 ls1">目录</span></div><div class="t m0 x13 h12 y1c ff1 fs9 fc2 sc0 ls31 ws0">32</div><div class="t m0 x6 h11 y63 ff1 fsc fc0 sc0 ls36 ws0">6.3<span class="_ _e"> </span>RCC <span class="ff2 ls24">寄存器</span><span class="ls25 ws24"> <span class="_ _2"></span> . . . . . . . . . . . . . . . . . . . . . . . <span class="ls26 ws11">. . . . . . . . . . . . . . . . . . . . . . . <span class="_ _10"> </span>114</span></span></div><div class="t m0 x11 h7 y64 ff1 fs4 fc0 sc0 lsd ws0">6.3.1<span class="_ _e"> </span>RCC <span class="ff2 ls13">时钟控制寄存器</span><span class="ws19"> (RCC_CR) <span class="_"> </span> . . . . . . . . . . . . <span class="ls1b ws13">. . . . . . . . . . . . . . . . 114</span></span></div><div class="t m0 x11 h7 y65 ff1 fs4 fc0 sc0 ls1b wsd">6.3.2<span class="_ _e"> </span>RCC PLL <span class="ff2 ls19 ws0">配置寄存器</span><span class="lse ws2a"> (RCC_PLLCFGR) <span class="_ _5"></span>. . . . . . . . . <span class="ls1 ws7">. . . . . . . . . . . . . . 116</span></span></div><div class="t m0 x11 h7 y66 ff1 fs4 fc0 sc0 lsd ws0">6.3.3<span class="_ _e"> </span>RCC <span class="ff2 ls13">时钟配置寄存器</span> (RCC_CFGR) <span class="_"> </span>. . . . . . . . . . . <span class="ls1b ws1e">. . . . . . . . . . . . . . . 118</span></div><div class="t m0 x11 h7 y86 ff1 fs4 fc0 sc0 lsd ws0">6.3.4<span class="_ _e"> </span>RCC <span class="ff2 ls13">时钟中断寄存器</span><span class="ws14"> (RCC_CIR) <span class="_"> </span>. . . . . . . . . . . . <span class="ls1b ws17">. . . . . . . . . . . . . . . . 120</span></span></div><div class="t m0 x11 h7 y87 ff1 fs4 fc0 sc0 lsd ws29">6.3.5<span class="_ _e"> </span>RCC AHB1 <span class="ff2 ls17 ws0">外设复位寄存器</span><span class="ls10 ws20"> (RCC_AHB1RSTR) <span class="_ _11"> </span> . . . . <span class="ls1 ws7">. . . . . . . . . . . . 123</span></span></div><div class="t m0 x11 h7 y88 ff1 fs4 fc0 sc0 lsd ws29">6.3.6<span class="_ _e"> </span>RCC AHB2 <span class="ff2 ls17 ws0">外设复位寄存器</span><span class="ls10 ws20"> (RCC_AHB2RSTR) <span class="_ _11"> </span> . . . . <span class="ls1 ws7">. . . . . . . . . . . . 125</span></span></div><div class="t m0 x11 h7 y89 ff1 fs4 fc0 sc0 lsd ws29">6.3.7<span class="_ _e"> </span>RCC AHB3 <span class="ff2 ls17 ws0">外设复位寄存器</span><span class="ls10 ws20"> (RCC_AHB3RSTR) <span class="_ _11"> </span> . . . . <span class="ls1 ws7">. . . . . . . . . . . . 125</span></span></div><div class="t m0 x11 h7 y8a ff1 fs4 fc0 sc0 ls10 ws0">6.3.8<span class="_ _e"> </span><span class="ff2 ls2b">用于</span><span class="ls1b wsd"> STM32F405xx/07xx </span><span class="ff2 ls1">和</span><span class="lsd ws29"> STM32F415xx/17xx<span class="_ _5"></span></span><span class="ff2 ls1">的 </span></div><div class="t m0 x14 h7 y8b ff1 fs4 fc0 sc0 ls16 ws9">RCC APB1 <span class="ff2 lsf ws0">外设复位寄存器</span><span class="ls10 ws20"> (RCC_APB1RSTR) <span class="_"> </span> . . . . <span class="ls1 ws7">. . . . . . . . . . . . 126</span></span></div><div class="t m0 x11 h7 y8c ff1 fs4 fc0 sc0 ls10 ws0">6.3.9<span class="_ _e"> </span><span class="ff2 ls2b">用于</span><span class="ls16 ws9"> STM32F42xxx </span><span class="ff2 ls1">和</span><span class="ls1b wsd"> STM32F43xxx </span><span class="ff2 ls1">的 </span></div><div class="t m0 x14 h7 y8d ff1 fs4 fc0 sc0 ls16 ws9">RCC APB1 <span class="ff2 lsf ws0">外设复位寄存器<span class="_ _5"></span></span><span class="ls1b ws17">(RCC_APB1RSTR) <span class="_ _11"> </span>. . . . . . . . . . . . . . . . . 129</span></div><div class="t m0 x11 h7 y8e ff1 fs4 fc0 sc0 ls1b ws0">6.3.10<span class="_ _12"> </span><span class="ff2 ls2b">用于</span><span class="wsd"> STM32F405xx/07xx </span><span class="ff2 ls1">和</span><span class="wsd"> STM32F415xx/17xx </span><span class="ff2 ls1">的<span class="ff1"> <span class="ff6"></span></span></span></div><div class="t m0 x14 h7 y8f ff1 fs4 fc0 sc0 ls16 ws9">RCC APB2 <span class="ff2 lsf ws0">外设复位寄存器</span><span class="ls10 ws20"> (RCC_APB2RSTR) <span class="_"> </span> . . . . <span class="ls1 ws7">. . . . . . . . . . . . 132</span></span></div><div class="t m0 x11 h7 y90 ff1 fs4 fc0 sc0 ls1b ws0">6.3.11<span class="_ _12"> </span><span class="ff2 ls2b">用于</span><span class="ls16 ws9"> STM32F42xxx </span><span class="ff2 ls1">和</span><span class="ls10 ws21"> STM32F43xxx<span class="_ _5"></span></span><span class="ff2 ls1">的<span class="ff1"> <span class="ff6"></span></span></span></div><div class="t m0 x14 h7 y91 ff1 fs4 fc0 sc0 ls16 ws9">RCC APB2 <span class="ff2 lsf ws0">外设复位寄存器<span class="_ _5"></span></span><span class="ls1b ws17">(RCC_APB2RSTR) <span class="_ _11"> </span>. . . . . . . . . . . . . . . . . 133</span></div><div class="t m0 x11 h7 y92 ff1 fs4 fc0 sc0 lsd ws29">6.3.12<span class="_ _12"> </span>RCC AHB1 <span class="ff2 ls13 ws0">外设时钟使能寄存器</span><span class="ls1 ws1b"> (RCC_AHB1ENR) <span class="_ _d"> </span>. . . . . . . . . . . . . . 135</span></div><div class="t m0 x11 h7 y93 ff1 fs4 fc0 sc0 lsd ws29">6.3.13<span class="_ _12"> </span>RCC AHB2 <span class="ff2 ls13 ws0">外设时钟使能寄存器</span><span class="ls1 ws1b"> (RCC_AHB2ENR) <span class="_ _d"> </span>. . . . . . . . . . . . . . 137</span></div><div class="t m0 x11 h7 y94 ff1 fs4 fc0 sc0 lsd ws29">6.3.14<span class="_ _12"> </span>RCC AHB3 <span class="ff2 ls13 ws0">外设时钟使能寄存器</span><span class="ls1 ws1b"> (RCC_AHB3ENR) <span class="_ _d"> </span>. . . . . . . . . . . . . . 138</span></div><div class="t m0 x11 h7 y95 ff1 fs4 fc0 sc0 ls1b ws0">6.3.15<span class="_ _12"> </span><span class="ff2 ls2b">用于</span><span class="wsd"> STM32F405xx/07xx </span><span class="ff2 ls1">和</span><span class="wsd"> STM32F415xx/17xx </span><span class="ff2 ls1">的<span class="ff1"> <span class="ff6"></span></span></span></div><div class="t m0 x14 h7 y96 ff1 fs4 fc0 sc0 ls16 ws9">RCC APB1 <span class="ff2 ls13 ws0">外设时钟使能寄存器</span><span class="ls1b ws7"> (RCC_APB1ENR) <span class="_"> </span>. . . . . . . . . . . . . . 139</span></div><div class="t m0 x11 h7 y97 ff1 fs4 fc0 sc0 ls1b ws0">6.3.16<span class="_ _12"> </span><span class="ff2 ls2b">用于</span><span class="ls16 ws9"> STM32F42xxx </span><span class="ff2 ls1">和</span><span class="wsd"> STM32F43xxx </span><span class="ff2 ls1">的<span class="ff1"> <span class="ff6"></span></span></span></div><div class="t m0 x14 h7 y98 ff1 fs4 fc0 sc0 ls16 ws9">RCC APB1 <span class="ff2 ls13 ws0">外设时钟使能寄存器</span><span class="ls1b ws7"> (RCC_APB1ENR) <span class="_"> </span>. . . . . . . . . . . . . . 141</span></div><div class="t m0 x11 h7 y99 ff1 fs4 fc0 sc0 ls1b ws0">6.3.17<span class="_ _12"> </span><span class="ff2 ls2b">用于</span><span class="wsd"> STM32F405xx/07xx </span><span class="ff2 ls1">和</span><span class="wsd"> STM32F415xx/17xx </span><span class="ff2 ls1">的<span class="ff1"> <span class="ff6"></span></span></span></div><div class="t m0 x14 h7 y9a ff1 fs4 fc0 sc0 ls16 ws9">RCC APB2 <span class="ff2 ls13 ws0">外设时钟使能寄存器</span><span class="ls1b ws7"> (RCC_APB2ENR) </span></div><div class="t m0 x15 h7 y9b ff1 fs4 fc0 sc0 ls1b ws7">. . . . . . . . . . . . . . 144</div><div class="t m0 x11 h7 y9c ff1 fs4 fc0 sc0 ls1b ws0">6.3.18<span class="_ _12"> </span><span class="ff2 ls2b">用于</span><span class="ls16 ws9"> STM32F42xxx </span><span class="ff2 ls1">和</span><span class="ls10 ws21"> STM32F43xxx<span class="_ _5"></span></span><span class="ff2 ls1">的<span class="ff1"> <span class="ff6"></span></span></span></div><div class="t m0 x14 h7 y9d ff1 fs4 fc0 sc0 ls16 ws9">RCC APB2 <span class="ff2 ls13 ws0">外设时钟使能寄存器</span><span class="ls1b ws7"> (RCC_APB2ENR) <span class="_"> </span>. . . . . . . . . . . . . . 146</span></div><div class="t m0 x11 h7 y9e ff1 fs4 fc0 sc0 ls1b ws0">6.3.19<span class="_ _12"> </span><span class="ff2 ls2b">用于</span><span class="wsd"> STM32F405xx/07xx </span><span class="ff2 ls1">和</span><span class="lsd ws29"> STM32F415xx/17xx<span class="_ _5"></span></span><span class="ff2 ls13">的低功耗模式 </span></div><div class="t m0 x14 h7 y9f ff2 fs4 fc0 sc0 ls17 ws0">寄存器中的<span class="ff1 ls2e ws2b"> RCC AHB1 </span><span class="ls38">外设时钟使能<span class="ff1 ls16 ws18"> (RCC_AHB1LPENR) <span class="_"> </span> . . . . . . . 148</span></span></div><div class="t m0 x11 h7 ya0 ff1 fs4 fc0 sc0 ls1b ws0">6.3.20<span class="_ _12"> </span><span class="ff2 ls2b">用于</span><span class="ls16 ws9"> STM32F42xxx </span><span class="ff2 ls1">和</span><span class="ls10 ws21"> STM32F43xxx<span class="_ _5"></span></span><span class="ff2 ls14">的低功耗模式寄存器中的</span><span class="ls1"> <span class="ff6"></span></span></div><div class="t m0 x14 h7 ya1 ff1 fs4 fc0 sc0 lse ws7">RCC AHB1 <span class="ff2 ls13 ws0">外设时钟使能</span><span class="lsd ws19"> (RCC_AHB1LPENR) <span class="_"> </span>. . . . . </span><span class="ls1">. . . . . . . . . . . . 151</span></div><div class="t m0 x11 h7 ya2 ff1 fs4 fc0 sc0 ls1b ws0">6.3.21<span class="_ _12"> </span><span class="ff2 ls13">用于低功耗模式寄存器中的</span><span class="lsf ws2c"> RCC AHB2 <span class="ff2 ws0">外设时钟使能 </span></span></div><div class="t m0 x14 h7 ya3 ff1 fs4 fc0 sc0 ls1b ws13">(RCC_AHB2LPENR) <span class="_ _4"> </span>. . . . . . . . . . . . . . . . <span class="ls16">. . . . . . . . . . . . . . . . . . . . . . 154</span></div><div class="t m0 x11 h7 ya4 ff1 fs4 fc0 sc0 ls1b ws0">6.3.22<span class="_ _12"> </span><span class="ff2 ls32">低功耗模式寄存器中的</span><span class="ls16 ws1f"> RCC AHB3 </span><span class="ff2 lse">外设时钟使能</span><span class="ls1"> <span class="ff6"></span></span></div><div class="t m0 x14 h7 ya5 ff1 fs4 fc0 sc0 ls1b ws13">(RCC_AHB3LPENR) <span class="_ _4"> </span>. . . . . . . . . . . . . . . . <span class="ls16">. . . . . . . . . . . . . . . . . . . . . . 155</span></div><div class="t m0 x11 h7 ya6 ff1 fs4 fc0 sc0 ls1b ws0">6.3.23<span class="_ _12"> </span><span class="ff2 ls2b">用于</span><span class="wsd"> STM32F405xx/07xx </span><span class="ff2 ls1">和</span><span class="lsd ws29"> STM32F415xx/17xx<span class="_ _5"></span></span><span class="ff2 ls13">的低功耗模式 </span></div><div class="t m0 x14 h7 ya7 ff2 fs4 fc0 sc0 ls17 ws0">寄存器中的<span class="ff1 ls1 wsb"> RCC APB1 </span><span class="lse">外设时钟使能<span class="ff1 ls1b ws1a"> (RCC_APB1LPENR) <span class="_ _5"></span>. . . . . . . . 155</span></span></div><div class="t m0 x11 h7 ya8 ff1 fs4 fc0 sc0 ls1b ws0">6.3.24<span class="_ _12"> </span><span class="ff2 ls2b">用于</span><span class="ls16 ws9"> STM32F42xxx </span><span class="ff2 ls1">和</span><span class="wsd"> STM32F43xxx </span><span class="ff2 ls38">的低功耗模式寄存器中的</span><span class="ls1"> <span class="ff6"></span></span></div><div class="t m0 x14 h7 ya9 ff1 fs4 fc0 sc0 ls16 ws9">RCC APB1 <span class="ff2 ls13 ws0">外设时钟使能</span><span class="lsd ws16"> (RCC_APB1LPENR) <span class="_ _5"></span> . . . . . <span class="ls1 ws7">. . . . . . . . . . . . 158</span></span></div><div class="t m0 x11 h7 yaa ff1 fs4 fc0 sc0 ls1b ws0">6.3.25<span class="_ _12"> </span><span class="ff2 ls2b">用于</span><span class="wsd"> STM32F405xx/07xx </span><span class="ff2 ls1">和</span><span class="wsd"> STM32F415xx/17xx </span><span class="ff2 lsf">的低功耗模式 </span></div><div class="t m0 x14 h7 yab ff2 fs4 fc0 sc0 ls17 ws0">寄存器中的<span class="ff1 ls1 wsb"> RCC APB2 </span><span class="lse">外设时钟使能<span class="ff1 ls1b ws1a"> (RCC_APB2LPENR) <span class="_ _5"></span>. . . . . . . . 161</span></span></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m3"></div></a><a class="l" rel='nofollow' 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