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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/626450274c65f41259ca8bd8/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0"> BK1080<span class="fs1 ls1 ws1"> v2.<span class="_ _0"></span>0 </span></div><div class="t m0 x2 h3 y2 ff2 fs1 fc0 sc0 ls2 ws2">©<span class="ff1 ls3 ws3"> 2009 Beken Corpo<span class="_ _1"></span>ration <span class="_ _1"></span> Proprietary an<span class="_ _1"></span>d Confidential <span class="_ _2"> </span>Page 1 of 31<span class="_ _1"></span></span><span class="ls4"> </span></div><div class="t m0 x3 h4 y3 ff2 fs2 fc0 sc0 ls5 ws2">BK1080 </div><div class="t m0 x4 h4 y4 ff2 fs2 fc0 sc0 ls6 ws2">S<span class="_ _0"></span>pecifications </div><div class="t m0 x5 h5 y5 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x6 h6 y6 ff4 fs3 fc0 sc0 ls7 ws4">Beken Internal Data — Si<span class="_ _1"></span>gned NDA Required for Distribution</div><div class="t m0 x7 h7 y7 ff2 fs4 fc0 sc0 ls2 ws2"> </div><div class="t m0 x5 h5 y8 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x5 h5 y9 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x8 h8 ya ff4 fs5 fc0 sc0 ls8 ws5">FM Receiver IC </div><div class="t m0 x9 h5 yb ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x9 h5 yc ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x9 h5 yd ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x9 h5 ye ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x9 h5 yf ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x9 h5 y10 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x9 h5 y11 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x9 h5 y12 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x9 h5 y13 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x9 h5 y14 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x9 h5 y15 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x9 h5 y16 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x9 h5 y17 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x9 h5 y18 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x9 h5 y19 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 xa h5 y1a ff3 fs3 fc0 sc0 ls9 ws6">Beken Corporation </div><div class="t m0 xb h5 y1b ff3 fs3 fc0 sc0 lsa ws7">Suite 303<span class="_ _1"></span>-304, No.10<span class="_ _1"></span>, 198 Zhangh<span class="_ _1"></span>eng Road <span class="_ _1"></span>Zhangjiang High <span class="_ _1"></span>Tech Park, </div><div class="t m0 xc h5 y1c ff3 fs3 fc0 sc0 lsb ws8">Pudong New Distr<span class="_ _1"></span>ict, Shangh<span class="_ _1"></span>ai 201204, China </div><div class="t m0 xd h5 y1d ff3 fs3 fc0 sc0 lsc ws9">PHONE: (86)21 6160 9676/7/8 </div><div class="t m0 xe h5 y1e ff3 fs3 fc0 sc0 lsd wsa">FAX: (86)21 6160<span class="_ _1"></span> 9679 </div><div class="t m0 x9 h9 y1f ff5 fs6 fc0 sc0 ls2 ws2"> </div><div class="t m0 xf ha y20 ff6 fs7 fc0 sc0 lse wsb">This document contains information that may <span class="lsf wsc">be proprietary to, and/or secrets of, Beken Corpo<span class="_ _1"></span>ration. The contents of this </span></div><div class="t m0 x10 ha y21 ff6 fs7 fc0 sc0 ls10 wsd">document should not be disclosed outside th<span class="_ _1"></span>e co<span class="ls2 wse">mpa<span class="_ _1"></span>nies without specific written permission.</span></div><div class="t m0 x11 hb y22 ff6 fs6 fc0 sc0 ls2 ws2"> </div><div class="t m0 x12 hb y23 ff3 fs3 fc0 sc0 ls2 ws2"> <span class="ff6 fs7 wsf">Disclaimer: Descriptions of <span class="_ _1"></span>specific impl<span class="ls11 ws10">ementations are fo<span class="_ _1"></span>r illustrative purpose only</span>, actual hardwa<span class="_ _1"></span>re implementation may di<span class="_ _1"></span>ff<span class="ls12 ws11">er. </span><span class="fs6 ws2"> </span></span></div></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/626450274c65f41259ca8bd8/bg2.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0"> BK1080<span class="fs1 ls2 ws2"> <span class="_ _3"> </span><span class="ff3 ls13 ws12">FM Receiver </span></span></div><div class="t m0 x2 hc y24 ff1 fs1 fc0 sc0 ls3 ws3">© 2009 Beken Corpo<span class="_ _1"></span>ration <span class="_ _1"></span> Proprietary an<span class="_ _1"></span>d Confidential <span class="_ _2"> </span>Page 2 of 31 <span class="_ _4"> </span> </div><div class="t m0 x2 h5 y25 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x2 hd y26 ff6 fs5 fc0 sc0 ls14 ws2">Content </div><div class="t m0 x2 hd y27 ff6 fs5 fc0 sc0 ls2 ws2"> </div><div class="t m0 x2 h5 y28 ff3 fs3 fc0 sc0 ls2 ws2">1<span class="ff7 fs8"><span class="_ _5"> </span></span><span class="ls15 ws13">General Description <span class="_ _6"></span>..............<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>............ <span class="_ _7"></span>3<span class="ff7 fs8 ls2 ws2"></span></span></div><div class="t m0 x2 h5 y29 ff3 fs3 fc0 sc0 ls2 ws2">2<span class="ff7 fs8"><span class="_ _5"> </span></span><span class="ls16 ws14">Features .........<span class="_ _0"></span>..........<span class="_ _0"></span>..............<span class="_ _0"></span>..........<span class="_ _0"></span>..............<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span><span class="ls17 ws15">. 3<span class="ff7 fs8 ls2 ws2"></span></span></span></div><div class="t m0 x2 h5 y2a ff3 fs3 fc0 sc0 ls2 ws2">3<span class="ff7 fs8"><span class="_ _5"> </span></span><span class="ls17 ws16">Applications ..<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>. <span class="_ _8"></span>3<span class="ff7 fs8 ls2 ws2"></span></span></div><div class="t m0 x2 h5 y2b ff3 fs3 fc0 sc0 ls2 ws2">4<span class="ff7 fs8"><span class="_ _5"> </span></span><span class="ls17 ws17">Chip Block Diag<span class="_ _0"></span>ram <span class="_ _6"></span>..................<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>......... <span class="_ _7"></span>4<span class="ff7 fs8 ls2 ws2"></span></span></div><div class="t m0 x2 h5 y2c ff3 fs3 fc0 sc0 ls2 ws2">5<span class="ff7 fs8"><span class="_ _5"> </span></span><span class="ls17 ws17">Pin Assignme<span class="_ _0"></span>nt <span class="_ _6"></span>.....<span class="_ _0"></span>..........<span class="_ _0"></span>..............<span class="_ _0"></span>..........<span class="_ _0"></span>..............<span class="_ _0"></span>..........<span class="_ _0"></span>..............<span class="_ _0"></span>..........<span class="_ _0"></span>..............<span class="_ _0"></span>...... <span class="_ _7"></span>5<span class="ff7 fs8 ls2 ws2"></span></span></div><div class="t m0 x2 h5 y2d ff3 fs3 fc0 sc0 ls2 ws2">6<span class="ff7 fs8"><span class="_ _5"> </span></span><span class="ls18 ws18">Functional Description <span class="_ _9"></span>............<span class="_ _0"></span>..............<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>.............<span class="_ _0"></span>..............<span class="_ _0"></span>.... <span class="_ _7"></span>12<span class="ff7 fs8 ls2 ws2"></span></span></div><div class="t m0 x13 h5 y2e ff3 fs3 fc0 sc0 ls19 ws2">6.1<span class="_ _0"></span><span class="ff7 fs8 ls2"><span class="_ _a"> </span><span class="ff3 fs3 ls16 ws19">FM Receiver.......<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>..............<span class="_ _0"></span>..........<span class="_ _0"></span>.......... <span class="_ _7"></span>12<span class="ff7 fs8 ls2 ws2"></span></span></span></div><div class="t m0 x13 h5 y2f ff3 fs3 fc0 sc0 ls19 ws2">6.2<span class="_ _0"></span><span class="ff7 fs8 ls2"><span class="_ _a"> </span><span class="ff3 fs3 ls1a ws1a">Interface bus <span class="_ _9"></span>...............<span class="lsc ws2">.............................................................................<span class="ls1b ws1b">.......... 12</span><span class="ff7 fs8 ls2"></span></span></span></span></div><div class="t m0 x13 h5 y30 ff3 fs3 fc0 sc0 ls19 ws2">6.3<span class="_ _0"></span><span class="ff7 fs8 ls2"><span class="_ _a"> </span><span class="ff3 fs3 ls18 ws18">Stereo audio processing <span class="_ _7"></span>..........<span class="_ _0"></span>..............<span class="_ _0"></span>.............<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>.......... <span class="_ _7"></span>13<span class="ff7 fs8 ls2 ws2"></span></span></span></div><div class="t m0 x13 h5 y31 ff3 fs3 fc0 sc0 ls19 ws2">6.4<span class="_ _0"></span><span class="ff7 fs8 ls2"><span class="_ _a"> </span><span class="ff3 fs3 ls1c ws1c">Tuning S<span class="_ _0"></span>ystem <span class="_ _6"></span>..............<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>..........<span class="_ _0"></span>..............<span class="_ _0"></span>..........<span class="_ _0"></span>.. <span class="_ _7"></span>14<span class="ff7 fs8 ls2 ws2"></span></span></span></div><div class="t m0 x13 h5 y32 ff3 fs3 fc0 sc0 ls19 ws2">6.5<span class="_ _0"></span><span class="ff7 fs8 ls2"><span class="_ _a"> </span><span class="ff3 fs3 ls15 ws1d">Software T<span class="_ _0"></span>uning System <span class="_ _9"></span>.........<span class="_ _0"></span>..............<span class="_ _0"></span>..........<span class="_ _0"></span>..............<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>............ <span class="_ _7"></span>15<span class="ff7 fs8 ls2 ws2"></span></span></span></div><div class="t m0 x13 h5 y33 ff3 fs3 fc0 sc0 ls19 ws2">6.6<span class="_ _0"></span><span class="ff7 fs8 ls2"><span class="_ _a"> </span><span class="ff3 fs3 ls15 ws13">GPIO output <span class="_ _b"></span>............<span class="_ _0"></span>..............<span class="_ _0"></span>..........<span class="_ _0"></span>..............<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>.............<span class="_ _0"></span>.. <span class="_ _7"></span>15<span class="ff7 fs8 ls2 ws2"></span></span></span></div><div class="t m0 x13 h5 y34 ff3 fs3 fc0 sc0 ls19 ws2">6.7<span class="_ _0"></span><span class="ff7 fs8 ls2"><span class="_ _a"> </span><span class="ff3 fs3 ls16 ws1e">Reference cl<span class="_ _0"></span>ock <span class="_ _c"></span>.............<span class="_ _0"></span>..........<span class="_ _0"></span>..............<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>............ <span class="_ _7"></span>15<span class="ff7 fs8 ls2 ws2"></span></span></span></div><div class="t m0 x13 h5 y35 ff3 fs3 fc0 sc0 ls19 ws2">6.8<span class="_ _0"></span><span class="ff7 fs8 ls2"><span class="_ _a"> </span><span class="ff3 fs3 ls16 ws19">Initializatio<span class="_ _0"></span>n Sequence <span class="_ _9"></span>...............<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>..............<span class="_ _0"></span>..........<span class="_ _0"></span>.......... <span class="_ _7"></span>15<span class="ff7 fs8 ls2 ws2"></span></span></span></div><div class="t m0 x2 h5 y36 ff3 fs3 fc0 sc0 ls2 ws2">7<span class="ff7 fs8"><span class="_ _5"> </span></span><span class="ls15 ws1d">Design Specificati<span class="_ _0"></span>on <span class="_ _6"></span>.....<span class="_ _0"></span>..........<span class="_ _0"></span>..............<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>....... <span class="_ _7"></span>17<span class="ff7 fs8 ls2 ws2"></span></span></div><div class="t m0 x13 h5 y37 ff3 fs3 fc0 sc0 ls19 ws2">7.1<span class="_ _0"></span><span class="ff7 fs8 ls2"><span class="_ _a"> </span><span class="ff3 fs3 ls18 ws1f">Recommended Operating Condit<span class="_ _0"></span>ions <span class="_ _b"></span>...................<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>....... <span class="_ _7"></span>17<span class="ff7 fs8 ls2 ws2"></span></span></span></div><div class="t m0 x13 h5 y38 ff3 fs3 fc0 sc0 ls19 ws2">7.2<span class="_ _0"></span><span class="ff7 fs8 ls2"><span class="_ _a"> </span><span class="ff3 fs3 ls15 ws20">Power Consumptio<span class="_ _0"></span>n Specification <span class="_ _c"></span>................<span class="_ _0"></span>..........<span class="_ _0"></span>..............<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.... <span class="_ _0"></span>17<span class="ff7 fs8 ls2 ws2"></span></span></span></div><div class="t m0 x13 h5 y39 ff3 fs3 fc0 sc0 ls19 ws2">7.3<span class="_ _0"></span><span class="ff7 fs8 ls2"><span class="_ _a"> </span><span class="ff3 fs3 ls16 ws19">Receiver Charac<span class="_ _0"></span>teristics <span class="_ _d"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>.......... <span class="_ _7"></span>17<span class="ff7 fs8 ls2 ws2"></span></span></span></div><div class="t m0 x2 h5 y3a ff3 fs3 fc0 sc0 ls2 ws2">8<span class="ff7 fs8"><span class="_ _5"> </span></span><span class="ls15 ws13">Register definition <span class="_ _c"></span>...<span class="_ _0"></span>..............<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>.......... <span class="_ _7"></span>19<span class="ff7 fs8 ls2 ws2"></span></span></div><div class="t m0 x2 h5 y3b ff3 fs3 fc0 sc0 ls2 ws2">9<span class="ff7 fs8"><span class="_ _5"> </span></span><span class="ls15 ws13">Typical Applicati<span class="_ _0"></span>on Schematic <span class="_ _9"></span>..................<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>.. <span class="_ _7"></span>24<span class="ff7 fs8 ls2 ws2"></span></span></div><div class="t m0 x2 h5 y3c ff3 fs3 fc0 sc0 lsb ws2">10<span class="ff7 fs8 ls2"><span class="_ _e"> </span></span><span class="ls18 ws21">Package information <span class="_ _7"></span>.......<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>..............<span class="_ _0"></span>.............<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>.. <span class="_ _7"></span>28<span class="ff7 fs8 ls2 ws2"></span></span></div><div class="t m0 x2 h5 y3d ff3 fs3 fc0 sc0 lsb ws2">11<span class="ff7 fs8 ls2"><span class="_ _e"> </span></span><span class="ls16 ws1e">Order inform<span class="_ _0"></span>ation <span class="_ _7"></span>...........<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>...........<span class="_ _0"></span>.............<span class="_ _0"></span>..............<span class="_ _0"></span>..........<span class="_ _0"></span>..............<span class="_ _0"></span>.... <span class="_ _7"></span>31<span class="ff7 fs8 ls2 ws2"></span></span></div><div class="t m0 x2 h5 y3e ff3 fs3 fc0 sc0 ls2 ws2"> </div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div>
<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/626450274c65f41259ca8bd8/bg3.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0"> BK1080<span class="fs1 ls1 ws1"> v2.<span class="_ _0"></span>0 </span></div><div class="t m0 x2 h3 y2 ff2 fs1 fc0 sc0 ls2 ws2">©<span class="ff1 ls3 ws3"> 2009 Beken Corpo<span class="_ _1"></span>ration <span class="_ _1"></span> Proprietary an<span class="_ _1"></span>d Confidential <span class="_ _2"> </span>Page 3 of 31<span class="_ _1"></span></span><span class="ls4"> </span></div><div class="t m0 x2 he y3f ff2 fs6 fc0 sc0 ls1d ws22">1 General <span class="_ _f"></span>Description </div><div class="t m0 x2 h5 y40 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x2 h5 y41 ff3 fs3 fc0 sc0 ls17 ws23">The BK1080 FM rece<span class="_ _0"></span>iver employs <span class="_ _0"></span>a </div><div class="t m0 x2 h5 y42 ff3 fs3 fc0 sc0 ls1e ws24">low-IF architecture, mi<span class="_ _1"></span>xed signal imag<span class="_ _1"></span>e </div><div class="t m0 x2 h5 y43 ff3 fs3 fc0 sc0 ls1f ws25">rejectio<span class="_ _0"></span>n and all digital dem<span class="_ _0"></span>odulatio<span class="_ _0"></span>n </div><div class="t m0 x2 h5 y44 ff3 fs3 fc0 sc0 ls1a ws26">technology. The station scan of BK10<span class="_ _1"></span>80 </div><div class="t m0 x2 h5 y45 ff3 fs3 fc0 sc0 ls20 ws27">searches radio<span class="_ _0"></span> stations based on b<span class="_ _0"></span>oth the </div><div class="t m0 x2 h5 y46 ff3 fs3 fc0 sc0 ls21 ws28">channel <span class="_ _0"></span>RSSI estimatio<span class="_ _0"></span>n and signal<span class="_ _0"></span> </div><div class="t m0 x2 h5 y47 ff3 fs3 fc0 sc0 ls22 ws29">quality assessment<span class="_ _1"></span>, increases the numbe<span class="_ _1"></span>r </div><div class="t m0 x2 h5 y48 ff3 fs3 fc0 sc0 ls1f ws2a">of receiva<span class="_ _0"></span>ble stations w<span class="_ _0"></span>hile avoids fa<span class="_ _0"></span>lse </div><div class="t m0 x2 h5 y49 ff3 fs3 fc0 sc0 lsd ws2b">stops. BK1080 enabl<span class="_ _1"></span>es FM radio </div><div class="t m0 x2 h5 y4a ff3 fs3 fc0 sc0 ls23 ws2c">reception with low power, small board </div><div class="t m0 x2 h5 y4b ff3 fs3 fc0 sc0 ls24 ws2d">spac<span class="_ _1"></span>e an<span class="_ _1"></span>d<span class="_ _1"></span> min<span class="_ _1"></span>imu<span class="_ _1"></span>m nu<span class="_ _1"></span>mb<span class="_ _1"></span>er o<span class="_ _1"></span>f ex<span class="_ _1"></span>te<span class="_ _1"></span>rnal<span class="_ _1"></span> </div><div class="t m0 x2 h5 y4c ff3 fs3 fc0 sc0 ls25 ws2">components. </div><div class="t m0 x2 h5 y4d ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x2 h5 y4e ff3 fs3 fc0 sc0 ls26 ws2e">All functions are cont<span class="_ _0"></span>rolled through a </div><div class="t m0 x2 h5 y4f ff3 fs3 fc0 sc0 ls26 ws2f">simple 3-wire serial interface or I2C </div><div class="t m0 x2 h5 y50 ff3 fs3 fc0 sc0 ls27 ws30">serial i<span class="_ _0"></span>nterf<span class="_ _0"></span>ace. T<span class="_ _0"></span>he devi<span class="_ _0"></span>ce opera<span class="_ _0"></span>tes </div><div class="t m0 x2 h5 y51 ff3 fs3 fc0 sc0 ls28 ws31">from a<span class="_ _0"></span> power sup<span class="_ _0"></span>ply of 2.7 <span class="_ _0"></span>– 5.5 <span class="_ _0"></span>volts. </div><div class="t m0 x2 h5 y52 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x2 h5 y53 ff3 fs3 fc0 sc0 ls29 ws32">The BK1080 is av<span class="_ _1"></span>ailable in bo<span class="_ _1"></span>th 24-pin </div><div class="t m0 x2 h5 y54 ff3 fs3 fc0 sc0 ls2a ws33">4x4 mm QFN a<span class="_ _0"></span>nd SOP16 pa<span class="_ _0"></span>ckage.<span class="_ _0"></span> </div><div class="t m0 x2 h5 y55 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x14 he y3f ff2 fs6 fc0 sc0 ls2b ws34">2 Features </div><div class="t m0 x14 hf y40 ff8 fs3 fc0 sc0 ls2 ws2">z<span class="ff1"> <span class="_ _10"> </span><span class="ff3 ls2c ws35">Support <span class="_ _0"></span>65~108 MHz ba<span class="_ _0"></span>nd </span></span></div><div class="t m0 x14 hf y41 ff8 fs3 fc0 sc0 ls2 ws2">z<span class="ff1"> <span class="_ _10"> </span><span class="ff3 ls2d ws36">Automatic gain control </span></span></div><div class="t m0 x14 hf y42 ff8 fs3 fc0 sc0 ls2 ws2">z<span class="ff1"> <span class="_ _10"> </span><span class="ff3 ls1c ws37">Automatic freq<span class="_ _0"></span>uency contr<span class="_ _0"></span>ol </span></span></div><div class="t m0 x14 hf y43 ff8 fs3 fc0 sc0 ls2 ws2">z<span class="ff1"> <span class="_ _10"> </span><span class="ff3 ls2e ws38">Seek tuning </span></span></div><div class="t m0 x14 hf y44 ff8 fs3 fc0 sc0 ls2 ws2">z<span class="ff1"> <span class="_ _10"> </span><span class="ff3 ls2d ws36">Receive signal strength indicator </span></span></div><div class="t m0 x14 hf y45 ff8 fs3 fc0 sc0 ls2 ws2">z<span class="ff1"> <span class="_ _10"> </span><span class="ff3 ls2c ws35">Channel q<span class="_ _0"></span>uality a<span class="_ _0"></span>ssessmen<span class="_ _0"></span>t </span></span></div><div class="t m0 x14 hf y46 ff8 fs3 fc0 sc0 ls2 ws2">z<span class="ff1"> <span class="_ _10"> </span><span class="ff3 ls2e ws39">Stereo decoder </span></span></div><div class="t m0 x14 hf y47 ff8 fs3 fc0 sc0 ls2 ws2">z<span class="ff1"> <span class="_ _10"> </span><span class="ff3 ls2f ws3a">Auto<span class="_ _1"></span>matic<span class="_ _1"></span> stereo<span class="_ _1"></span>/mono<span class="_ _1"></span> swit<span class="_ _1"></span>ching </span></span></div><div class="t m0 x14 hf y48 ff8 fs3 fc0 sc0 ls2 ws2">z<span class="ff1"> <span class="_ _10"> </span><span class="ff3 ls30 ws3b">Automatic no<span class="_ _1"></span>ise suppression </span></span></div><div class="t m0 x14 hf y49 ff8 fs3 fc0 sc0 ls2 ws2">z<span class="ff1"> <span class="_ _10"> </span><span class="ff3 ls22 ws3c">50us/75us de-<span class="_ _1"></span>emphasis </span></span></div><div class="t m0 x14 hf y4a ff8 fs3 fc0 sc0 ls2 ws2">z<span class="ff1"> <span class="_ _10"> </span><span class="ff3 ls2c ws35">2.5 ~ 5.5 V sup<span class="_ _0"></span>ply volta<span class="_ _0"></span>ge </span></span></div><div class="t m0 x14 hf y56 ff8 fs3 fc0 sc0 ls2 ws2">z<span class="ff1"> </span></div><div class="t m0 x15 h10 y57 ff3 fs8 fc0 sc0 ls31 ws3d">Wide range reference clock supported </div><div class="t m0 x14 hf y58 ff8 fs3 fc0 sc0 ls2 ws2">z<span class="ff1"> <span class="_ _10"> </span><span class="ff3 fs8 ls32 ws3e">32.768KHz cry<span class="_ _1"></span>stal oscillator </span></span></div><div class="t m0 x14 hf y59 ff8 fs3 fc0 sc0 ls2 ws2">z<span class="ff1"> <span class="_ _10"> </span><span class="ff3 ls33 ws3f">I2C and 3-wires control interface </span></span></div><div class="t m0 x14 hf y5a ff8 fs3 fc0 sc0 ls2 ws2">z<span class="ff1"> <span class="_ _10"> </span><span class="ff3 ls34 ws7">4x4 mm<span class="_ _0"></span> 24-pin QFN <span class="_ _0"></span>packag<span class="_ _0"></span>e or </span></span></div><div class="t m0 x15 h5 y5b ff3 fs3 fc0 sc0 ls17 ws40">SOP16-pin package<span class="_ _0"></span> </div><div class="t m0 x15 h5 y5c ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x14 he y5d ff2 fs6 fc0 sc0 ls35 ws41">3 Applications </div><div class="t m0 x14 hf y5e ff8 fs3 fc0 sc0 ls2 ws2">z<span class="ff1"> <span class="_ _10"> </span><span class="ff3 ls36 ws42">Cellula<span class="_ _0"></span>r handset </span></span></div><div class="t m0 x14 hf y5f ff8 fs3 fc0 sc0 ls2 ws2">z<span class="ff1"> <span class="_ _10"> </span><span class="ff3 ls37 ws43">MP3 player </span></span></div><div class="t m0 x14 hf y60 ff8 fs3 fc0 sc0 ls2 ws2">z<span class="ff1"> <span class="_ _10"> </span><span class="ff3 ls38 ws44">PDAs and not<span class="_ _0"></span>ebook<span class="_ _0"></span> </span></span></div><div class="t m0 x14 h5 y61 ff3 fs3 fc0 sc0 ls2 ws2"> </div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div>
<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/626450274c65f41259ca8bd8/bg4.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0"> BK1080<span class="fs1 ls2 ws2"> <span class="_ _3"> </span><span class="ff3 ls13 ws12">FM Receiver </span></span></div><div class="t m0 x2 hc y24 ff1 fs1 fc0 sc0 ls3 ws3">© 2009 Beken Corpo<span class="_ _1"></span>ration <span class="_ _1"></span> Proprietary an<span class="_ _1"></span>d Confidential <span class="_ _2"> </span>Page 4 of 31 <span class="_ _4"> </span> </div><div class="t m0 x2 h5 y25 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x2 he y62 ff2 fs6 fc0 sc0 ls39 ws45">4 <span class="_ _11"> </span>Chip Block Diagram </div><div class="t m0 x2 h11 y63 ff5 fs4 fc0 sc0 ls2 ws2"> </div><div class="t m0 x16 h12 y64 ff2 fs9 fc0 sc0 ls2 ws2">M</div><div class="t m0 x16 h12 y65 ff2 fs9 fc0 sc0 ls2 ws2">C</div><div class="t m0 x16 h12 y66 ff2 fs9 fc0 sc0 ls2 ws2">U</div><div class="t m0 x17 h12 y67 ff2 fs9 fc0 sc0 ls3a ws2">DAC</div><div class="t m0 x17 h12 y68 ff2 fs9 fc0 sc0 ls3a ws2">DAC</div><div class="t m0 x18 h12 y69 ff2 fs9 fc0 sc0 ls3b ws2">GPIO</div><div class="t m0 x19 h12 y6a ff2 fs9 fc0 sc0 ls3c ws2">Interface</div><div class="t m0 x17 h12 y6b ff2 fs9 fc0 sc0 ls3a ws2">BUS</div><div class="t m0 x1a h12 y6c ff2 fs9 fc0 sc0 ls3a ws2">ADC</div><div class="t m0 x1a h12 y6d ff2 fs9 fc0 sc0 ls3d ws2">PGA</div><div class="t m0 x1b h12 y6e ff2 fs9 fc0 sc0 ls3e ws2">APLL</div><div class="t m0 x1b h12 y6f ff2 fs9 fc0 sc0 ls3f ws2">DPLL</div><div class="t m0 x1c h12 y70 ff2 fs9 fc0 sc0 ls40 ws2">REG</div><div class="t m0 x1d h13 y71 ff2 fsa fc0 sc0 ls41 ws2">BK1080</div><div class="t m0 x1e h12 y72 ff2 fs9 fc0 sc0 ls42 ws46">2.7-5.5 V<span class="_ _12"> </span><span class="ls43 ws2">VA</span></div><div class="t m0 x1f h12 y73 ff2 fs9 fc0 sc0 ls44 ws2">VD</div><div class="t m0 x20 h12 y74 ff2 fs9 fc0 sc0 ls45 ws2">RCLK</div><div class="t m0 x13 h12 y75 ff2 fs9 fc0 sc0 ls46 ws2">32.768KHz</div><div class="t m0 x21 h12 y76 ff2 fs9 fc0 sc0 ls3b ws2">GPIO</div><div class="t m0 x21 h12 y77 ff2 fs9 fc0 sc0 ls47 ws2">VIO</div><div class="t m0 x21 h12 y78 ff2 fs9 fc0 sc0 ls48 ws2">SDIO</div><div class="t m0 x21 h12 y79 ff2 fs9 fc0 sc0 ls40 ws2">SCLK</div><div class="t m0 x21 h12 y7a ff2 fs9 fc0 sc0 ls3e ws2">MODE</div><div class="t m0 x21 h12 y7b ff2 fs9 fc0 sc0 ls49 ws2">SEN</div><div class="t m0 x22 h12 y7c ff2 fs9 fc0 sc0 ls4a ws2">LNA</div><div class="t m0 x21 h12 y7d ff2 fs9 fc0 sc0 ls4b ws2">ROUT</div><div class="t m0 x21 h12 y7e ff2 fs9 fc0 sc0 ls4c ws2">LOUT</div><div class="t m0 x23 h12 y7f ff2 fs9 fc0 sc0 ls4d ws2">FMIP</div><div class="t m0 x10 h12 y80 ff2 fs9 fc0 sc0 ls4e ws2">FMIN</div><div class="t m0 x24 h14 y81 ff2 fsb fc0 sc0 ls4f ws47">Tuning system</div><div class="t m0 x25 h15 y82 ff2 fsc fc0 sc0 ls44 ws2">RF/Analog</div><div class="t m0 x26 h12 y83 ff2 fs9 fc0 sc0 ls2 ws2">AGC</div><div class="t m0 x27 h12 y84 ff2 fs9 fc0 sc0 ls50 ws2">FM</div><div class="t m0 x28 h12 y85 ff2 fs9 fc0 sc0 ls51 ws2">DEMOD</div><div class="t m0 x29 h12 y86 ff2 fs9 fc0 sc0 ls52 ws48">Stereo Deco<span class="_ _1"></span>der</div><div class="t m0 x2a h11 y87 ff5 fs4 fc0 sc0 ls2 ws2"> </div><div class="t m0 x2 h11 y88 ff5 fs4 fc0 sc0 ls53 ws49">Figure 1 Chip Block Diagram </div><div class="t m0 x2 h5 y89 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x2 h5 y8a ff3 fs3 fc0 sc0 ls2 ws2"> </div></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/626450274c65f41259ca8bd8/bg5.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0"> BK1080<span class="fs1 ls1 ws1"> v2.<span class="_ _0"></span>0 </span></div><div class="t m0 x2 h3 y2 ff2 fs1 fc0 sc0 ls2 ws2">©<span class="ff1 ls3 ws3"> 2009 Beken Corpo<span class="_ _1"></span>ration <span class="_ _1"></span> Proprietary an<span class="_ _1"></span>d Confidential <span class="_ _2"> </span>Page 5 of 31<span class="_ _1"></span></span><span class="ls4"> </span></div><div class="t m0 x2 he y3f ff2 fs6 fc0 sc0 ls54 ws4a">5 Pin <span class="_ _13"></span>Assignment </div><div class="t m0 x2b h16 y8b ff1 fsd fc0 sc0 ls2 ws2">GND</div><div class="t m0 x2c h16 y8c ff1 fsd fc0 sc0 ls55 ws2">FMIN</div><div class="t m0 x2b h16 y8d ff1 fsd fc0 sc0 ls2 ws2">GND</div><div class="t m0 x2d h16 y8e ff1 fsd fc0 sc0 ls56 ws2">FMIP</div><div class="t m0 x2b h16 y8f ff1 fsd fc0 sc0 ls2 ws2">GND</div><div class="t m0 x2e h16 y90 ff1 fsd fc0 sc0 ls57 ws2">XTAL</div><div class="t m1 x2f h16 y91 ff1 fsd fc0 sc0 ls58 ws2">MODE</div><div class="t m2 x30 h17 y92 ff1 fse fc0 sc0 ls59 ws2">SE</div><div class="t m2 x30 h17 y93 ff1 fse fc0 sc0 ls2 ws2">N</div><div class="t m1 x31 h16 y91 ff1 fsd fc0 sc0 ls5a ws2">SCLK</div><div class="t m1 x29 h16 y91 ff1 fsd fc0 sc0 ls55 ws2">SDIO</div><div class="t m1 x32 h16 y91 ff1 fsd fc0 sc0 ls5b ws2">RCLK</div><div class="t m1 x33 h16 y91 ff1 fsd fc0 sc0 ls5c ws2">VIO</div><div class="t m0 x34 h16 y94 ff1 fsd fc0 sc0 ls5d ws2">VD</div><div class="t m0 x34 h16 y95 ff1 fsd fc0 sc0 ls2 ws2">GND</div><div class="t m0 x34 h16 y96 ff1 fsd fc0 sc0 ls5e ws2">ROUT</div><div class="t m0 x34 h16 y97 ff1 fsd fc0 sc0 ls5f ws2">LOUT</div><div class="t m0 x34 h16 y98 ff1 fsd fc0 sc0 ls2 ws2">GND</div><div class="t m0 x34 h16 y99 ff1 fsd fc0 sc0 ls5d ws2">VA</div><div class="t m3 x35 h16 y9a ff1 fsd fc0 sc0 ls60 ws2">GPIO3</div><div class="t m3 x36 h16 y9a ff1 fsd fc0 sc0 ls60 ws2">GPIO2</div><div class="t m3 x37 h16 y9a ff1 fsd fc0 sc0 ls60 ws2">GPIO1</div><div class="t m3 x38 h16 y9a ff1 fsd fc0 sc0 ls5b ws2">NC</div><div class="t m3 x39 h16 y9a ff1 fsd fc0 sc0 ls5b ws2">NC</div><div class="t m3 x3a h16 y9a ff1 fsd fc0 sc0 ls2 ws2">GND</div><div class="t m0 x3b h16 y9b ff1 fsd fc0 sc0 ls2 ws2">1</div><div class="t m0 x3b h16 y9c ff1 fsd fc0 sc0 ls2 ws2">2</div><div class="t m0 x3b h16 y9d ff1 fsd fc0 sc0 ls2 ws2">3</div><div class="t m0 x3b h16 y9e ff1 fsd fc0 sc0 ls2 ws2">4</div><div class="t m0 x3b h16 y9f ff1 fsd fc0 sc0 ls2 ws2">5</div><div class="t m0 x3b h16 ya0 ff1 fsd fc0 sc0 ls2 ws2">6</div><div class="t m0 x3c h16 ya1 ff1 fsd fc0 sc0 ls2 ws2">7<span class="_ _14"> </span>8<span class="_ _14"> </span>9<span class="_ _15"> </span><span class="ls61">10<span class="_ _16"> </span>11<span class="_ _16"> </span><span class="ls62">12</span></span></div><div class="t m0 x3d h16 y9b ff1 fsd fc0 sc0 ls61 ws2">18</div><div class="t m0 x3d h16 y9c ff1 fsd fc0 sc0 ls61 ws2">17</div><div class="t m0 x3d h16 y9d ff1 fsd fc0 sc0 ls61 ws2">16</div><div class="t m0 x3d h16 y9e ff1 fsd fc0 sc0 ls61 ws2">15</div><div class="t m0 x3d h16 y9f ff1 fsd fc0 sc0 ls61 ws2">14</div><div class="t m0 x3d h16 ya0 ff1 fsd fc0 sc0 ls61 ws2">13</div><div class="t m0 x3e h16 ya2 ff1 fsd fc0 sc0 ls62 ws2">19<span class="_ _17"></span><span class="ls61">20<span class="_ _17"></span>21<span class="_ _18"></span><span class="ls62">22<span class="_ _17"></span><span class="ls61">23<span class="_ _18"></span>24</span></span></span></div><div class="t m0 x1a h16 ya3 ff1 fsd fc0 sc0 ls63 ws2">(BK1080QB)</div><div class="t m0 x5 h16 ya4 ff1 fsd fc0 sc0 ls64 ws2">GND</div><div class="t m0 x2a h5 ya5 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x2 h11 ya6 ff5 fs4 fc0 sc0 ls65 ws4b">Figure 2 Pin Assignment f<span class="_ _1"></span>or BK1080QB QFN24 4x4 mm package (top view) </div><div class="t m0 x2 h5 ya7 ff3 fs3 fc0 sc0 ls2 ws2"> </div><div class="t m0 x2 h11 ya8 ff5 fs4 fc0 sc0 ls66 ws4c">Table 1 BK1080 QFN24 pin assignment </div><div class="t m0 x3f h18 ya9 ff5 fs3 fc0 sc0 ls67 ws2">package </div><div class="t m0 x40 h18 yaa ff5 fs3 fc0 sc0 ls68 ws4d">Pin # </div><div class="t m0 x41 h18 ya9 ff5 fs3 fc0 sc0 ls69 ws4e">Name Type <span class="_ _19"></span>Description </div><div class="t m0 x42 h5 yab ff3 fs3 fc0 sc0 lsb ws2">1 </div><div class="t m0 x41 h5 yac ff3 fs3 fc0 sc0 ls1e ws4f">GND GND <span class="_ _1a"></span>RF <span class="_ _1b"></span>ground. <span class="_ _1b"></span> </div><div class="t m0 x42 h5 yad ff3 fs3 fc0 sc0 lsb ws2">2 </div><div class="t m0 x41 h5 yae ff3 fs3 fc0 sc0 ls6a ws2">FMIN</div><div class="t m0 x43 h19 yaf ff3 fs7 fc0 sc0 ls6b ws2">[1]</div><div class="t m0 x44 h5 yb0 ff3 fs3 fc0 sc0 ls1e ws50"> <span class="_ _1c"> </span>RF <span class="_ _a"> </span>FM RF input negative po<span class="_ _1"></span>rt. </div><div class="t m0 x42 h5 yb1 ff3 fs3 fc0 sc0 lsb ws2">3 </div><div class="t m0 x41 h5 yb2 ff3 fs3 fc0 sc0 ls1e ws4f">GND GND <span class="_ _1a"></span>RF <span class="_ _1b"></span>ground. <span class="_ _1b"></span> </div><div class="t m0 x42 h5 yb3 ff3 fs3 fc0 sc0 lsb ws2">4 </div><div class="t m0 x41 h5 yb4 ff3 fs3 fc0 sc0 ls6a ws2">FMIP</div><div class="t m0 x45 h19 yb5 ff3 fs7 fc0 sc0 ls6b ws2">[1]</div><div class="t m0 x46 h5 yb6 ff3 fs3 fc0 sc0 ls6c ws51"> <span class="_ _1d"> </span>RF <span class="_ _a"> </span>FM RF input positive port. </div><div class="t m0 x42 h5 yb7 ff3 fs3 fc0 sc0 lsb ws2">5 </div><div class="t m0 x41 h5 yb8 ff3 fs3 fc0 sc0 lsb ws8">GND <span class="_ _1e"> </span>GND <span class="_ _1f"> </span>I/O ground. </div><div class="t m0 x42 h5 yb9 ff3 fs3 fc0 sc0 lsb ws2">6 </div><div class="t m0 x41 h5 yba ff3 fs3 fc0 sc0 ls6d ws2">XTAL</div><div class="t m0 x47 h19 ybb ff3 fs7 fc0 sc0 ls6b ws2">[2]</div><div class="t m0 x48 h5 ybc ff3 fs3 fc0 sc0 ls6e ws52"> <span class="_ _e"> </span>I/O <span class="_ _20"> </span>Crystal <span class="_ _0"></span>oscillato<span class="_ _0"></span>r input when us<span class="_ _0"></span>e on-chip c<span class="_ _0"></span>rystal. (use<span class="_ _0"></span>d </div><div class="t m0 x3a h5 ybd ff3 fs3 fc0 sc0 ls67 ws53">with RCLK together) </div><div class="t m0 x42 h5 ybe ff3 fs3 fc0 sc0 lsb ws2">7 </div><div class="t m0 x41 h5 ybf ff3 fs3 fc0 sc0 ls6f ws54">MODE I/O <span class="_ _21"></span>Control <span class="_ _22"></span>Interface <span class="_ _22"></span>Select </div><div class="t m0 x3a h5 yc0 ff3 fs3 fc0 sc0 ls70 ws55">I2C <span class="_ _1"></span>inter<span class="_ _1"></span>face<span class="_ _1"></span> is s<span class="_ _1"></span>ele<span class="_ _1"></span>cted<span class="_ _1"></span> when<span class="_ _1"></span> the<span class="_ _1"></span> MODE<span class="_ _1"></span> pin i<span class="_ _1"></span>s lo<span class="_ _1"></span>w </div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div>
