说明：  PT2262/PT2272 是台湾普城公司生产的一种CMOS 工艺制造的低功耗低价位通用编解码电路，PT2262/PT2272 最多可有12 位(A0-A11)三态地址端管脚(悬空,接高电平,接低电平),任意组合可提供531441 地址码,PT2262 最多可有6 位(D0-D5)数据端管脚,设定的地址码和数据码从17 脚串行输出，可用于无线遥控发射电路。编码芯片PT2262 发出的编码信号由：地址码、数据码、同步码组成一个完整的码字
(Cape Town PT2262/PT2272 Taiwan company manufacturing a CMOS low-power low-cost generic codec circuit, PT2262/PT2272 up to 12 (A0-A11) end a three-state address pins (left, then high level, then low-level), any combination of available code 531441 Address, PT2262 up to 6 (D0-D5) data end pin, set the address code and data code 17 feet from the serial output that can be used wireless remote control transmitter. PT2262 chip encoded signal by encoding issue: address code, data code, synchronization code to form a complete code word)