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文章通过一个专用通信电台的编码组件,介绍了使用PIC16C54单片机与具有I2C总线的DTMF发生器PCD3312软硬件接口实例。
The article introduces the hardware and software interface of PCD3312 using PIC16C54 MCU and DTMF generator with I2C bus through the coding component of a dedicated communication station.