用8051采用pwm方式播放 串口语音数据，据说不错 ，后台通过串口传输wav文件。-By 8051 using pwm voice broadcast of the serial data, it is said is true that the background wav file through the serial transmission.

8051,IO模拟串口通讯,用外部中断.可用于MCU之间通讯.-8051, IO analog serial communication with an external interrupt

cc25xx(cc2530)的双线串行外设(串口)的范例。运行行环境是IAR-for-8051-8.10，直接编译运行烧录可使用。-cc25xx (CC2530) of the two wire serial peripheral (serial) paradigm. The operating environment is IAR-for-8051-8.10, direct the compiler to run recording can be used.