These routines transmit and receive serial data using two general
* I/O pins, in 8 bit, No parity, 1 stop bit format. They are useful
* for performing serial I/O on 8051 derivatives not having an
* internal UART, or for implementing a second serial channel.
標簽：
routines
transmit
receive
general
上傳時間：
2015-05-22
上傳用戶：firstbyte
