51串口程序，希望对大家有帮助，RS232经典程序！-51 serial procedures, in the hope that everyone has to help, RS232 classic program!

Development set EVM9200, based on AT91RM9200 from Atmel Corporation contain popular interfaces Ethernet 100/10, RS232, USB device, USB host, MultimediaCard, and can be useful for embedded systems developers. Development set EVM9200m, EVM9200m analog,