BPC-7936-COM
来自ARM Wiki
COM:
Pin 信号名称 1 DCD 2 RXD 3 TXD 4 DTR 5 GND 6 DSR 7 RTS 8 CTS 9 RI
- 当COM1、COM2设置为R232/RS422/RS485时,PIN脚定义:
Pin RS232(默认) RS422 RS485 1 DCD TX- DATA- 2 RXD TX+ DATA+ 3 TXD RX+ NC 4 DTR RX- NC 5 GND GND GND 6 DSR NC NC 7 RTS NC NC 8 CTS NC NC 9 RI NC NC