BPC-7924-COM
来自ARM Wiki
Caixiaoyan(讨论 | 贡献)2022年4月20日 (三) 10:34的版本 (创建页面,内容为“===== COM1-COM2: ===== :{| class="wikitable" |- ! Pin !! 信号名称 |- | 1 || DCD |- | 2 || RXD |- | 3 || TXD |- | 4 || DTR |- | 5 || GND |- | 6 || DSR |- | 7 ||...”)
COM1-COM2:
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RS232/RS422/RS485时,COM1,COM2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
- COM1,COM2 跳线功能设置(J1,J2,J3,J4,J5,J6):
COM1 AS RS232 PORT COM1 AS RS422 PORT COM1 AS RS485 PORT J4 1-3 2-4 J4 3-5 4-6 J4 3-5 4-6 J5 1-3 2-4 J5 3-5 4-6 J5 3-5 4-6 J6 1-2 J6 3-4 J6 5-6 7-8
COM2 AS RS232 PORT COM2 AS RS422 PORT COM2 AS RS485 PORT J1 1-3 2-4 J1 3-5 4-6 J1 3-5 4-6 J2 1-3 2-4 J2 3-5 4-6 J2 3-5 4-6 J3 1-2 J3 3-4 J3 5-6 7-8
COM3-COM6:
信号名称 Pin Pin 信号名称 DCD# 1 2 DSR# SIN 3 4 RTS# SOUT 5 6 CTS# DTR# 7 8 RI# GND 9 10 COM_PIN10
J9:
Pin 信号名称 1 +5V 2 COM_PIN10 3 +12V