“BPC-7924-COM”的版本间的差异

来自ARM Wiki
跳转至: 导航搜索
(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:
第1行: 第1行:
===== COM1-COM2: =====
+
===== COM1-COM3: =====
 
:{| class="wikitable"
 
:{| class="wikitable"
 
|-
 
|-

2022年4月20日 (三) 10:39的版本

COM1-COM3:
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