AOM-3841 UART RS232（DEBUG、COM1、COM2、M.2 E1） - Revision history

Xingxing.li at 06:26, 17 March 2026

2026-03-17T06:26:16Z

Xingxing.li at 06:21, 17 March 2026

2026-03-17T06:21:23Z

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Xingxing.li: /* DEBUG Port Connection */

2026-03-17T06:11:24Z

‎DEBUG Port Connection

Xingxing.li: Created page with " === '''UART''' === User Debian/Linux UART/serial port access is through the tty-devices. The ttydevices have different names depending on UART drivers for different boards...."

2026-03-17T03:19:12Z

Created page with " === '''UART''' === User Debian/Linux UART/serial port access is through the tty-devices. The ttydevices have different names depending on UART drivers for different boards...."

New page

=== '''UART''' ===

User Debian/Linux UART/serial port access is through the tty-devices. The ttydevices have different names depending on UART drivers for different boards.

{| border="1" cellpadding="1" cellspacing="1" style="width: 500px;"
|-
| '''Device Node'''
| '''COM Port Name'''
|-
| /dev/ttyFIQ0
|  Debug
|-
| /dev/ttyS2
| COM2(RS232 2-wire)
|-
| /dev/ttyS4
| COM1(RS232 4-wire)
|-
| /dev/ttyS10
| M.2_E1(UART)
|}

=== '''DEBUG Port Connection''' ===

'''1.Connect the debug port cable on AOM-DB3500.'''

'''2.Connect it to your PC with a USB to COM Cable.'''

{| border="1" cellpadding="1" cellspacing="1" style="width: 254px;"
|-
| colspan="2" style="width: 244px;" | '''DEBUG Pin Connector'''
|-
| style="width: 72px;" | '''Pin'''
| style="width: 169px;" | '''Signal'''
|-
| style="width: 72px;" | 1
| style="width: 169px;" | NC
|-
| style="width: 72px;" | 2
| style="width: 169px;" | RX_DEBUG
|-
| style="width: 72px;" | 3
| style="width: 169px;" | TX_DEBUG
|-
| style="width: 72px;" | 4
| style="width: 169px;" | NC
|-
| style="width: 72px;" | 5
| style="width: 169px;" | GND
|-
| style="width: 72px;" | 6
| style="width: 169px;" | NC
|-
| style="width: 72px;" | 7
| style="width: 169px;" | RTS#
|-
| style="width: 72px;" | 8
| style="width: 169px;" | CTS#
|-
| style="width: 72px;" | 9
| style="width: 169px;" | NC
|}

@@ Line 71: / Line 71: @@
 === '''RS232——COM1_2''' ===
-[[File:AOM-DB3500 COM1 2.png|700x600px]][[File:AOM-DB3500 COM1 2 Pin header.png]]
+[[File:AOM-DB3500 COM1 2.png|700x600px|AOM-DB3500 COM1 2.png]][[File:AOM-DB3500 COM1 2 Pin header.png|RTENOTITLE]]
 {| border="1" cellpadding="1" cellspacing="1" style="width: 476px;"
@@ Line 185: / Line 185: @@
 === '''Configure Parameters''' ===
-Use “stty” command to configure serial port parameters. The commonly used param�eters include “Baud rate”, “Data bits”, “Stop bits”, “Parity”, “Flow control”.
+Use “stty” command to configure serial port parameters. The commonly used parameters include “Baud rate”, “Data bits”, “Stop bits”, “Parity”, “Flow control”.
 See details of the usage of “stty”:

@@ Line 21: / Line 21: @@
 | M.2_E1(UART)
 |}
 === '''DEBUG Port Connection''' ===
@@ Line 62: / Line 63: @@
 | style="width: 169px;" | NC
 |}