View source for AOM-3841 UART RS232（DEBUG、COM1、COM2、M.2 E1）


=== '''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
| &nbsp;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
|}