Audio Connector (Cn28) - Asus AAEON PICO-ADN4 User Manual

Pin Pin Name
19 UART_TX
20 UART_RX
Note: COM RS-232/422/485 can be set by BIOS setting. Default is RS-232.
Note: RI1/+5V/+12V function can be set by BOM(R556-RI/R554-+12V/R555-+5V).
Default is RING.
Note: RI2/+5V/+12V function can be set by BOM(R562-RI/R560-+12V/R561-+5V).
Default is RING.
Note: CN26 COM power current max: 0.5A for each port.
2.4.21

Audio Connector (CN28)

Pin Pin Name
1 LOUT_R
2 AUD_GND
3 LOUT_L
4 AUD_GND
Chapter 2 – Hardware Information
Signal Type
Signal Type
Signal
GND
Signal
GND
Signal Level
Signal Level
31