cExpress-TL User’s Guide
PICMG COM.0 R3.0
Page 39
Copyright © 2021 ADLINK Technology, Inc.
4.3.13
General Purpose I/O (GPIO)
Name
Pin #
Description
I/O
PU / PD
Comment
GPO[0]
A93
General purpose output pins.
O 3.3V
PD 10K 3.3V
After hardware RESET output low
GPO[1]
B54
General purpose output pins.
O 3.3V
PD 10K 3.3V
After hardware RESET output low
GPO[2]
B57
General purpose output pins.
O 3.3V
PD 10K 3.3V
After hardware RESET output low
GPO[3]
B63
General purpose output pins.
O 3.3V
PD 10K 3.3V
After hardware RESET output low
GPI[0]
A54
General purpose input pins. Pulled high internally on the
module.
I 3.3V
PU 10K 3.3V
GPI[1]
A63
General purpose input pins. Pulled high internally on the
module.
I 3.3V
PU 10K 3.3V
GPI[2]
A67
General purpose input pins. Pulled high internally on the
module.
I 3.3V
PU 10K 3.3V
GPI[3]
A85
General purpose input pins. Pulled high internally on the
module.
I 3.3V
PU 10K 3.3V
4.3.14
Serial Interface Signals
Name
Pin #
Description
I/O
PU / PD
Comment
SER0_TX
A98
General purpose serial port transmitter
O CMOS
3.3V
Power rail tolerance 5V, 12V
There shall be PD on carrier board
SER0_RX
A99
General purpose serial port receiver
I CMOS
3.3V
PU 10K 3.3V
Power rail tolerance 5V, 12V
SER1_TX A101
General
purpose
serial port transmitter
O CMOS
3.3V
Power rail tolerance 5V, 12V
There shall be PD on carrier board
SER1_RX
A102
General purpose serial port receiver
I CMOS
3.3V
PU 10K 3.3V
Power rail tolerance 5V, 12V