14 i2c bus, 15 general purpose i/o (gpio), 16 serial interface signals – ADLINK Express-HL User Manual
Page 23

Express-HL
Page 23
3.3.14 I2C Bus
Signal
Pin # Description
I/O
PU/PD
Comment
I2C_CK
B33
General purpose I²C port clock output/input
I/O OD 3.3VSB
PU 2k2 3.3VSB
I2C_DAT
B34
General purpose I²C port data I/O line
I/O OD 3.3VSB
PU 2k2 3.3VSB
3.3.15 General Purpose I/O (GPIO)
Signal
Pin # Description
I/O
PU/PD
Comment
GPO[0]
A93
General purpose output pins.
O 3.3V
PU 10K 3.3V
After hardware RESET
output low
GPO[1]
B54
General purpose output pins.
O 3.3V
PU 10K 3.3V
After hardware RESET
output low
GPO[2]
B57
General purpose output pins.
O 3.3V
PU 10K 3.3V
After hardware RESET
output low
GPO[3]
B63
General purpose output pins.
O 3.3V
PU 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
3.3.16 Serial Interface Signals
Signal
Pin # Description
I/O
PU/PD
Comment
SER0_TX A98
General purpose serial port transmitter (TTL level output)
O CMOS
Power rail tolerance 5V / 12V
SER0_RX A99
General purpose serial port receiver (TTL level input)
I CMOS
Power rail tolerance 5V / 12V
SER1_TX A101 General purpose serial port transmitter (TTL level output)
O CMOS
Power rail tolerance 5V / 12V
SER1_RX A102 General purpose serial port receiver (TTL level input)
I CMOS
Power rail tolerance 5V / 12V