WIN Enterprises MB-73440, User Manual, Page: 45 / 82

Copyright © WIN Enterprises, Inc. MB-73440
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Signal Pin Description I/O PU/PD Comment
module.
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
4.4.16. 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
PD shall be on the
carrier
board
SER0_RX A99 General purpose serial port receiver
(TTL level input) I CMOS
I CMOS Power rail tolerance
5V/12V
SER1_TX / CAN_TX A101 General purpose serial port
transmitter (TTL level output)
O CMOS Power rail tolerance
5V/12V
PD shall be on the
carrier
board
SER1_RX / CAN_RX A102 General purpose serial port receiver
(TTL level input)
I CMOS Power rail tolerance
5V/12V
4.4.17. Power and System Management
Signal Pin Description I/O PU/PD Comment
PWRBTN# B12
Power button to bring system out of S5
(soft off), active on falling edge.
I 3.3VSB
PU 10k
3.3VSB
SYS_RESET# B49
Reset button input. Active low request for
module to reset and reboot. May be falling
edge sensitive. For situations when
SYS_RESET# is not able to reestablish
control of the system, PWR_OK or a power
I 3.3VSB
PU 10k
3.3VSB