LEC-
PX30 User’s Guide
SGET SMARC Rev 2.1
Page 37
copyright © 2020 ADLINK Technology Inc.
Name
Pin
#
Description
I/O
Type
I/O
Level
Power
Domain
PU /
PD
Comments
RESET_OUT#
P126 General purpose reset output to Carrier board.
O
CMOS
TBD
Standby
PU 10K
RESET_IN#
P127 Reset input from Carrier board. Carrier drives low
to force a Module reset, floats the line otherwise.
I OD
CMOS
TBD
Standby
PU 10K
Driven by OD on Carrier.
Pulled up on module.
I2C_PM_DAT
P122 Power management I2C bus DATA
I/O OD
CMOS
TBD
Standby
PU 2.2K On x86 systems these serve as SMB
DATA.
Pulled up on module.
I2C_PM_CK
P121 Power management I2C bus CLK
O OD
CMOS
TBD
Standby
PU 2.2K On x86 systems these serve as SMB
CLK.
Pulled up on module.
SMB_ALERT_1V8#
P1
SMBus Alert# (interrupt) signal
I OD
CMOS
TBD
Standby
PU 2.2K only used on x86 design