Embedian SMARC-iMX8M Series, User Manual, Page: 158 / 174

Embedian, Inc.
158
SMARC-iMX8M Computer on Module User’s Manual v.1.0
4.2.3. Power Management Signals
The pins listed in the following table are related to power management.
They will be used in a battery‐operated system.
SMARC Edge Finger I/O Type Power
Rail Description
Pin# Pin Name
S156 BATLOW# I CMOS VDD_IO Battery low indication to Module.
Carrier to float the line in in‐active
state.
Pulled up on Module.
Driven by OD part on Carrier.
S154 CARRIER_PWR_ON O CMOS VDD_IO Signal to inform Carrier board
circuits being powered up
S153 CARRIER_STBY# O CMOS VDD_IO Module will drive this signal low
when the system is in a standby
power state
S152 CHARGER_PRSNT# I CMOS VDD_IO Held low by Carrier if DC input for
battery charger is present.
Pulled up on Module.
Driven by OD part on Carrier.