Avnet SMARC MSC SM2S-IMX8MINI User Manual page 44

Pin
Signal
Type
CHARGING# I
CHARGER_PRSNT# I
SLEEP# I OD
LID# I OD
BATLOW# I OD
I2C_PM_CK O OD
I2C_PM_DAT I/O OD
MSC SM2S-IMX8MINI
User Manual
Pin on Pin name on
Signal Level
i.MX8M Mini i.MX8M Mini
1.8V CMOS AC15 SAI5_RXC
1.8V CMOS AF18 SAI1_RXD5
1.8V CMOS AF19 SAI1_RXD7
1.8V CMOS AB18 SAI1_MCLK
1.8V CMOS AB15 SAI5_RXFS
1.8V CMOS D10 I2C2_SCL
1.8V CMOS D9 I2C2_SDA
Power
PU/PD Description
Tolerance
1.8V PU 10k 1V8 Held low by Carrier during battery charging.
Carrier to float the line when charge is
complete. Pulled up on Module. Driven by OD
part on Carrier.
(CPU GPIO3_IO20)
1.8V PU 10k 1V8 Held low by Carrier if DC input for battery
charger is present. Pulled up on Module. Driven
by OD part on Carrier.
(CPU GPIO4_IO07)
1.8V PU 10k 1.8V Sleep indicator from Carrier board. May be
sourced from user Sleep button or Carrier logic.
Carrier to float the line in in-active state. Driven
by OD part on Carrier. Pulled up on module.
(CPU GPIO4_IO09)
1.8V PU 10k 1.8V Lid open/close indication to Module. Low
indicates lid closure. Carrier to float the line in in-
active state. Active low, level sensitive. Pulled up
on Module. Driven by OD part on Carrier.
(CPU GPIO4_IO20)
1.8V PU 10k 1.8V Battery low indication to Module. Carrier to float
the line in in-active state. Pulled up on Module.
Driven by OD part on Carrier.
(CPU GPIO3_IO19)
1.8V PU 2.2k 1.8V Power management I²C clock output
1.8V PU 2.2k 1.8V Power management I²C data I/O
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