Avnet SMARC MSC SM2S-IMX8MINI User Manual

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User Manual
4.13 Watchdog
Table 18: Watchdog Signal Description
Signal
Pin
Type
Signal Level
Pin on
i.MX8M Mini
Pin name on
i.MX8M Mini
Power
Tolerance
PU/PD
Description
WDT_TIME_OUT#
O PP
1.8V CMOS
AG13
GPIO1_IO02
1.8V
Watch-Dog-Timer Output from the SOC.
4.14 System Management
Table 19: System Management Signal Description
Signal
Pin
Type
Signal Level
Pin on
i.MX8M Mini
Pin name on
i.MX8M Mini
Power
Tolerance
PU/PD
Description
VIN_PWR_BAD#
I OD
1.8V
n.a.
n.a.
5.0V
PU 18K Vin
PD 10K
Pulled low at carrier until external power supply
is ready. Pulled-up at module by voltage
divider. Should be driven by OD part on carrier.
CARRIER_PWR_ ON
O PP
1.8V CMOS
n.a.
n.a.
1.8V
Carrier board circuits should not be powered up
until module asserts this signal.
CARRIER_STBY#
O PP
1.8V CMOS
n.a.
n.a.
1.8V
Module asserts this signal to indicate standby
power state.
RESET_OUT#
O PP
1.8V CMOS
AD19
SAI2_MCLK
1.8V
General purpose reset for carrier board.
(CPU GPIO4_IO27)
RESET_IN#
I OD
1.8V CMOS
n.a.
n.a.
1.8V
PU 18k Vin
PD 10K
Reset input from Carrier board. Carrier drives
low to force a Module reset, floats the line
otherwise. Pulled up on module. Should be
driven by OD part on carrier.
POWER_BTN#
I
1.8V CMOS
n.a.
n.a.
1.8V
PU 10k 1V8
Power button to bring system into a power
state. Pulled up on module. Driven by OD part
on carrier.
Do not connect any Pull-down or Pull-up
resistors on Carrier.

Avnet SMARC MSC SM2S-IMX8MINI Specifications

General

Brand	Avnet
Model	SMARC MSC SM2S-IMX8MINI
Category	Control Unit
Language	English