
Embedian, Inc.
89
SMARC-iMX8M Computer on Module User’s Manual v.1.0
2.1.18. GPIOs
The
SMARC‐iMX8M
module supports
12
GPIOs, as defined by the
SMARC
specification. Specific alternate functions are assigned to some
GPIOs
such
as
PWM / Tachometer
capability, Camera support, CAN Error Signaling and
HD Audio reset. All pins are capable of bi‐directional operation. A default
direction of operation is assigned, with half of them (
GPIO0 – GPIO5
) for use
as outputs and the remainder (
GPIO6 – GPIO11
) as inputs by
SMARC
hardware specification.