Mca Firmware Update - Digi ConnectCore 8X Hardware Reference Manual

The ConnectCore 8X System-on-Module
If the system does not enter OFF state before a configurable guard timer expires, the MCA will
n
automatically set the OFF state.
MCA_VIN_DET signal
The on-module MCA is powered from a dedicated external power rail, VCC_MCA. As recommended in
the reference designs (see
external 3.3V regulator. If the system requires system time to be kept when there is no power, you
must use a coin-cell battery to power the MCA while it keeps the RTC up to date in low-power mode.
The MCA uses the MCA_VIN_DET input to monitor the input voltage of the whole system and
automatically switch to RTC mode when it is disconnected, to keep the system time and save power.

MCA firmware update

The i.MX 8X processor can update the firmware of the MCA. See the
additional information about the MCA firmware update process.
ConnectCore® 8X System-on-Module Hardware Reference Manual
System-on-Module input power
The Micro Controller Assist™ hardware
supply), this power supply is provided by an
MCA software documentation for
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