This page details the selectable boot options for the MPCam RevB.

References

• Flashing the eMMC Image

Boot Options

The MPCam can boot from 3 different sources:

1. eMMC

2. SDCard

3. DFU

The boot option is selected from the S201 switches located to the right of the camera sensor:

Open

The switches are labelled on the PCB from top to bottom: 0, 1, 2, WP

Switches 0, 1, 2 correspond to the STM32MP1’s BOOT0, BOOT1, BOOT2 pins.

WP stands for Write-Protect of the OSD32 onboard 4KB EEPROM.

Boot Mode	BOOT0	BOOT1	BOOT2

Boot Mode	BOOT0	BOOT1	BOOT2
eMMC	LOW (0)	HIGH (1)	LOW(0)	Open
SDCard	HIGH(1)	LOW(0)	HIGH(1)
DFU	LOW(0)	LOW(0)	LOW(0)