Product Card

Devices Purpose/IO
JOY_LEFT: Joystick left direction (MB1262/B1 pin1) MFX_IO2
JOY_RIGHT: Joystick right direction (MB1262/B1 pin6) MFX_IO3
JOY_UP: Joystick up direction (MB1262/B1 pin4) MFX_IO4
6.6 Boot options
The STM32MP157x-EV1 board may boot from different sources as described in T
able 9.
Table 9. HW configuration for the BOOT mode MB1263/SW1
Boot Mode BOOT2 BOOT1 BOOT0
Serial-NOR 0 0 1
uSD card 1 0 1
eMMC 0 1 0
NAND 0 1 1
UART and USB
0 0 0
1 1 0
Reserved 1 0 0
The boot related switches (MB1263/SW1) must be configured as illustrated by one of the following pictures:
UM2535
Boot options
UM2535 - Rev 2
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