Devices Purpose - I/O
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 10.
Table 10. HW configuration for the boot mode MB1263/SW1
Boot mode BOOT2 BOOT1 BOOT0
Serial NOR 0 0 1
microSD 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:
UM2648
Boot options
UM2648 - Rev 1
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