5.10 Boot Mode Pin
Boot mode pin determines how the module boot. The following table listed the possible options of the boot mode:
BOOT_MODE
Action
0
Boot from memory devices
1
Boot from USB OTG
Table 20
The boot from USB OTG is usually used for the boot loader deploy.
In the figure is shown the boot section scheme. The standard mode expected booting from a memory device. Closing JM2 corresponds
to put at logical 1 (high) the boot mode pin to boot from USB OTG.
Figure 21
In Table below is listed the boot mode Pin numbering.
Number
Name
Primary Function Description
GPIO Capable
Voltage
181
BOOT_MODE
Boot from USB/UART or Memory device
N
+3,3V
Table 21
In the evaluation board we set-up all the configurations for bootstrap from memory device, NAND, eMMC or SD card.
D N :
3 6
