Specifications
MIMXRT1050 EVK Board Hardware User’s Guide, User's Guide, Rev. 2, 03/2018
NXP Semiconductors
7
2.2. Boot Mode Configurations
The device has four boot modes (one is reserved for NXP use). The boot mode is selected based on the
binary value stored in the internal BOOT_MODE register. Switch (SW7-3 & SW7-4) is used to select
the boot mode on the MIMXRT1050 EVK Board.
Table 2.
Boot Mode pin settings
BOOT_MODE[1:0] (SW7-3 SW7-4)
BOOT Type
00
Boot From Fuses
01
Serial Downloader
10
Internal Boot
11
Reserved
Typically, the internal boot is selected for normal boot, which is configured by external BOOT_CFG
GPIOs. The following
Table 3
shows the typical Boot Mode and Boot Device settings.
Table 3.
Typical Boot Mode and Boot Device settings
SW7-1
SW7-2
SW7-3
SW7-4
Boot Device
OFF
ON
ON
OFF
Hyper Flash
OFF
OFF
ON
OFF
QSPI Flash
ON
OFF
ON
OFF
SD Card
NOTE
For more information about boot mode configuration, see the System Boot chapter of the
MIMXRT1050 Reference Manual
.
For more information about MIMXRT1050 EVK boot device selection and configuration, see the
main board schematic
.
2.3. Power Tree
A DC 5V external power supply is used to supply the MIMXRT1050 EVK Board at J2, and a slide
switch SW1 is used to turn the Power ON/OFF. J28 and J9 also can be used to supply the EVK Board.
Different power supply need to configure different Jumper setting of J1.
Table
4 shows the details:
Table 4.
Jumper settings of Power Supply
Power Supply
J1 Setting
J2
1-2
J9
3-4