miriac SBC-S32G-R3_User Manual
V 3.2
11/65
© MicroSys Electronics GmbH 2021
3.3
Operation
After power-on, the green LED on the module should be lit and
any red LED should be off.
IF NOT, DISCONNECT THE UNIT FROM POWER AND CHECK
FOR FAULTS!
3.3.1 Default switch settings
Switch SW2 (S32G274A config):
Switch
Default
Function
1
Off
RCW select
Default RCW
2
Off
On = boot from SPI on SoM
Off = boot from SD card
3
Off
Off = root complex
4
Off
Off = JCOMP signal open
Table 3-1 Switch2 setting
Switch SW3 (SJA1110 config):
Switch
Default
Function
1
Off
BOOT_OPTION0 = 1
2
Off
BOOT_OPTION1 = 1
Table 3-2 Switch3 setting
3.3.2 U-Boot Startup
When power is supplied the system will start and boot into U-Boot.
The exact output may vary, depending on U-Boot and MPX-S32G274A module
versions in use.
U-Boot 2020.04-4.1+g97081903ce (Mar 03 2021 - 07:18:34
+0000)
CPU: NXP S32G274A rev. 2.1.0
Reset cause: Power-On Reset
Model: MicroSys S32G274ASBC2
DRAM: 3.5 GiB
