Trying to access 1.8V SDIO card on RT700 EVK. Set jumpers JP65 and JP66 to 1-2 using a sample enhanced with debug statements.
SDCARD fatfs freertos example.
Card inserted.
SDCARD fatfs freertos example.
Card inserted.
--- SD Card Init ---
SD card init failed! Status: 1834
Possible causes:
- Card doesn't support 1.8V signaling
- Voltage switch failed
- Card communication error
Trying basic card detection...
OCR: 0x 0
Flags: 0x 0
Hi @MikeAtPhantom ,
Thank you so much for your interest in our products and for using our community.
Please carefully check the readme file.
I did a test for you, the SDK demo runs okay.
HW: MIMXRT700-EVK JP65 1-2 connected
SW: mimxrt700evk_sdcard_fatfs_freertos_cm33_core0
SD: SanDisk Ultra 32G
Please use Recommend SD Cards , and try to run the example again.
Best Regards
MayLiu