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evkbimxrt1050_sdcard_fatfs_freertos example from SDK 2.6.0, how to change to just use voltage 3.3v only?

Question asked by Felix Shih on Jul 1, 2019
Latest reply on Jul 4, 2019 by Felix Shih

Use SD card example from SDK 2.6.0, test 4 SD card in EVK (support 1.8v and 3.3v) are all pass. To test in my custom board (just support 3.3V) is one pass but three fail. They all fail in command 11, SDMMC_SwitchToVoltage() function. 

How can I fix this example to just support 3.3v?