I haven't tried a SDXC card on TMS570 HDK. I think it should work if it supports SPI mode. Because SDXC uses a different file system called exFAT and it works differently than standard SD cards and ...

The formula for calculating capacity in SDHC and SDXC cards. To achieve these larger sizes, the CSD register was entirely reworked for SDHC cards. The main C_SIZE field was expanded to 22 bits ...

In the years since then there have been a couple of revisions to the standard, SDHC, and SDXC, which have given us the huge cards we are used to today. Many other devices from the 2Gb SD era ...

This card reader also supports SDHC, SDXC, RS-MMC, MMC, Micro SD, Micro SDHC, Micro SDXC and UHS-I cards in large capacity up to 512GB. So you can connect the card reader with your USB Type-C ...