How use SDMMC3

We are designing a carrier board for Xavier NX module. There is no SDMMC on the production moudel, right? So, we must design it on our base board. From the datasheet of Xavier NX, the pins we should use will be:

I’m confused by the pin type, what ‘1.8V/3.3V’ mean? Does it mean, the module can work with both 1.8V and 3.3V?


They are 1.8V pins with 3.3V tolerance.

1 Like