Boot Sequence Example

Versal ACAP Technical Reference Manual (AM011)

Document ID
AM011
Release Date
2022-04-26
Revision
1.4 English

After the boot up, the SEL pin is used to switch from 3.3V to 1.8V to operate at the highest speed modes of the SD cards. The SEL pin is automatically driven by the controller if configured in SD3.0.

The voltage translation function is implemented by an external voltage level translator.