Solution - Solution

000033645 - Design Advisory for Versal ACAP, XPE/PDM – VCC_FUSE Power Sequencing Recommendation Change

Release Date
2026-07-27
Revision
1.0 English

Implementation

Refer to the AMD Power Design Manager (PDM) for the most recent guidance on power-supply sequencing and management, including VCC_FUSE. When supplied, VCC_FUSE must power up AFTER the PMC/LPD domain supplies. If eFUSE is not intended to be used, connect VCC_FUSE to GND to avoid accidental programming of the eFUSE OTP registers.

If programming flexibility is required, a load switch is recommended to connect/disconnect the VCC_FUSE rail from its voltage regulator as needed.

VCC_FUSE Load Switch Connect/Disconnect Example:

 
Contact your AMD FAE or file a Service Request for additional questions or assistance.