PROGRAM_B Pin - PROGRAM_B Pin - UG860

Spartan UltraScale+ FPGAs Configuration User Guide (UG860)

Document_ID
UG860
Release_Date
2026-07-27
Revision
v1.3 English

The PROGRAM_B pin re-configures the FPGA and is often tied to a push button for easy access. The pin must be held High during the configuration process.