JTAG Configuration Register - JTAG Configuration Register - UG860

Spartan UltraScale+ FPGAs Configuration User Guide (UG860)

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

The JCONFIG instruction enables a write-only connection from the TDI pin to the internal configuration bus with the JTAG configuration register.