Answers Database
Virtex JTAG - TAP Advanced Timing Charecteristics
Record #5147
Product Family: Hardware
Product Line: Virtex
Product Part: Virtex General Hardware
Problem Title:
Virtex JTAG - TAP Advanced Timing Charecteristics
Problem Description:
Urgency: standard
General Description:
What are the timing characteristics for the Virtex JTAG Tap controller?
Solution 1:
The Virtex timing(advanced) for the JTAG TAP:
Tms or Tdi set-up w/respect to Tck: 4ns
Tms or Tdi hold w/respect to Tck: 2ns
Tck-to-Tdo (Tdo clocked on falling edge of Tck): 11ns
Max Tck frequency: 33MHz
End of Record #5147 - Last Modified: 01/06/00 16:00 | 
