Table 4: Switching Characteristics (cont'd)
Symbol Description Conditions Min. Max. Unit
T
CHU
Cable Hold Time (TDO relative to the negative
edge of TCK)
V
REF
= 1.2V to 3.3V 1 - ns
Figure 8: SmartLynq+ Module Timing Diagram
Target devices sample TMS and TDI
on the rising edge of TCK
T
CLK
T
TSU
T
CPD
TCK
TMS
TDI
SmartLynq+ Module
asserts TMS and TDI
on the falling edge of TCK
Target device asserts TDO
on the falling edge of TCK
TDO
T
CHU
X25128-021621
Chapter 7: JTAG Target Interface
UG1514 (v1.0) March 8, 2021 www.xilinx.com
SmartLynq Module+ 24