Xilinx Platform Cable USB II Manual page 25

X-Ref Target - Figure 26
Figure 26: TDO Sampling Example at 12 MHz (TDO Propagation Delay)
DS593 (v1.2.1) March 17, 2011
Negative TCK transition at G1 causes target device to
change TDO state, which propagates to the cable at G2 in
less than ½ clock cycle in this 12-MHz example.
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Platform Cable USB II
DS593_26_021408
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