Digi NS7520B-1-C36 Hardware Reference Manual page 305

jtag bscan timing parameters
Num Description
62 TCK to TDO valid
63 TCK to TDO HighZ
64 TDI setup to TCK rising
65 TDI hold from TCK rising
66 TRST* width
68 TMS setup to TCK rising
69 TMS hold to TCK rising
jtag bscan timing diagram
TCK
TDO
TDI
TRST_
TMS
Min
1
3
1
1
3
62
65
64
69
68
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E l e c t r i c a l C h a r a c t e r i s t i c s
Max Units
21 ns
21 ns
ns
ns
T
TCK
ns
ns
63
66 66
2 9 3