Digi NS7520 User Manual
w w w . d i g i . c o m
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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
jtag bscan timing parameters
jtag bscan timing diagram
Num
Description
Min
Max
Units
62
TCK to TDO valid
21
ns
63
TCK to TDO HighZ
21
ns
64
TDI setup to TCK rising
1
ns
65
TDI hold from TCK rising
3
ns
66
TRST* width
1
T
TCK
68
TMS setup to TCK rising
1
ns
69
TMS hold to TCK rising
3
ns
69
68
65
64
63
62
66
66
TCK
TDO
TDI
TRST_
TMS