Digi NS7520 User Manual
T i m i n g D i a g r a m s
2 9 8
N S 7 5 2 0 H a r d w a r e R e f e r e n c e , R e v . D 0 3 / 2 0 0 6
JTAG timing
Operating conditions:
jtag arm ice timing parameters
jtag arm ice timing diagram
Temperature:
-15.00 (min)
110.00 (max)
Voltage:
1.60 (min)
1.40 (max)
Output load:
25.0pf
Input drive:
CMOS buffer
Num
Description
Min
Max
Units
54
TCK to TDO valid
21
ns
55
TCK to TDO HighZ
21
ns
56
TDI setup to TCK rising
1
ns
57
TDI hold from TCK rising
3
ns
58
TRST* width
1
T
TCK
60
TMS setup to TCK rising
1
ns
61
TMS hold from TCK rising
3
ns
61
60
57
56
55
54
58
58
TCK
TDO
TDI
TRST_
TMS