ZL50410 Datasheet, PDF (135/138 Pages) Zarlink Semiconductor Inc – Managed 8-Port 10/100M + 1-Port 10/100/1000M Ethernet Switch

13.4.11 JTAG (IEEE 1149.1-2001)
TCK
ZL50410
TMS, TDI
J1
J2
TDO
J3-max
J3-min
Data Sheet
Figure 30 - JTAG Timing Diagram
Symbol
Parameter
TCK frequency of operation
TCK cycle time
TCK clock pulse width
TRST# assert time
J1
TMS, TDI data setup time
J2
TMS, TDI data hold time
J3
TCK to TDO data valid
Min.
0
20
10
20
3
7
0
Typ.
10
Max. Units
Note:
50 MHz
ns
ns
-
ns TRST is an
asynchronous signal
ns
ns
15
ns
135
Zarlink Semiconductor Inc.