參數(shù)資料
型號: ZL50119
廠商: Zarlink Semiconductor Inc.
英文描述: 32, 64 and 128 Channel CESoP Processors
中文描述: 32,64和128頻道CESoP處理器
文件頁數(shù): 86/95頁
文件大?。?/td> 1157K
代理商: ZL50119
ZL50115/16/17/18/19/20
Data Sheet
86
Zarlink Semiconductor Inc.
12.9 JTAG Interface Timing
Note 1:
JTAG_TRST is an asynchronous signal. The setup time is for test purposes only.
Note 2:
Non Test (other than JTAG_TDI and JTAG_TMS) signal input timing with respect to JTAG_CLK.
Note 3:
Non Test (other than JTAG_TDO) signal output with respect to JTAG_CLK.
Figure 44 - JTAG Signal Timing
Parameter
Symbol
Min.
Typ.
Max.
Units
Notes
JTAG_CLK period
t
JCP
t
LOW,
t
HIGH
t
JRF
t
RSTSU
40
100
ns
JTAG_CLK clock pulse width
20
-
-
ns
JTAG_CLK rise and fall time
0
-
3
ns
JTAG_TRST setup time
10
-
-
ns
With respect to
JTAG_CLK
falling edge.
Note 1
JTAG_TRST assert time
t
RST
t
JSU
t
JH
t
JDV
t
JZ
10
-
-
ns
Input data setup time
5
-
-
ns
Note 2
Input Data hold time
15
-
-
ns
Note 2
JTAG_CLK to Output data valid
0
-
20
ns
Note 3
JTAG_CLK to Output data high
impedance
0
-
20
ns
Note 3
JTAG_TMS, JTAG_TDI setup time
t
TPSU
t
TPH
t
TOPDV
t
TPZ
5
-
-
ns
JTAG_TMS, JTAG_TDI hold time
15
-
-
ns
JTAG_TDO delay
0
-
15
ns
JTAG_TDO delay to high
impedance
0
-
15
ns
Table 38 - JTAG Interface Timing
Don't Care
DC
HiZ
HiZ
t
TPZ
t
TOPDV
t
TPH
t
TPSU
t
TPH
t
TPSU
t
JCP
t
LOW
t
HIGH
JTAG_TCK
JTAG_TMS
JTAG_TDI
JTAG_TDO
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