參數(shù)資料
型號(hào): MK20X512VLQ100R
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: RISC MICROCONTROLLER, PQFP144
封裝: 20 X 20 MM, LQFP-144
文件頁數(shù): 15/67頁
文件大?。?/td> 997K
代理商: MK20X512VLQ100R
Table 11. JTAG electricals (continued)
Symbol
Description
Min.
Max.
Unit
J3
TCLK clock pulse width
JTAG and CJTAG
Serial Wire Debug
20
10
ns
J4
TCLK rise and fall times
3
ns
J5
Boundary scan input data setup time to TCLK rise
20
ns
J6
Boundary scan input data hold time after TCLK rise
0
ns
J7
TCLK low to boundary scan output data valid
30
ns
J8
TCLK low to boundary scan output high-Z
30
ns
J9
TMS, TDI input data setup time to TCLK rise
16
ns
J10
TMS, TDI input data hold time after TCLK rise
1
ns
J11
TCLK low to TDO data valid
4
ns
J12
TCLK low to TDO high-Z
4
ns
J13
TRST assert time
100
ns
J14
TRST setup time (negation) to TCLK high
8
ns
J2
J3
J4
TCLK (input)
Figure 5. Test clock input timing
Peripheral operating requirements and behaviors
K20 Sub-Family Data Sheet Data Sheet, Rev. 1, 11/2010.
22
Preliminary
Freescale Semiconductor, Inc.
Preliminary
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