參數(shù)資料
型號: MCF5251_07
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: ColdFire㈢ Microprocessor Data Sheet
中文描述: ㈢的ColdFire微處理器的數(shù)據(jù)資料
文件頁數(shù): 17/32頁
文件大?。?/td> 299K
代理商: MCF5251_07
Electrical Specifications
MCF5253 ColdFire Processor Data Sheet: Technical Data, Rev. 2.2
Freescale Semiconductor
17
Figure 4. JTAG Timing Diagram
Table 15. JTAG Timing Parameters
ID
Characteristic
Min
Max
Units
TCK Frequency of Operation
0
10
MHz
J1
TCK Cycle Time
100
ns
J2A
TCK Clock Pulse High Width
25
ns
J2B
TCK Clock Pulse Low Width
25
ns
J3A
TCK Fall Time (V
IH
=2.4 V to V
IL
=0.5 V)
5
ns
J3B
TCK Rise Time (V
IL
=0.5 v to V
IH
=2.4 V)
5
ns
J4
TDI, TMS to TCK rising (Input Setup)
8
ns
J5
TCK rising to TDI, TMS Invalid (Hold)
10
ns
J6
Boundary Scan Data Valid to TCK (Setup)
1
ns
J7
TCK to Boundary Scan Data Invalid to rising edge (Hold)
10
ns
J8
TRST Pulse Width (asynchronous to clock edges)
12
ns
J9
TCK falling to TDO Valid (signal from driven or three-state)
15
ns
J10
TCK falling to TDO High Impedance
2
15
ns
TDI, TMS
TCK
J1
J2A
J4
J2B
J3A
J3B
J5
J6
J7
J1
J11
J9
J12
J10
Boundary Scan
Data
Input
Boundary Scan
Data
Output
TRST
TDO
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