參數(shù)資料
型號: SCF5250PV120
廠商: Motorola, Inc.
英文描述: SCF5250 Integrated ColdFire Microprocessor
中文描述: SCF5250提供了集成的ColdFire微處理器
文件頁數(shù): 35/48頁
文件大?。?/td> 767K
代理商: SCF5250PV120
Electrical Characteristics
SCF5250 Integrated ColdFire Microprocessor Data Sheet, Rev. 1.1
Freescale Semiconductor
35
Figure 10. General-Purpose Parallel Port Timing Definition
Table 29. IEEE 1149.1 (JTAG) AC Timing Specifications
Num
Characteristic
Units
Min
Max
-
TCK Frequency of Operation
0
10
MHz
J1
TCK Cycle Time
100
-
nSec
J2a
TCK Clock Pulse High Width
25
-
nSec
J2b
TCK Clock Pulse Low Width
25
-
nSec
J3a
TCK Fall Time
(V
IH
=2.4 V to V
IL
=0.5 V)
5
nSec
J3b
TCK Rise Time
(V
IL
=0.5 v to V
IH
=2.4 V)
5
nSec
J4
TDI, TMS to TCK rising (Input Setup)
8
nSec
J5
TCK rising to TDI, TMS Invalid (Hold)
10
nSec
J6
Boundary Scan Data Valid to TCK (Setup)
tbd
nSec
J7
TCK to Boundary Scan Data Invalid to rising edge (Hold)
tbd
nSec
J8
TRST Pulse Width
(asynchronous to clock edges)
12
nSec
J9
TCK falling to TDO Valid
(signal from driven or three-state)
15
nSec
J10
TCK falling to TDO High Impedance
15
nSec
J11
TCK falling to Boundary Scan Data Valid
(signal from driven or three-state)
tbd
nSec
BCLK
GPIO IN
GPIO OUT
P1
P2
P4
P3
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