scf5249 Freescale Semiconductor, Inc, scf5249 Datasheet - Page 43

• Manufacturer Part Number: scf5249
• Description: Scf5249 Integrated Coldfire
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
Num
J2a
J2b
J3a
J3b
J1
J4
J5
J6
J7
-
Num
P3
P4
TCK Frequency of Operation
TCK Cycle Time
TCK Clock Pulse High Width
TCK Clock Pulse Low Width
TCK Fall Time
(V
TCK Rise Time
(V
TDI, TMS to TCK rising (Input Setup)
TCK rising to TDI, TMS Invalid (Hold)
Boundary Scan Data Valid to TCK (Setup)
TCK to Boundary Scan Data Invalid to rising edge (Hold)
Table 29. General-Purpose I/O Port AC Timing Specifications
IH
IL
SCF5249 Integrated ColdFire® Microprocessor Data Sheet, Rev. 3
Figure 15. General-Purpose Parallel Port Timing Definition
=0.5 v to V
=2.4 V to V
SCLK to GPIO Valid (output valid)
SCLK to GPIO Invalid (output hold)
Table 30. IEEE 1149.1 (JTAG) AC Timing Specifications
GPIO OUT
IH
GPIO IN
IL
=2.4 V)
=0.5 V)
SCLK
Characteristic
Characteristic
P2
P4
P1
Min
tbd
—
Min
100
P3
tbd
tbd
25
25
10
—
—
0
8
Max
tbd
—
Max
10
—
—
—
—
5
5
-
-
-
Units
nSec
nSec
Electrical Characteristics
Units
nSec
nSec
nSec
nSec
nSec
nSec
nSec
nSec
nSec
MHz
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