mpc2605 Micro Electronics Corporation, mpc2605 Datasheet - Page 24

• Manufacturer Part Number: mpc2605
• Description: Integrated Secondary Cache Powerpc Microprocessors
• Manufacturer: Micro Electronics Corporation

Input Timing Measurement Reference Level
Input Pulse Levels
Input Rise/Fall Time
NOTES:
MPC2605
24
TAP CONTROLLER TIMING
Cycle Time
Clock High Time
Clock Low Time
Clock Low to Output Valid
Clock Low to Output High–Z
Clock Low to Output Active
Setup Times:
Hold Times:
1. This parameter is sampled and not 100% tested.
2. TDO will High–Z from a clock low edge depending on the current state of the TAP state machine.
3. TDO is active only in the SHIFT–IR and SHIFT–DR state of the TAP state machine.
4. Transition is measured
MODE SELECT
TDO TEST
DATA OUT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TMS TEST
TCK TEST
TDI TEST
DATA IN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CLOCK
500 mV from steady–state voltage. This parameter is sampled and not 100% tested.
P
Parameter
AC OPERATING CONDITIONS AND CHARACTERISTICS
FOR THE TEST ACCESS PORT (IEEE 1149.1)
. . . . . . . . . . . . . . .
t S
(T J = 20 to + 110 C, Unless Otherwise Noted)
t CK
Figure 10. TAP Controller Timing
t CKH
t A
t H
0 to 3.0 V
t CKL
1.5 V
3 ns
JTAG
t SD
TMS
TMS
TDI
TDI
t HD
Output Measurement Timing Level
Output Load
S
Symbol
t CKZ
t CKH
t CKL
t CKZ
t CKX
t CK
t sd
t hd
t A
t s
t h
b l
. . . . . . . . . . . . . . . . . . . . . . . .
Min
30
12
12
5
0
0
2
2
MPC2605–66
t CKX
. . . . . . . . . . . . . . . . . . . . . . .
Max
—
—
—
—
—
9
9
9
50
Termination to 1.5 V
U i
Unit
ns
ns
ns
ns
ns
ns
ns
ns
MOTOROLA
N
Notes
3, 4
1
1
2
1
1
1.5 V