mpc8308 Freescale Semiconductor, Inc, mpc8308 Datasheet - Page 53

• Manufacturer Part Number: mpc8308
• Description: Mpc8308 Powerquicc Ii Pro Processor Hardware Specification
• Manufacturer: Freescale Semiconductor, Inc

14 JTAG
This section describes the DC and AC electrical specifications for the IEEE Std 1149.1™ (JTAG)
interface.
14.1
Table 41
14.2
This section describes the AC electrical specifications for the IEEE 1149.1 (JTAG) interface.
Table 42
Freescale Semiconductor
At recommended operating conditions (see
JTAG external clock frequency of operation
JTAG external clock pulse width measured at 1.4 V
JTAG external clock rise and fall times
Input setup times:
Valid times:
JTAG external clock cycle time
TRST assert time
Input hold times:
Input high voltage
Input low voltage
Input current
Output high voltage
Output low voltage
Output low voltage
provides the DC electrical characteristics for the IEEE 1149.1 (JTAG) interface.
provides the JTAG AC timing specifications as defined in
JTAG DC Electrical Characteristics
JTAG AC Timing Specifications
Table 42. JTAG AC Timing Specifications (Independent of SYS_CLK_IN)
Characteristic
Parameter
MPC8308 PowerQUICC II Pro Processor Hardware Specification, Rev. 1
Table 41. JTAG Interface DC Electrical Characteristics
Boundary-scan data
Boundary-scan data
Boundary-scan data
Table
2).
TMS, TDI
TMS, TDI
Symbol
TDO
V
V
V
V
V
I
OH
OL
IN
OL
IH
IL
t
JTGR
Symbol
t
t
t
t
t
t
t
JTKHKL
JTDVKH
JTDXKH
JTKLOV
JTKLDV
JTIVKH
JTIXKH
t
t
I
f
TRST
OH
I
JTG
I
JTG
OL
OL
& t
Condition
= –8.0 mA
JTGF
= 3.2 mA
= 8.0 mA
2
—
—
—
Min
30
15
25
10
10
Figure 41
0
0
4
4
2
2
–0.3
Min
2.1
2.4
—
—
through
Max
33.3
11
11
—
—
—
—
—
—
—
2
NV
DD
Max
0.8
0.5
0.4
±5
—
+ 0.3
Figure
1
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
Unit
μA
V
V
V
V
V
44.
Notes
—
—
—
—
3
4
4
5
JTAG
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