mpc8309 Freescale Semiconductor, Inc, mpc8309 Datasheet - Page 50

• Manufacturer Part Number: mpc8309
• Description: Powerquicc Ii Pro Integrated Communications Processor Family Hardware Specifications
• Manufacturer: Freescale Semiconductor, Inc

JTAG
21.2
This section describes the AC electrical specifications for the IEEE Std. 1149.1 (JTAG) interface of the
MPC8309.
Figure
50
At recommended operating conditions (see
Input high voltage
Input low voltage
Input current
JTAG external clock frequency of operation
JTAG external clock cycle time
JTAG external clock pulse width measured at 1.4 V
JTAG external clock rise and fall times
TRST assert time
Input setup times:
Input hold times:
Valid times:
MPC8309 PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 0
43.
JTAG AC Electrical Characteristics
Table 54
Characteristic
Table 54. JTAG AC Timing Specifications (Independent of SYS_CLK_IN)
Parameter
Table 53. JTAG Interface DC Electrical Characteristics (continued)
provides the JTAG AC timing specifications as defined in
Boundary-scan data
Boundary-scan data
Boundary-scan data
Table
2).
TMS, TDI
TMS, TDI
Symbol
TDO
V
V
I
IN
IH
IL
t
JTGR
Symbol
t
t
t
t
t
t
t
0 V  V
JTDVKH
JTDXKH
JTKLOV
JTKHKL
JTKLDV
JTIVKH
JTIXKH
t
t
TRST
f
JTG
JTG
, t
Condition
JTGF
2
IN
—
—
 OV
DD
Min
30
25
10
10
11
0
0
4
4
2
2
–0.3
Min
2.0
—
Figure 40
Max
33.3
15
15
—
—
—
—
—
—
—
2
Freescale Semiconductor
OV
DD
1
Max
0.8
±5
through
MHz
Unit
+ 0.3
ns
ns
ns
ns
ns
ns
ns
Notes
Unit
A
—
—
—
—
V
V
3
4
4
5