MPC8349 View Datasheet(PDF) - Freescale Semiconductor
Part Name
Description
MFG CO.
MPC8349
Freescale Semiconductor
'MPC8349' PDF : 88 Pages View PDF
JTAG
11 JTAG
This section describes the DC and AC electrical specifications for the IEEE Std. 1149.1 (JTAG) interface
of the MPC8349E.
11.1 JTAG DC Electrical Characteristics
Table 36 provides the DC electrical characteristics for the IEEE Std. 1149.1 (JTAG) interface of the
MPC8349E.
Table 36. JTAG interface DC Electrical Characteristics
Characteristic
Input high voltage
Input low voltage
Input current
Output high voltage
Output low voltage
Output low voltage
Symbol
VIH
VIL
IIN
VOH
VOL
VOL
Condition
Min
Max
IOH = –8.0 mA
IOL = 8.0 mA
IOL = 3.2 mA
OVDD – 0.3 OVDD + 0.3
–0.3
0.8
±5
2.4
—
—
0.5
—
0.4
Unit
V
V
μA
V
V
V
11.2 JTAG AC Timing Specifications
This section describes the AC electrical specifications for the IEEE Std. 1149.1 (JTAG) interface of the
MPC8349E. Table 37 provides the JTAG AC timing specifications as defined in Figure 26 through
Figure 29.
Table 37. JTAG AC Timing Specifications (Independent of CLKIN)1
At recommended operating conditions (see Table 2).
Parameter
Symbol2
Min
Max
Unit
Notes
JTAG external clock frequency of operation
fJTG
0
JTAG external clock cycle time
t JTG
30
JTAG external clock pulse width measured at 1.4 V
tJTKHKL
15
JTAG external clock rise and fall times
tJTGR, tJTGF
0
TRST assert time
tTRST
25
Input setup times:
Boundary-scan data
tJTDVKH
4
TMS, TDI
tJTIVKH
4
Input hold times:
Boundary-scan data
tJTDXKH
10
TMS, TDI
tJTIXKH
10
Valid times:
Boundary-scan data
tJTKLDV
2
TDO
tJTKLOV
2
33.3
MHz
—
ns
—
ns
2
ns
—
ns
3
ns
—
4
—
ns
—
4
—
ns
11
5
11
MPC8349E PowerQUICC™ II Pro Integrated Host Processor Hardware Specifications, Rev. 10
Freescale Semiconductor
41
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