MC68LC040RC25A Datasheet, PDF (141/442 Pages) Freescale Semiconductor, Inc – M68040 Users Manual

Freescale Semiconductor, Inc.
JTAG Timing Specifications (All Operating Frequencies)
Num
1
2
3
4
5
6
7
8
9
10
11
12
13
Characteristic
TCK Frequency of Operation
TCK Cycle Time
TCK Clock Pulse Width Measured at 1.5 V
TCK Rise and Fall Times
TRST Setup Time to TCK Falling Edge
TRST Assert Time
Boundary Scan Input Data Setup Time
Boundary Scan Input Data Hold Time
TCK to Output Data Valid
TCK to Output High Impedance
TMS, TDI Data Setup Time
TMS, TDI Data Hold Time
TCK to TDO Data Valid
TCK to TDO High Impedance
Min
Max
Unit
0
10
MHz
100
—
ns
40
—
ns
0
10
ns
40
—
ns
100
—
ns
50
—
ns
50
—
ns
0
50
ns
0
50
ns
20
—
ns
5
—
ns
0
20
ns
0
20
ns
VIH
VIL
3
1
2
2
VM
VM
3
Figure 6-8. Clock Input Timing Diagram
TCK
VIH
4
TRST
5
Figure 6-9. TRST Timing Diagram
6-22
M68040 USER’S MANUAL
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