CPM Electrical Characteristics
TCK
J92
J93
J94
Output
Signals
Output
Signals
J95
J96
Output
Signals
Figure 10-37. Boundary Scan (JTAG) Timing Diagram
Part XI CPM Electrical Characteristics
This section provides the AC and DC electrical specifications for the communications
processor module (CPM) of the MPC860.
11.1 PIP/PIO AC Electrical Specifications
Table 11-13 provides the PIP/PIO AC timings as shown in Figure 11-38 through
Figure 11-42.
Table 11-13. PIP/PIO Timing
All Frequencies
Num
Characteristic
Unit
Min
Max
21
22
23
24
25
26
27
28
29
30
31
Data-in setup time to STBI low
0
2.5 – t3
1.5
—
—
—
—
—
—
2
ns
CLK
CLK
ns
1
Data-In hold time to STBI high
STBI pulse width
STBO pulse width
1 CLK – 5 ns
Data-out setup time to STBO low
Data-out hold time from STBO high
STBI low to STBO low (Rx interlock)
STBI low to STBO high (Tx interlock)
Data-in setup time to clock high
Data-in hold time from clock high
Clock low to data-out valid (CPU writes data, control, or direction)
2
5
CLK
CLK
CLK
CLK
ns
—
2
—
—
—
25
15
7.5
—
ns
ns
1
t3 = Specification 23.
MOTOROLA
MPC860 Family Hardware Specifications
43
MOTOROLA [ MOTOROLA ]
