MPC870 FREESCALE [Freescale Semiconductor, Inc], MPC870 Datasheet - Page 41

• Manufacturer Part Number: MPC870
• Description: Hardware Specifications
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Bus Signal Timing
Table 14
Figure 31
Figure 32
41
Num
D61
D62
D63
D64
D65
D66
D67
shows the debug port timing for the MPC875/870.
provides the input timing for the debug port clock.
provides the timing for the debug port.
DSCK
DSDO
DSCK
DSDI
DSCK cycle time
DSCK clock pulse width
DSCK rise and fall times
DSDI input data setup time
DSDI data hold time
DSCK low to DSDO data valid
DSCK low to DSDO invalid
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
MPC875/MPC870 Hardware Specifications, Rev. 3.0
D63
Figure 31. Debug Port Clock Input Timing
D61
Characteristic
D66
D61
Figure 32. Debug Port Timings
Table 14. Debug Port Timing
D64
D67
D62
D65
D62
1.25 × T
3 × T
D63
All Frequencies
CLOCKOUT
0.00
8.00
5.00
0.00
0.00
Min
CLOCKOUT
Freescale Semiconductor
15.00
Max
3.00
2.00
Unit
ns
ns
—
—
ns
ns
ns