mpc850de Freescale Semiconductor, Inc, mpc850de Datasheet - Page 35

• Manufacturer Part Number: mpc850de
• Description: Mpc850 Rev. A/b/c Communications Controller
• Manufacturer: Freescale Semiconductor, Inc

Table 10 shows the debug port timing for the MPC850.
Figure 29 provides the input timing for the debug port clock.
Figure 30 provides the timing for the debug port.
MOTOROLA
Num
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
Characteristic
MPC850 (Rev. A/B/C) Hardware Specifications
Figure 29. Debug Port Clock Input Timing
Figure 30. Debug Port Timings
Table 10. Debug Port Timing
60.00
25.00
0.00
8.00
5.00
0.00
0.00
Min
50 MHz
15.00
Max
3.00
2.00
—
—
—
—
91.00
38.00
0.00
8.00
5.00
0.00
0.00
Min
66 MHz
15.00
Max
3.00
2.00
—
—
—
—
75.00
31.00
0.00
8.00
5.00
0.00
0.00
Min
80 MHz
Layout Practices
15.00
Max
3.00
2.00
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
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