mpc850de Freescale Semiconductor, Inc, mpc850de Datasheet - Page 54

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

SMC Transparent AC Electrical Specifications
8.8
Figure 21 provides the SMC transparent timings as shown in Figure 56.
54
SMC Transparent AC Electrical Specifications
1
Num
151a
150
151
152
153
154
155
The ratio SyncCLK/SMCLKx must be greater or equal to 2/1.
SMCLKx clock period
SMCLKx width low
SMCLKx width high
SMCLKx rise/fall time
SMTXDx active delay (from SMCLKx falling edge)
SMRXDx/SMSYNx setup time
SMRXDx/SMSYNx hold time
Table 21. Serial Management Controller Timing
MPC850 (Rev. A/B/C) Hardware Specifications
Figure 55. Ethernet Transmit Timing Diagram
Characteristic
1
All Frequencies
100.00
50.00
50.00
10.00
20.00
5.00
Min
—
15.00
50.00
Max
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
MOTOROLA