Datasheet

Electrical and Thermal Characteristics
MPC5121E/MPC5123 Data Sheet, Rev. 5
Freescale Semiconductor 61
Figure 39. Ethernet Timing Diagram – MII Serial Management
2
The MDC period must be set to a value of less than or equal to 2.5 MHz (to be compliant with the IEEE MII
characteristic) by programming the FEC MII_SPEED control register. See the MPC5121e/MPC5123 Reference
Manual.
MDC (Output)
MDIO (Input)
MDIO (Output)
10
11 12
13
14
15