mpc5553 Freescale Semiconductor, Inc, mpc5553 Datasheet - Page 48

• Manufacturer Part Number: mpc5553
• Description: Mpc5553 High Performance Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Electrical Characteristics
3.14.3
Table 30
Figure 31
3.14.4
Table 31
FEC_MDC frequency of 2.5 MHz.
Figure 32
48
Spec
Spec
10
11
12
13
14
15
9
FEC_MDC falling-edge to FEC_MDIO output invalid
(minimum propagation delay)
FEC_MDC falling-edge to FEC_MDIO output valid
(maximum propagation delay)
FEC_MDIO (input) to FEC_MDC rising-edge setup
FEC_MDIO (input) to FEC_MDC rising-edge hold
FEC_MDC pulse-width high
FEC_MDC pulse-width low
lists MII FEC serial management channel timings. The FEC functions correctly with a maximum
lists MII FEC asynchronous input signal timing.
FEC_CRS, FEC_COL minimum pulse width
shows MII FEC asynchronous input timing listed in
shows MII FEC serial management channel timings listed in
MII FEC Asynchronous Inputs Signal Timing
FEC_CRS and FEC_COL
MII FEC Serial Management Channel Timing
FEC_MDIO and FEC_MDC
FEC_CRS, FEC_COL
Figure 31. MII FEC Asynchronous Inputs Timing Diagram
Table 30. MII FEC Asynchronous Inputs Signal Timing
Table 31. MII FEC Serial Management Channel Timing
Characteristic
Characteristic
MPC5553 Microcontroller Data Sheet, Rev. 2.0
M9
Table
40%
40%
Min
10
—
0
0
Min
1.5
30.
Table
60%
60%
Max
25
—
—
—
31.
Max
—
Freescale Semiconductor
FEC_MDC period
FEC_MDC period
FEC_TX_CLK period
Unit
ns
ns
ns
ns
Unit