MPC5567 View Datasheet(PDF) - Freescale Semiconductor
Part Name
Description
MFG CO.
'MPC5567' PDF : 56 Pages View PDF
Electrical Characteristics
3.14.3 MII Async Inputs Signal Timing (CRS and COL)
Table 30 lists MII asynchronous inputs signal timing.
Table 30. MII Async Inputs Signal Timing
Num
9
Characteristic
CRS, COL minimum pulse width
Min
Max
1.5
—
Unit
TX_CLK period
Figure 30 shows MII asynchronous input timings listed in Table 30.
CRS, COL
M9
Figure 30. MII Async Inputs Timing Diagram
3.14.4 MII Serial Management Channel Timing (MDIO and MDC)
Table 31 lists MII serial management channel timings. The FEC functions correctly with a maximum
MDC frequency of 2.5 MHz.
Table 31. MII Serial Management Channel Timing
Num
Characteristic
10 MDC falling edge to MDIO output invalid (minimum propagation delay)
11 MDC falling edge to MDIO output valid (max prop delay)
12 MDIO (input) to MDC rising edge setup
13 MDIO (input) to MDC rising edge hold
14 MDC pulse width high
15 MDC pulse width low
Min
0
—
10
0
40%
40%
Max
—
25
—
—
60%
60%
Unit
ns
ns
ns
ns
MDC period
MDC period
Figure 31 shows MII serial management channel timings listed in Table 31.
MPC5567 Microcontroller Data Sheet, Rev. 0
Freescale Semiconductor
Preliminary—Subject to Change Without Notice
47
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