MCF5207 FREESCALE [Freescale Semiconductor, Inc], MCF5207 Datasheet - Page 38
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MCF5207
Manufacturer Part Number
MCF5207
Description
Microprocessor Data Sheet
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MCF5207.pdf
(46 pages)
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Preliminary Electrical Characteristics
5.11.4 MII Serial Management Channel Timing (FEC_MDIO and
Table 19
MDC frequency of 2.5 MHz.
Figure 27
38
Num
M10 FEC_MDC falling edge to FEC_MDIO output invalid (minimum
M11 FEC_MDC falling edge to FEC_MDIO output valid (max prop delay)
M12 FEC_MDIO (input) to FEC_MDC rising edge setup
M13 FEC_MDIO (input) to FEC_MDC rising edge hold
M14 FEC_MDC pulse width high
M15 FEC_MDC pulse width low
FEC_MDIO (output)
lists MII serial management channel timings. The FEC functions correctly with a maximum
FEC_MDC (output)
FEC_MDIO (input)
shows MII serial management channel timings listed in
FEC_MDC)
propagation delay)
FEC_CRS
FEC_COL
Figure 27. MII Serial Management Channel Timing Diagram
MCF5208 ColdFire
Table 19. MII Serial Management Channel Timing
Figure 26. MII Async Inputs Timing Diagram
Characteristic
M12
®
Microprocessor Data Sheet, Rev. 0.5
M13
Preliminary
M14
M9
M10
M11
Table
M15
19.
40% 60% FEC_MDC period
40% 60% FEC_MDC period
Min
10
—
0
0
Max
25
—
—
—
Freescale Semiconductor
Unit
ns
ns
ns
ns