mcf5274l Freescale Semiconductor, Inc, mcf5274l Datasheet - Page 65

• Manufacturer Part Number: mcf5274l
• Description: Mcf5275 Integrated Microprocessor Family Hardware
• Manufacturer: Freescale Semiconductor, Inc

10.11.3MII Async Inputs Signal Timing (FECn_CRS and FECn_COL)
Table 56
Figure 19
10.11.4MII Serial Management Channel Timing (FECn_MDIO and
Table 57
MDC frequency of 2.5 MHz.
Freescale Semiconductor
Num
M9
Num
M10 FECn_MDC falling edge to FECn_MDIO output invalid (minimum
M11 FECn_MDC falling edge to FECn_MDIO output valid (max prop delay) —
M12 FECn_MDIO (input) to FECn_MDC rising edge setup
M13 FECn_MDIO (input) to FECn_MDC rising edge hold
lists MII asynchronous inputs signal timing.
lists MII serial management channel timings. The FEC functions correctly with a maximum
shows MII asynchronous input timings listed in
FECn_TXD[3:0] (outputs)
FECn_TXEN
FECn_TXER
FECn_MDC)
FECn_TXCLK (input)
FECn_CRS, FECn_COL minimum pulse width
propagation delay)
MCF5275 Integrated Microprocessor Family Hardware Specification, Rev. 1.1
FECn_CRS, FECn_COL
Table 57. MII serial management channel timings.
Table 56. MII asynchronous input signal timing
Figure 18. MII Transmit Signal Timing Diagram
Figure 19. MII Async Inputs Timing Diagram
Characteristic
Characteristic
M5
M6
Preliminary
M7
M9
Table
56.
1.5
M8
Min
Preliminary Electrical Characteristics
—
0
10
0
Min
Max
—
25
—
—
Max
FECn_TXCLK
period
ns
ns
ns
ns
Unit
Unit
65