SPC5668EF1AVMG datasheet(59/66 Pages) FREESCALE

Part #	SPC5668EF1AVMG

Description	MPC5668x Microcontroller Data Sheet

PDF	66 Pages

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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Electrical Characteristics

MPC5668x Microcontroller Data Sheet, Rev. 6

Freescale Semiconductor

4.14.8.3

MII Async Inputs Signal Timing (CRS and COL)

Figure 28. MII Async Inputs Timing Diagram

4.14.8.4

MII Serial Management Channel Timing (MDIO and MDC)

The FEC functions correctly with a maximum MDC frequency of 2.5 MHz.

Table 35. MII Async Inputs Signal Timing1

1 Output pads configured with SRC = 0b11.

Spec

Characteristic

Min

Max

Unit

CRS, COL minimum pulse width

1.5

—

TX_CLK period

Table 36. MII Serial Management Channel Timing1

1 Output pads configured with SRC = 0b11.

Spec

Characteristic

Min

Max

Unit

M10

MDC falling edge to MDIO output invalid (minimum propagation delay)

—

M11

MDC falling edge to MDIO output valid (max prop delay)

—

M12

MDIO (input) to MDC rising edge setup

—

M13

MDIO (input) to MDC rising edge hold

—

M14

MDC pulse width high

40%

60%

MDC period

M15

MDC pulse width low

40%

60%

MDC period

CRS, COL

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