MPC8569E datasheet(74/127 Pages) FREESCALE

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MPC8569E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 1

Ethernet Management Interface

Freescale Semiconductor

The following figure shows the data and command input AC timing diagram.

Figure 33. QUICC Engine Block IEEE 1588 Input AC Timing (SOF TRIG)

2.7

Ethernet Management Interface

The electrical characteristics specified in this section apply to the MII management interface signals management data

input/output (MDIO) and management data clock (MDC). The electrical characteristics for GMII, RGMII, TBI, and RTBI are

specified in Section 2.6, “Ethernet Interface.”

2.7.1

MII Management DC Electrical Characteristics

The MDC and MDIO are defined to operate at a supply voltage of 3.3 V. The following table provides the DC electrical

characteristics for MDIO and MDC.

Table 42. MII Management DC Electrical Characteristics

At recommended operating conditions with LVDD = 3.3 V

Parameter

Symbol

Min

Max

Unit

Notes

Input high voltage

VIH

2.0

—

Input low voltage

VIL

—0.90

—

Input high current (LVDD = Max, VIN = 2.1 V)

IIH

—40

μA1

Input low current (LVDD = Max, VIN = 0.5 V)

IIL

–600

—

μA1

Output high voltage (LVDD = Min, IOH = –4.0 mA)

VOH

2.4

—

Output low voltage (LVDD = Min, IOL = 4.0 mA)

VOL

—0.4

—

Note:

1. The symbol VIN, in this case, represents the LVIN symbol referenced in Table 2 and Table 3.

TX_CLK/RX_CLK

QE_PTP_SOF_TX_IN/

tTTX/RXCLK

QE_PTP_SOF_RX_IN

tT1588TRIGH

tT1588CLKH

MPC8569E Datasheet(PDF) 74 Page - Freescale Semiconductor, Inc

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