PPC8567CVTAQGGA datasheet(27/139 Pages) FREESCALE

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MPC8568E/MPC8567E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 1

Freescale Semiconductor

Ethernet Interface and MII Management

Specification Version 1.2 (3/20/1998). The electrical characteristics for MDIO and MDC are specified in

Section 8, “Ethernet Interface and MII Management.”

8.1.1

Ethernet Interface DC Electrical Characteristics

All GMII, MII, TBI, RGMII, RMII and RTBI drivers and receivers comply with the DC parametric

attributes specified in Table 23 and Table 24. The potential applied to the input of a GMII, MII, TBI,

RGMII, RMII or RTBI receiver may exceed the potential of the receiver’s power supply (that is, a GMII

driver powered from a 3.6-V supply driving VOH into a GMII receiver powered from a 2.5-V supply).

Tolerance for dissimilar GMII driver and receiver supply potentials is implicit in these specifications. The

RGMII and RTBI signals are based on a 2.5-V CMOS interface voltage as defined by JEDEC

EIA/JESD8-5.

Table 23. GMII, MII, RMII, and TBI DC Electrical Characteristics

Parameter

Symbol

Min

Max

Unit

Notes

Supply voltage 3.3 V

LVDD

TVDD

3.135

3.465

1, 2

Output high voltage

(LVDD/TVDD = Min, IOH = –4.0 mA)

VOH

2.40

LVDD/TVDD + 0.3

—

Output low voltage

(LVDD/TVDD = Min, IOL = 4.0 mA)

VOL

GND

0.50

—

Input high voltage

VIH

2.0

LVDD/TVDD + 0.3

—

Input low voltage

VIL

–0.3

0.90

—

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