MPC8640D datasheet(28/140 Pages) FREESCALE

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MPC8640 and MPC8640D Integrated Host Processor Hardware Specifications, Rev. 1

Freescale Semiconductor

Ethernet: Enhanced Three-Speed Ethernet (eTSEC), MII Management

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, TBI and FIFO DC Electrical Characteristics

Parameter

Symbol

Min

Max

Unit

Notes

Supply voltage 3.3 V

LVDD

TVDD

3.135

3.465

1, 2

LVDD supports eTSECs 1 and 2.

TVDD supports eTSECs 3 and 4.

Output high voltage

(LVDD/TVDD = Min, IOH = –4.0 mA)

VOH

2.40

—

Output low voltage

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

VOL

—0.50

Input high voltage

VIH

2.0

—

Input low voltage

VIL

—0.90

Input high current

(VIN = LVDD, VIN = TVDD)

IIH

—40

μA

1, 2, 3

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

Input low current

(VIN = GND)

IIL

–600

—

μA

Notes:

Table 24. GMII, RGMII, RTBI, TBI and FIFO DC Electrical Characteristics

Parameters

Symbol

Min

Max

Unit

Notes

Supply voltage 2.5 V

LVDD/TVDD

2.375

2.625

1, 2

LVDD supports eTSECs 1 and 2.

TVDD supports eTSECs 3 and 4.

Output high voltage

(LVDD/TVDD = Min, IOH = –1.0 mA)

VOH

2.00

—

Output low voltage

(LVDD/TVDD = Min, IOL = 1.0 mA)

VOL

—0.40

Input high voltage

VIH

1.70

—

Input low voltage

VIL

—0.90

Input high current

(VIN = LVDD, VIN = TVDD)

IIH

—10

μA

1, 2, 3

Input low current

(VIN = GND)

IIL

–15

—

μA

Note:

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