MPC8378CVRALDA datasheet(24/126 Pages) FREESCALE

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MPC8378E PowerQUICC™ II Pro Processor Hardware Specifications, Rev. 2

Freescale Semiconductor

Ethernet: Enhanced Three-Speed Ethernet (eTSEC)

8.2.1

MII, RMII, RGMII, and RTBI DC Electrical Characteristics

MII and RMII drivers and receivers comply with the DC parametric attributes specified in Table 23 and

Table 24. The RGMII and RTBI signals in Table 24 are based on a 2.5 V CMOS interface voltage as

defined by JEDEC EIA/JESD8-5.

Table 23. MII and RMII DC Electrical Characteristics

Parameter

Symbol

Min

Max

Unit

Notes

Supply voltage 3.3 V

LVDD1

LVDD2

3.13

3.47

Output high voltage

(LVDD1/LVDD2 = Min, IOH = –4.0 mA)

VOH

2.40

LVDD1/LVDD2 + 0.3

—

Output low voltage

(LVDD1/LVDD2 = Min, IOL = 4.0 mA)

VOL

GND

0.50

—

Input high voltage

VIH

2.0

LVDD1/LVDD2 + 0.3

—

Input low voltage

VIL

–0.3

0.90

—

Input high current

(VIN = LVDD1, VIN = LVDD2)

IIH

—30

μA

Input low current

(VIN = GND)

IIL

–600

—

μA—

Note:

1. LVDD1 supports eTSEC 1.

LVDD2 supports eTSEC 2.

Table 24. RGMII and RTBI DC Electrical Characteristics

Parameter

Symbol

Min

Max

Unit

Notes

Supply voltage 2.5 V

LVDD1

LVDD2

2.37

2.63

1, 2

Output high voltage

(LVDD1/LVDD2 = Min, IOH = –1.0 mA)

VOH

2.00

LVDD1/LVDD2 + 0.3

—

Output low voltage

(LVDD1/LVDD2 = Min, IOL = 1.0 mA)

VOL

GND – 0.3

0.40

—

Input high voltage

VIH

2.0

LVDD1/LVDD2 + 0.3

—

Input low voltage

VIL

–0.3

0.70

—

Input high current

(VIN = LVDD1, VIN = LVDD2)

IIH

—–20

μA1, 2

Input low current

(VIN = GND)

IIL

–20

—

μA—

Note:

1 LV

DD1 supports eTSEC 1.

2 LV

DD2 supports eTSEC 2.

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