MPC8347E datasheet(34/108 Pages) FREESCALE

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MPC8347EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 3

Freescale Semiconductor

8.3

Ethernet Management Interface Electrical Characteristics

The electrical characteristics specified here 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 8.1, “Three-Speed Ethernet Controller (TSEC)

—GMII/MII/TBI/RGMII/RTBI Electrical Characteristics.”

8.3.1

MII Management DC Electrical Characteristics

The MDC and MDIO are defined to operate at a supply voltage of 2.5 V or 3.3 V. The DC electrical

characteristics for MDIO and MDC are provided in Table 31 and Table 32.

Table 31. MII Management DC Electrical Characteristics Powered at 2.5 V

Parameter

Symbol

Conditions

Min

Max

Unit

Supply voltage (2.5 V)

LVDD

—2.37

2.63

Output high voltage

VOH

IOH = –1.0 mA

LVDD = Min

2.00

LVDD + 0.3

Output low voltage

VOL

IOL = 1.0 mA

LVDD = Min

GND - 0.3

0.40

Input high voltage

VIH

—LVDD = Min

1.7

—

Input low voltage

VIL

—LVDD = Min

-0.3

0.70

Input high current

IIH

VIN

1 = LV

—10

μA

Input low current

IIL

VIN = LVDD

-15

—

μA

Note:

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

Table 32. MII Management DC Electrical Characteristics Powered at 3.3 V

Parameter

Symbol

Conditions

Min

Max

Unit

Supply voltage (3.3 V)

LVDD

—2.97

3.63

Output high voltage

VOH

IOH = –1.0 mA

LVDD = Min

2.10

LVDD + 0.3

Output low voltage

VOL

IOL = 1.0 mA

LVDD = Min

GND

0.50

Input high voltage

VIH

—2.00

—

Input low voltage

VIL

—

0.80

Input high current

IIH

LVDD = Max

VIN

1 = 2.1 V

—

μA

Input low current

IIL

LVDD = Max

VIN = 0.5 V

–600

—

μA

Note:

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

MPC8347E Datasheet(PDF) 34 Page - Freescale Semiconductor, Inc

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