MPC8548ECPXATHC datasheet(10/151 Pages) FREESCALE

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MPC8548E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 9

Freescale Semiconductor

Electrical Characteristics

This section provides the AC and DC electrical specifications and thermal characteristics for the device.

This device is currently targeted to these specifications. Some of these specifications are independent of

the I/O cell, but are included for a more complete reference. These are not purely I/O buffer design

specifications.

2.1

Overall DC Electrical Characteristics

This section covers the ratings, conditions, and other characteristics.

2.1.1

Absolute Maximum Ratings

The following table provides the absolute maximum ratings.

Table 1. Absolute Maximum Ratings 1

Characteristic

Symbol

Max Value

Unit

Notes

Core supply voltage

VDD

–0.3 to 1.21

—

PLL supply voltage

AVDD

–0.3 to 1.21

—

Core power supply for SerDes transceivers

SVDD

–0.3 to 1.21

—

Pad power supply for SerDes transceivers

XVDD

–0.3 to 1.21

—

DDR and DDR2 DRAM I/O voltage

GVDD

–0.3 to 2.75

–0.3 to 1.98

Three-speed Ethernet I/O voltage

LVDD (for eTSEC1

and eTSEC2)

–0.3 to 3.63

–0.3 to 2.75

TVDD (for eTSEC3

and eTSEC4)

–0.3 to 3.63

–0.3 to 2.75

PCI/PCI-X, DUART, system control and power management,

I2C, Ethernet MII management, and JTAG I/O voltage

OVDD

–0.3 to 3.63

—

Local bus I/O voltage

BVDD

–0.3 to 3.63

–0.3 to 2.75

V—

Input voltage

DDR/DDR2 DRAM signals

MVIN

–0.3 to (GVDD + 0.3)

DDR/DDR2 DRAM reference

MVREF

–0.3 to

(GVDD/2 + 0.3)

V—

Three-speed Ethernet I/O signals

LVIN

TVIN

–0.3 to (LVDD + 0.3)

–0.3 to (TVDD + 0.3)

Local bus signals

BVIN

–0.3 to (BVDD + 0.3)

—

DUART, SYSCLK, system control and power

management, I2C, Ethernet MII management,

and JTAG signals

OVIN

–0.3 to (OVDD + 0.3)

PCI/PCI-X

OVIN

–0.3 to (OVDD + 0.3)

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