MPC8379E_12 datasheet(8/117 Pages) FREESCALE

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MPC8379E PowerQUICC II Pro Processor Hardware Specifications, Rev. 8

Freescale Semiconductor

2.1.2

Power Supply Voltage Specification

This table provides recommended operating conditions for the device. Note that the values in this table are

the recommended and tested operating conditions. Proper device operation outside of these conditions is

not guaranteed.

Table 3. Recommended Operating Conditions

Characteristic

Symbol

Recommended

Value

Unit

Note

Core supply voltage

up to 667 MHz

VDD

1.0 ± 50 mV

800 MHz

1.05 ± 50 mV

PLL supply voltage (e300 core, eLBC and

system)

up to 667 MHz

AVDD

1.0 ± 50 mV

1, 2

800 MHz

1.05 ± 50 mV

1, 2

DDR1 and DDR2 DRAM I/O voltage

GVDD

2.5 V ± 125 mV

1.8 V ± 90 mV

Three-speed Ethernet I/O, MII management voltage

LVDD[1,2]

3.3 V ± 165 mV

2.5 V ± 125 mV

V—

PCI, local bus, DUART, system control and power management, I2C, and

JTAG I/O voltage

OVDD

3.3 V ± 165 mV

Local Bus

LBVDD

1.8 V ± 90 mV

2.5 V ± 125 mV

3.3 V ± 165 mV

V—

SerDes

up to 667 MHz

L[1,2]_

nVDD

1.0 ± 50 mV

1, 3

800 MHz

1.05 V ± 50 mV

1, 3

Operating temperature range

commerical

Ta=0 (min)—

Tj=125 (max)

°C—

extended temperature

Ta=–40 (min)—

Tj=125 (max)

°C—

Notes:

1. GVDD, OVDD, AVDD, and VDD must track each other and must vary in the same direction—either in the positive or negative

direction.

2. AVDD is the input to the filter discussed in Section 24.1, “PLL Power Supply Filtering,” and is not necessarily the voltage at

the AVDD pin.

3. L[1,2]_

nVDD, SDAVDD_0, XCOREVDD, and XPADVDD power inputs.

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