MPC8544E datasheet(10/117 Pages) FREESCALE

10 / 117 page

MPC8544E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 5

Freescale Semiconductor

Electrical Characteristics

Three-speed Ethernet I/O voltage

LVDD

(eTSEC1)

3.3 V ± 165 mV

2.5 V ± 125 mV

TVDD

(eTSEC3)

3.3 V ± 165 mV

2.5 V ± 125 mV

PCI, DUART, PCI Express, system control and power management, I2C,

and JTAG I/O voltage

OVDD

3.3 V ± 165 mV

Local bus I/O voltage

BVDD

3.3 V ± 165 mV

2.5 V ± 125 mV

1.8 V ± 90 mV

Input voltage

DDR and DDR2 DRAM signals

MVIN

GND to GVDD

DDR and DDR2 DRAM reference

MVREF

GND to GVDD/2

Three-speed Ethernet signals

LVIN

TVIN

GND to LVDD

GND to TVDD

Local bus signals

BVIN

GND to BVDD

PCI, Local bus, DUART, SYSCLK, system control

and power management, I2C, and JTAG signals

OVIN

GND to OVDD

Junction temperature range

0 to 105

°C—

Notes:

1. This voltage is the input to the filter discussed in Section 21.2, “PLL Power Supply Filtering,” and not necessarily the voltage

at the AVDD pin, which may be reduced from VDD by the filter.

2. Caution: MVIN must not exceed GVDD by more than 0.3 V. This limit may be exceeded for a maximum of 20 ms during

power-on reset and power-down sequences.

3. Caution: OVIN must not exceed OVDD by more than 0.3 V. This limit may be exceeded for a maximum of 20 ms during

power-on reset and power-down sequences.

4. Caution: T/LVIN must not exceed T/ LVDD by more than 0.3 V. This limit may be exceeded for a maximum of 20 ms during

power-on reset and power-down sequences.

5. Caution: BVIN must not exceed BVDD by more than 0.3 V. This limit may be exceeded for a maximum of 20 ms during

power-on reset and power-down sequences.

Table 2. Recommended Operating Conditions (continued)

Characteristic

Symbol

Recommended

Value

Unit

Notes

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