MPC8541ECVTAPF datasheet(12/84 Pages) FREESCALE

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MPC8541E PowerQUICC™ III Integrated Communications Processor Hardware Specifications, Rev. 4

Freescale Semiconductor

Power Characteristics

3. Typical power is based on a nominal voltage of VDD = 1.2V, a nominal process, a junction

temperature of Tj = 105° C, and a Dhrystone 2.1 benchmark application.

4. Thermal solutions will likely need to design to a value higher than Typical Power based on the end

application, TA target, and I/O power.

5. Maximum power is based on a nominal voltage of VDD = 1.2V, worst case process, a junction

temperature of Tj = 105° C, and an artificial smoke test.

6. The nominal recommended VDD = 1.3V for this speed grade.

Table 5. Typical I/O Power Dissipation

Interface

Parameters

GVDD

(2.5V)

OVDD

(3.3V)

LVDD

(3.3V)

LVDD

(2.5V)

Unit

Comments

DDR I/O

CCB = 200 MHz

0.46

—

CCB = 266 Mhz

0.59

—

CCB = 300 Mhz

0.66

—

CCB = 333 Mhz

0.73

—

PCI I/O

64b, 66Mhz

0.14

—

64b, 33Mhz

0.08

—

32b, 66Mhz

0.07

Multiply by 2 if using two 32b ports

32b, 33Mhz

0.04

Local Bus I/O

32b, 167Mhz

0.30

—

32b, 133Mhz

0.24

—

32b, 83Mhz

0.16

32b, 66Mhz

0.13

—

32b, 33Mhz

0.07

—

TSEC I/O

MII

0.01

Multiply by number of interfaces

used.

GMII or TBI

0.07

RGMII or RTBI

0.04

CPM - FCC

MII

0.015

—

RMII

0.013

—

HDLC 16 Mbps

0.009

—

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