MPC8641D datasheet(14/140 Pages) FREESCALE

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MPC8641 and MPC8641D Integrated Host Processor Hardware Specifications, Rev. 1

Freescale Semiconductor

Power Characteristics

The maximum power dissipation for individual power supplies of the MPC8641D is shown in Table 5.

Table 5. MPC8641D Individual Supply Maximum Power Dissipation 1

Component Description

Supply Voltage

(Volts)

Power

(Watts)

Notes

Per Core voltage Supply

VDD_Core0/VDD_Core1 = 1.1 V @ 1500 MHz

21.00

Per Core PLL voltage supply

AVDD_Core0/AVDD_Core1 = 1.1 V @ 1500 MHz

0.0125

Per Core voltage Supply

VDD_Core0/VDD_Core1 = 1.05 V @ 1333 MHz

17.00

Per Core PLL voltage supply

AVDD_Core0/AVDD_Core1 = 1.05 V @ 1333 MHz

0.0125

Per Core voltage Supply

VDD_Core0/VDD_Core1 = 0.95 V @ 1000 MHz

11.50

Per Core PLL voltage supply

AVDD_Core0/AVDD_Core1 = 0.95 V @ 1000 MHz

0.0125

DDR Controller I/O voltage supply

n_GVDD = 2.5 V @ 400 MHz

0.80

n_GVDD = 1.8 V @ 533 MHz

0.68

n_GVDD = 1.8 V @ 600 MHz

0.77

16-bit FIFO @ 200 MHz

eTsec 1&2/3&4 Voltage Supply

L/TVDD = 3.3 V

0.11

2, 3

non-FIFO eTsec

n Voltage Supply

L/TVDD = 3.3 V

0.08

x8 SerDes transceiver Supply

SVDD = 1.1 V

0.70

x8 SerDes I/O Supply

XVDD_SRDSn = 1.1 V

0.66

SerDes PLL voltage supply Port 1 or 2

AVDD_SRDS1/AVDD_SRDS2 = 1.1 V

0.10

Platform I/O Supply

OVDD = 3.3 V

0.45

Platform source Supply

VDD_PLAT = 1.1 V @ 600 MHz

12.00

Platform source Supply

VDD_PLAT = 1.05 Vn @ 500 MHz

9.80

Platform source Supply

VDD_PLAT = 1.05 Vn @ 400 MHz

7.70

Platform, Local Bus PLL voltage Supply

AVDD_PLAT, AVDD_LB = 1.1 V

0.0125

Notes:

1. This is a maximum power supply number which is provided for power supply and board design information. The numbers are

based on 100% bus utilization for each component. The components listed are not expected to have 100% bus usage

simultaneously for all components. Actual numbers may vary based on activity.

2. Number is based on a per port/interface value.

3. This is based on one eTSEC port used. Since 16-bit FIFO mode involves two ports, the number will need to be multiplied by

two for the total. The other eTSEC protocols dissipate less than this number per port. Note that the power needs to be

multiplied by the number of ports used for the protocol for the total eTSEC port power dissipation.

4.This includes Local Bus, DUART, I2C, DMA, Multiprocessor Interrupts, System Control & Clocking, Debug, Test, Power

management, JTAG and Miscellaneous I/O voltage.

5. These power numbers are for Part Number MC8641xxx1000NX only. VDD_Coren = 0.95 V and VDD_PLAT = 1.05 V.

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