88F6281

Hardware Specifications

8.4Current Consumption

The purpose of the Current Consumption table is to support board power design and power module selection.

.

Table 38: Current Consumption

Interface

Symbol

Test Conditions

Max

Units

 

 

 

 

 

Core (VDD 1.0V)

IVDD

TCLK @ 200 MHz

600

mA

Embedded CPU (VDD_CPU 1.1V)

IVDD_CPU

CPU @ 1000 MHz,

1920

mA

 

 

L2 @ 333 MHz

 

 

 

 

CPU @ 1200 MHz,

2010

mA

 

 

L2 @ 400 MHz

 

 

 

 

 

 

 

 

 

CPU @ 1500 MHz,

2100

mA

 

 

L2 @ 500 MHz

 

 

 

 

 

 

 

RGMII 1.8V or 3.3V interface

IRGMII

 

25

mA

GMII 3.3V interface

IGMII

 

25

mA

MII/MMII 3.3V interface

IMII_MMII

 

25

mA

Miscellaneous interfaces

IMISC

 

25

mA

(JTAG, TWSI, UART, NAND flash, Audio,

 

 

 

 

SDIO, TDM, TS, and SPI)

 

 

 

 

 

 

 

 

 

DDR2 SDRAM interface (16-bit 400 MHz)

IDDR2

Four on board devices, 75 ohm

550

mA

 

 

ODT termination

 

 

eFuse during Burning mode

IFUSE

 

20

mA

eFuse during Reading mode

IFUSE

 

25

mA

PCI Express interface

IPEX

 

50

mA

USB interface

IUSB

 

40

mA

SATA interface

ISATA

Both SATA ports

130

mA

Notes:

1.Current in mA is calculated using maximum recommended VDDIO specification for each power rail.

2.All output clocks toggling at their specified rate.

3.Maximum drawn current from the power supply.

Doc. No. MV-S104859-U0 Rev. E

 

Copyright © 2008 Marvell

Page 80

Document Classification: Proprietary Information

December 2, 2008, Preliminary

Page 80
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Marvel Group 88F6281 Current Consumption, CPU @ 1000 MHz, L2 @ 333 MHz, Interface Symbol Test Conditions Max Units