SanDisk CompactFlash 5000 Manual descarregar pdf (Página 53)

SanDisk Industrial Grade CompactFlash 5000 Product Manual

Class Command Code FR SC SN CY DH LBA

1 Stand By E2h or 96h - - - - D -

1 Stand By Immediate E0h or 94h - - - - D -

1 Translate Sector

87h - Y Y Y Y Y

1 Wear Level

F5h - - - - Y -

2 Write Buffer E8h - - - - D -

2 Write DMA CA or CB - Y Y Y Y Y

2 Write Long Sector 32h or 33h - - Y Y Y Y

3 Write Multiple C5h - Y Y Y Y Y

3 Write Multiple w/o Erase a

CDh - Y Y Y Y Y

2 Write Sector(s) 30h or 31h - Y Y Y Y Y

2 Write Sector(s) w/o Erase a

38h - Y Y Y Y Y

2 Write Verify 3Ch - Y Y Y Y Y

a. These commands are not standard PC Card ATA commands and these

features are no longer supported with the introduction of 256 Mbit Flash

Technology. If one of these commands is issued, the sectors will be erased

but there will be no net gain in write performance when using the Write

Without Erase command.

b. These commands are not standard PC Card ATA commands but provide

additional functionality.

Abbreviation Key

FR Features Register

SC Sector Count Register

SN Sector Number Register

CY Cylinder Registers

DH Card/Drive/Head Register

LBA Logical Block Address Mode Supported

Y The register contains a valid parameter for this command. For the Drive/Head

D The register contains a valid parameter for this command. For the Drive/Head

5.1.1

Check Power Mode–98H, E5H

This command checks the power mode.

If the CompactFlash Card is in, about to enter, or recovering from sleep mode,

it sets BSY, sets the Sector Count Register to 00h, clears BSY and generates

an interrupt.

If the card is in Idle mode, it sets BSY, sets the Sector Count Register to FFh,

clears BSY and generates an interrupt.

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SanDisk CompactFlash 5000 Manual Página 53