SST48CF008 datasheet(39/60 Pages) SST

39 / 60 page

Data Sheet

CompactFlash Card

SST48CF008 / 016 / 024 / 032 / 048 / 064 / 096 / 128 / 192 / 256

S71125-03-000

9/01

375

3.2.1.1 Check Power Mode - 98H or E5H

This command checks the power mode.

Because SST CompactFlash card can recover from sleep in 200ms, idle mode is never enabled.

CompactFlash card sets BSY, sets the Sector Count Register to 00H, clears BSY and generates an

interrupt.

3.2.1.2 Execute Drive Diagnostic - 90H

This command performs the internal diagnostic tests implemented by the CompactFlash card.

If in PCMCIA configuration this command runs only on the CompactFlash card which is addressed by

the Drive/Head register when the diagnostic command is issued. This is because PCMCIA card

interface does not allows for direct inter-drive communication (such as the ATA PDIAG and DASP

signals). If in True IDE Mode the Drive bit is ignored and the diagnostic command is executed by both

the Master and the Slave with the Master responding with status for both devices.

The Diagnostic codes shown in Table 3-7 are returned in the Error Register at the end of the command.

Bit ->

Command (7)

97H or E5H

C/D/H (6)

XDrive

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Bit ->

Command (7)

90H

C/D/H (6)

XDrive

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

TABLE

3-7: DIAGNOSTIC CODES

Code

Error Type

01H

No Error Detected

02H

Formatter Device Error

03H

Sector Buffer Error

04H

ECC Circuitry Error

05H

Controlling Microprocessor Error

8XH

Slave Error in True IDE Mode

T3-7.0 375

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