SST55LD019M datasheet(34/59 Pages) SST

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Advance Information

ATA Flash Disk Controller

SST55LD019M

S71312-01-000

12/06

10.2.1.8 Initialize-Drive-Parameters - 91H

This command enables the host to set the number of sectors per track and the number of heads per

cylinder. Only the Sector Count and the Drive/Head registers are used by this command.

10.2.1.9 NOP - 00H

This command always fails with the ATA Flash Disk Controller returning command aborted.

10.2.1.10 Read-Buffer - E4H

The Read-Buffer command enables the host to read the current contents of the ATA Flash Disk

Controller’s sector buffer. This command has the same protocol as the Read-Sector(s) command

Bit ->

76543210

Command (7)

91H

C/D/H (6)

Drive

Max Head (no. of heads-1)

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Number of Sectors

Feature (1)

Bit ->

76543210

Command (7)

00H

C/D/H (6)

XDrive

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Bit ->

76543210

Command (7)

E4H

C/D/H (6)

XDrive

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

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