SST85LD0128 datasheet(36/73 Pages) SST

36 / 73 page

Advance Information

NANDrive

SST85LD0128 / SST85LD0256 / SST85LD0512

S71319-03-000

2/07

12.2.1.15 Read-Native-Max-Address - F8H

This command returns the native maximum address. The native maximum address is the highest

address accepted by the device in the factory default condition. The native maximum address is the

maximum address that is valid when using the Set-Max-Address command.

The Read-Native-Max-Address command output will take the following format:

C/D/H

Maximum native LBA bits (27:24) for native max address on the device.

Drive indicates the selected device.

Cyl High

Maximum native LBA bits (23:16) for native max address on the device.

Cyl Low

Maximum native LBA bits (15:8) for native max address on the device.

Sec Num

Maximum native LBA bits (7:0) for native max address on the device.

12.2.1.16 Read-Sector(s) - 20H or 21H

This command reads from 1 to 256 sectors as specified in the Sector Count register. A sector count of

0 requests 256 sectors. The transfer begins at the sector specified in the Sector Number register. When

this command is issued and after each sector of data (except the last one) has been read by the host,

the NANDrive sets BSY, puts the sector of data in the buffer, sets DRQ, clears BSY, and generates an

interrupt. The host then reads the 512 Bytes of data from the buffer.

Bit ->

76543210

Command (7)

F8H

C/D/H (6)

XDrive

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Bit ->

76543210

C/D/H

Drive

Native max address (LBA 27:24)

Cyl High

Native max address (LBA 23-16)

Cyl Low

Native max address (LBA 15-8)

Sec Num

Native max address (LBA 7-0)

Sec Cnt

Bit ->

76543210

Command (7)

20H or 21H

C/D/H (6)

LBA

Drive

Head (LBA 27-24)

Cyl High (5)

Cylinder High (LBA 23-16)

Cyl Low (4)

Cylinder Low (LBA 15-8)

Sec Num (3)

Sector Number (LBA 7-0)

Sec Cnt (2)

Sector Count

Feature (1)

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