SST48CF032 datasheet(34/60 Pages) SST

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Data Sheet

CompactFlash Card

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

S71125-03-000

9/01

375

3.1.5.2 Error Register (Address - 1F1H[171H]; Offset 1, 0DH Read Only)

This register contains additional information about the source of an error when an error is indicated in bit 0 of the

Status register. The bits are defined as follows:

This register is also accessed on data bits D15-D8 during a write operation to offset 0 with -CE2 low and -CE1 high.

Bit 7 (BBK)

This bit is set when a Bad Block is detected.

Bit 6 (UNC)

This bit is set when an Uncorrectable Error is encountered.

Bit 5

This bit is 0.

Bit 4 (IDNF)

The requested sector ID is in error or cannot be found.

Bit 3

This bit is 0.

Bit 2 (Abort)

This bit is set if the command has been aborted because of a CompactFlash card status

condition: (Not Ready, Write Fault, etc.) or when an invalid command has been issued.

Bit 1

This bit is 0.

Bit 0 (AMNF) This bit is set in case of a general error.

3.1.5.3 Feature Register (Address - 1F1H[171H]; Offset 1, 0DH Write Only)

This register provides information regarding features of the CompactFlash card that the host can utilize. This register

is also accessed on data bits D15-D8 during a write operation to Offset 0 with -CE2 low and -CE1 high.

3.1.5.4 Sector Count Register (Address - 1F2H[172H]; Offset 2)

This register contains the numbers of sectors of data requested to be transferred on a read or write operation

between the host and the CompactFlash card. If the value in this register is zero, a count of 256 sectors is speci-

fied. If the command was successful, this register is zero at command completion. If not successfully completed,

the register contains the number of sectors that need to be transferred in order to complete the request.

3.1.5.5 Sector Number (LBA 7-0) Register (Address - 1F3H[173H]; Offset 3)

This register contains the starting sector number or bits 7-0 of the Logical Block Address (LBA) for any CompactFlash

card data access for the subsequent command.

3.1.5.6 Cylinder Low (LBA 15-8) Register (Address - 1F4H[174H]; Offset 4)

This register contains the low order 8 bits of the starting cylinder address or bits 15-8 of then Logical Block Address.

3.1.5.7 Cylinder High (LBA 23-16) Register (Address - 1F5H[175H]; Offset 5)

This register contains the high order bits of the starting cylinder address or bits 23-16 of the Logical Block Address.

This register is also accessed on data bits D15-D8 during a write operation to offset 0 with -CE2 low and -CE1 high.

BBK

UNC

IDNF

ABRT

AMNF

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