5.3 Host Commands

(44)WRITE SECTOR(S) EXT (X’34’): Option (customizing)

Description

This command is the extended command of the WRITE SECTOR (S) command. The LBA specification is increased from 28 bits to 48 bits, and the maximum number of sectors that can be transferred by a single command is changed from 100h to 10000h. Other command controls are the same as those of the WRITE SECTOR (S) command.

At command issuance (I/O registers setting contents)

1F7h(CM)

0

0

 

1

 

1

0

1

0

0

1F6h(DH)

1

L

 

1

 

DV

xx

 

 

 

1F5h(CH) P

LBA (47-40)

 

 

 

 

 

 

 

1F5h(CH) C

LBA (23-16)

 

 

 

 

 

 

 

1F4h(CL) P

LBA (39-32)

 

 

 

 

 

 

 

1F4h(CL) C

LBA (15-8)

 

 

 

 

 

 

 

1F3h(SN) P

LBA (31-24)

 

 

 

 

 

 

 

1F3h(SN) C

LBA (7-0)

 

 

 

 

 

 

 

1F2h(SC) P

Sector count (15-8)

 

 

 

 

 

1F2h(SC) C

Sector count (7-0)

 

 

 

 

 

1F1h(FR) P

xx

 

 

 

 

 

 

 

 

 

1F1h(FR) C

xx

 

 

 

 

 

 

 

 

 

C:Current

P:Previous

At command completion (I/O registers contents to be read)

1F7h(ST)

 

 

 

Status information

1F6h(DH)

1

L

 

1

DV

xx

1F5h(CH) 1

LBA (47-40)

 

 

 

1F5h(CH) 0

LBA (23-16)

 

 

 

1F4h(CL) 1

LBA (39-32)

 

 

 

1F4h(CL) 0

LBA (15-8)

 

 

 

1F3h(SN) 1

LBA (31-24)

 

 

 

1F3h(SN) 0

LBA (7-0)

 

 

 

1F2h(SC) 1

xx

 

 

 

 

 

1F2h(SC) 0

xx

 

 

 

 

 

1F1h(ER)

Error information

0: HOB=0

 

 

 

 

 

 

1: HOB=1

 

 

 

 

 

 

C141-E202-01EN

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Image 191
Fujitsu MHU2100AT manual Write Sectors EXT X’34’ Option customizing Description