Interface

(42)READ MULTIPLE EXT (X’29’): Option (customizing)

Description

This command is the extended command of the READ MULTIPLE 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 READ MULTIPLE command.

At command issuance (I/O registers setting contents)

1F7h(CM)

0

0

 

1

 

0

1

0

0

1

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

 

 

 

 

 

 

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Image 188
Fujitsu MHU2100AT manual Read Multiple EXT X’29’ Option customizing Description