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FUJITSU MHV2120AT User Manual

Page 189

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5.3 Host Commands

C141-E218

5-113

(40) 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)

1F7

h

(CM) 0 0 1 0 1 0 0 1

1F6

h

(DH) 1 L 1 DV

xx

1F5

h

(CH) P

1F5

h

(CH) C

1F4

h

(CL) P

1F4

h

(CL) C

1F3

h

(SN) P

1F3

h

(SN) C

1F2

h

(SC) P

1F2

h

(SC) C

1F1

h

(FR) P

1F1

h

(FR) C

LBA (47-40)

LBA (23-16)

LBA (39-32)

LBA (15-8)

LBA (31-24)

LBA (7-0)

Sector count (15-8)

Sector count (7-0)

xx

xx

C: Current
P: Previous

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

1F7

h

(ST) Status

information

1F6

h

(DH) 1 L 1 DV

xx

1F5

h

(CH) 1

1F5

h

(CH) 0

1F4

h

(CL) 1

1F4

h

(CL) 0

1F3

h

(SN) 1

1F3

h

(SN) 0

1F2

h

(SC) 1

1F2

h

(SC) 0

1F1

h

(ER)

LBA (47-40)

LBA (23-16)

LBA (39-32)

LBA (15-8)

LBA (31-24)

LBA (7-0)

xx

xx

Error information

0: HOB=0
1: HOB=1

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