Interface
5-102 C141-E192-01EN
(44) READ MULTIPLE EXT (29H): 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) 00111001
1F6h(DH) 1 L 1 DV xx
1F5h(CH) P
1F5h(CH) C
1F4h(CL) P
1F4h(CL) C
1F3h(SN) P
1F3h(SN) C
1F2h(SC) P
1F2h(SC) C
1F1h(FR) P
1F1h(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)
1F7h(ST) Status information
1F6h(DH) 1 L 1 DV xx
1F5h(CH) 1
1F5h(CH) 0
1F4h(CL) 1
1F4h(CL) 0
1F3h(SN) 1
1F3h(SN) 0
1F2h(SC) 1
1F2h(SC) 0
1F1h(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