Hitachi IC25N040ATMR04-0 Specifications - Page 169

Set Multiple C9h

Page 169 highlights

13.36 Set Multiple (C9h) Table 110: Set Multiple command (C6h) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature Sector Count V V V V V V V V LBA Low LBA Mid LBA High Device 1 - 1 D - - - - Command 1 1 0 0 0 1 1 0 76 CRC UNC 00 Error Register 54 3 2 1 0 0 IDN 0 ABT T0N AMN 00 0 V 0 0 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Error see below Sector Count LBA Low LBA Mid LBA High Device Status see below Status Register 7 654 3 2 1 0 BSY RDY DF DSC DRQ COR IDX ERR 0 V0- - 0 - V The Set Multiple command enables the device to perform Read and Write Multiple commands and establishes the block size for these commands. The block size is the number of sectors to be transferred for each interrupt. The default block size after power up or hard reset is 0. The Read Multiple and Write Multiple commands are disabled. If an invalid block size is specified, an Abort error will be returned to the host. The Read Multiple and Write Multiple commands will be disabled. Output parameters to the device Sector Count This indicates the block size to be used for the Read Multiple and the Write Multiple commands. Valid block sizes can be selected from 0, 2, 4, 8 or 16. If 0 is specified, then the Read Multiple and the Write Multiple commands are disabled. Travelstar 80GN Hard Disk Drive Specification 159

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Travelstar 80GN Hard Disk Drive Specification
159
13.36
Set Multiple (C9h)
Table 110: Set Multiple command (C6h)
The Set Multiple command enables the device to perform Read and Write Multiple commands and establishes the
block size for these commands. The block size is the number of sectors to be transferred for each interrupt.
The default block size after power up or hard reset is 0. The Read Multiple and Write Multiple commands are dis-
abled.
If an invalid block size is specified, an Abort error will be returned to the host. The Read Multiple and Write Mul-
tiple commands will be disabled.
Output parameters to the device
Sector Count
This indicates the block size to be used for the Read Multiple and the Write Multiple com-
mands. Valid block sizes can be selected from 0, 2, 4, 8 or 16. If 0 is specified, then the
Read Multiple and the Write Multiple commands are disabled.
Command Block Output Registers
Command Block Input Registers
Register
7 6 5 4 3 2 1 0
Register
7 6 5 4 3 2 1 0
Data
- - - - - - - -
Data
- - - - - - - -
Feature
- - - - - - - -
Error
see below
Sector Count
V V V V V V V V
Sector Count
- - - - - - - -
LBA Low
- - - - - - - -
LBA Low
- - - - - - - -
LBA Mid
- - - - - - - -
LBA Mid
- - - - - - - -
LBA High
- - - - - - - -
LBA High
- - - - - - - -
Device
1 - 1 D - - - -
Device
- - - - - - - -
Command
1 1 0 0 0 1 1 0
Status
see below
Error Register
Status Register
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
CRC UNC 0 IDN 0 ABT T0N AMN
BSY RDY DF DSC DRQ COR IDX ERR
0
0
0
0
0
V
0
0
0
V
0
-
-
0
-
V