Hitachi HTS543212L9SA00 Manual Do Utilizador
5K320 SATA OEM Specification
106
14.13 Read Buffer (E4h)
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
-
- - - -
- - - Sector Count
-
- - - - - - -
LBA Low
-
- - - -
- - - LBA Low
-
- - - - - - -
LBA Mid
-
- - - -
- - - LBA Mid
-
- - - - - - -
LBA High
-
- - - -
- - - LBA High
-
- - - - - - -
Device
-
- - - -
- - - Device
-
- - - - - - -
Command
1 1 1 0 0 1 0 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
AM
N
BSY RDY
DF
DSC DRQ COR IDX ERR
0
0
0
0
0
V
0
0
0
V
0
-
-
0
0
V
Table 68 Read Buffer Command (E4h)
The Read Buffer command transfers a sector of data from the sector buffer of device to the host.
The sector is transferred through the Data Register 16 bits at a time.
The sector transferred will be from the same part of the buffer written to by the last Write Buffer
command. The contents of the sector may be different if any reads or writes have occurred since the
Write Buffer command was issued.
command. The contents of the sector may be different if any reads or writes have occurred since the
Write Buffer command was issued.