
5K320 SATA OEM Specification
11.1 Register naming convention
This specification uses the same naming conventions for the Command Block Registers as the
Serial ATA register name
Features
Features (exp)
Sector count
Sector count (exp)
LBA low
LBA low (exp)
LBA mid
LBA mid (exp)
LBA high
LBA high (exp)
Device
Command
Control
Status
Error
Register name in this specification when writing registers
Feature current
Feature previous
Sector count current
Sector count previous
LBA low current
LBA low previous
LBA mid current
LBA mid previous
LBA high current
LBA high previous
Device
Command
Device Control
N/A
N/A
Register name in this specification when reading registers
Sector count HOB=0
Sector count HOB=1
LBA low HOB=0
LBA low HOB=1
LBA mid HOB=0
LBA mid HOB=1
LBA mid HOB=0
LBA mid HOB=1
Device
N/A
N/A
Status
Error
Table 24 Register naming convention and correspondence
11.2 Command register
This register contains the command code being sent to the device. Command execution begins immediately after this register is written. The command set is shown in “Table 40 Command set” on page 75.
All other registers required for the command must be set up before writing the Command Register.
11.3 Device Control Register
Device Control Register
7
-
6
-
5
-
4
-
3
1
2
SRST
1 | 0 |
0 |
Table 25 Device Control Register
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