Read Sector - 20H, 21H; Table 60: Read Sector - 20H, 21H - Silicon Systems SiliconDrive CF SSD-C08G(I)-3150 Datasheet

ATA C B
OMMAND LOCK AND
Read Sector — 20h, 21h
The Read Sector command allows the host to read sectors 1 to 256 as
specified in the Sector Count register. If the sector count is set to 0h, all 256
sectors of data are made available. When the command code is issued and
the first sector of data has been transferred to the buffer, the DRQ bit is set.
The Read Sector command is terminated by writing the cylinder, head, and
sector number of the last sector read in the task file. On error, the read
operation is aborted in the errant sector.
Register
Feature
Sector Count
Sector Number
Cylinder Low
Cylinder High
Drive Head
Command
This document and the information contained within it is confidential and proprietary to SiliconSystems, Inc.
3150C-10DSR
S D
ET ESCRIPTION
Table 60: Read Sector — 20h, 21h
D D
7 6
Cylinder High (LBA23-16)
1 LBA
S S
ILICON YSTEMS
All unauthorized use and/or reproduction is prohibited.
P 74
AGE
SSD-C
XXX
D D D
5 4 3
X
Sector Count
Sector Number (LBA7-0)
Cylinder Low (LBA15-8)
1 Drive Head Number (LBA27-24)
20h or 21h
P
ROPRIETARY
(I)-3150 D S
ATA HEET
D D D
2 1 0
F 2, 2009
EBRUARY