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Hitachi HTS543212L9SA00 Manual Do Utilizador

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                       5K320 SATA OEM Specification 
109 
 
14.16  Read FPDMA Queued (60h)   
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 Low  
- 
- 
- 
- 
- 
- 
- 
-     Data Low 
- 
- 
- 
- 
- 
- 
- 
- 
Data High 
- 
- 
- 
- 
- 
- 
- 
-     Data High 
- 
- 
- 
- 
- 
- 
- 
- 
Current 
V  V  V  V  V  V  V  V     Error 
...See Below... 
Feature 
Previous 
V  V  V  V  V  V  V  V       
  
Current 
T   T  T  T   T   - 
- 
-    
HOB=0  - 
- 
- 
- 
- 
- 
- 
- 
Sector Count 
Previous 
P 
- 
- 
- 
- 
- 
- 
-    
Sector Count 
HOB=1  - 
- 
- 
- 
- 
- 
- 
- 
Current 
V  V  V  V  V  V  V  V    
HOB=0  V  V  V  V  V  V  V  V 
LBA Low 
Previous 
V  V  V  V  V  V  V  V    
LBA Low 
HOB=1  V  V  V  V  V  V  V  V 
Current 
V  V  V  V  V  V  V  V    
HOB=0  V  V  V  V  V  V  V  V 
LBA Mid 
Previous 
V  V  V  V  V  V  V  V    
LBA Mid 
HOB=1  V  V  V  V  V  V  V  V 
Current 
V  V  V  V  V  V  V  V    
HOB=0  V  V  V  V  V  V  V  V 
LBA High 
Previous 
V  V  V  V  V  V  V  V    
LBA High 
HOB=1  V  V  V  V  V  V  V  V 
Device 
F  1 
- 
- 
- 
- 
- 
-     Device 
- 
- 
- 
- 
- 
- 
- 
- 
Command 
0 
1 
1  0  0  0 
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  AMN     BSY  RDY  D F  DSC   DRQ  COR  IDX 
ERR 
V 
V 
0 
V 
0 
V 
0 
0 
  
0 
V 
0 
V 
- 
0 
0 
V 
Table  71 Read FPDMA Queued Command (60h)   
The Read  FPDMA Queued  command reads one or more sectors of data from disk media, then 
transfers the data from the device to the host.  
If an uncorrectable error occurs, the read will be terminated at the failing sector.   
Output Parameters To The Device  
Feature Current 
The number of sectors to be transferred low order, bits (7:0) 
Feature Previous 
The number of sectors to be transferred high orde r, bits (15:8) 
T 
TAG value.  It shall be assigned to be different from all other queued commands.  
The value shall not exceed the maximum queue depth specified by the Word 75 of the 
Identify Device information. 
LBA Low Current 
LBA (7:0) 
LBA Low Previous 
LBA (31:24) 
LBA Mid Current 
LBA (15:8) 
LBA Mid Previous 
LBA (39:32) 
LBA High Current 
LBA (23:16) 
LBA High Previous 
LBA (47:40) 
F 
FUA bit.  When the FUA bit is set to 1, the requested data is always retrieved from 
the media regardless of whether the d ata are held in the sector buffer or not.  When 
the FUA bit is set to 0, the data may be retrieved from the media or from the cached 
data left by previously processed Read or Write commands. 
P 
Priority bit.  When the Priority bit is set to 1, the device attempts to provide better 
quality of service for the command than normal priority commands. 
Input Parameters From The Device 
LBA Low (HOB=0) 
LBA (7:0) of the address of the first unrecoverable error. 
LBA Low (HOB=1) 
LBA (31:24)of the address of the first unrecoverable error. 
LBA Mid (HOB=0) 
LBA (15:8)of the address of the first unrecoverable error. 
LBA Mid (HOB=1) 
LBA (39:32)of the address of the first unrecoverable error. 
LBA High (HOB=0) 
LBA (23:16)of the address of the first unrecoverable error. 
LBA High (HOB=1) 
LBA (47:40)of the address of the first unrecoverable error.