HANBit
HFDOM40K3R
then reads the 512 bytes of data from the buffer.
At command completion, the Command Block Registers contain the cylinder, head and sector number of the last
sector read. If an error occurs, the read terminates at the sector where the error occurred. The Command Block
Registers contain the cylinder, head, and sector number of the sector where the error occurred. The flawed data is
pending in the sector buffer.
Read Verify Sector(s) – 40h or 41h
Bit->
7
6
5
4
3
2
1
0
Command(7)
C/D/H(6)
40h – 41h
Drive
1
LBA
1
Head(LBA 27 – 24)
Cyl High(5)
Cyl Low(4)
Sec Num(3)
Sec Cnt(2)
Feature(1)
Cylinder High (LBA 23 – 16)
Cylinder Low (15 – 8)
Sector Number (LBA 7 – 0)
Sector Count
X
Read Verify Sector(s)
This command is identical to the Read Sectors command, except that DRQ is never set and no data is transferred
to the host. When the command is accepted, the CompactFlash Storage Card sets BSY.
When the requested sectors have been verified, the CompactFlash Storage Card clears BSY and generates an
interrupt. Upon command completion, the Command Block Registers contain the cylinder, head, and sector
number of the last sector verified.
If an error occurs, the verify terminates at the sector where the error occurs. The Command Block Registers
contain the cylinder, head and sector number of the sector where the error occurred. The Sector Count Register
contains the number of sectors not yet verified.
Recablibrate – 1Xh
Bit->
7
6
5
4
3
2
1
0
Command(7)
C/D/H(6)
1Xh
1
LBA
1
Drive
X
Cyl High(5)
Cyl Low(4)
Sec Num(3)
Sec Cnt(2)
Feature(1)
X
X
X
X
X
Recalibrate
This command is effectively a NOP command to the CompactFlash Storage Card and is provided for compatibility
purposes.
Request Sense – 03h
Bit->
7
6
5
4
3
2
1
0
Command(7)
C/D/H(6)
03h
1
LBA
1
Drive
X
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HANBit Electronics Co., Ltd.
Rev. 2.0 (October. 2004)