參數(shù)資料
型號(hào): HFDOM44S3VXXX
廠商: Hanbit Electronics Co.,Ltd.
英文描述: 44Pin Flash Disk Module Min.16MB ~ Max.384MB, True IDE Interface
中文描述: 44Pin盤(pán)模塊Min.16MB?Max.384MB,真IDE接口
文件頁(yè)數(shù): 14/29頁(yè)
文件大?。?/td> 303K
代理商: HFDOM44S3VXXX
HANBit HFDOM44S3Vxxx
URL:www.hbe.co.kr 14 / 29 HANBit Electronics Co., Ltd.
Rev. 1.0 (January, 2005)
Format Track -
50h
Bit->
7
6
5
4
3
2
1
0
Command(7)
50h
C/D/H(6)
1
LBA
1
Drive
Head(LBA 27-24)
Cyl High(5)
Cylinder High (LBA 23-16)
Cyl Low(4)
Cylinder Low (LBA 15-8)
Sec Num(3)
X (LBA 7-0 )
Sec Cnt(2)
Count (LBA mode only)
Feature(1)
X
Format Track
This command writes the desired head and cylinder of the selected drive with a vendor unique data pattern
(typically FFh or 00h).
To remain host backward compatible, the CompactFlash Storage Card expects a sector buffer of data from the
host to follow the command with the same protocol as the Write Sector(s) command although the information in the
buffer is not used by the CompactFlash Storage Card.
If LBA=1 then the number of sectors to format is taken from the SecCnt register (0=256). The use of this command
is not recommended.
Identify Drive - ECh
Bit->
7
6
5
4
3
2
1
0
Command(7)
ECh
C/D/H(6)
X
X
X
Drive
X
Cyl High(5)
X
Cyl Low(4)
X
Sec Num(3)
X
Sec Cnt(2)
X
Feature(1)
X
Identify Drive
The Identify Drive command enables the host to receive parameter information from the
CompactFlash Storage Card. This command has the same protocol as the Read Sector(s)
command. The parameter words in the buffer have the arrangement and meanings defined in
Table . All reserved bits or words are zero. Table 40 is the definition for each field in the
Identify Drive Information.
Table: Identify Drive Information
Word
Address
Default
Value
Total
Bytes
Data Field Type Information
0
848Ah
2
General configuration – signature for the CompactFlash Storage Card
1
xxxxh
2
Default number of cylinders
2
0000h
2
Reserved
3
00xxh
2
Default number of heads
4
xxxxh
2
Number of unformatted bytes per track
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