SDCFCF-004G-388 SanDisk, SDCFCF-004G-388 Datasheet - Page 48
SDCFCF-004G-388
Manufacturer Part Number
SDCFCF-004G-388
Description
COMPACT FLASH IND 4GB FIXED
Manufacturer
SanDisk
Datasheet
1.SDCFCF-001G-388.pdf
(97 pages)
Specifications of SDCFCF-004G-388
Memory Size
4GB
Memory Type
CompactFLASH
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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SanDisk Industrial Grade CompactFlash 5000
4.5.3
This register provides information about CompactFlash Memory Card features
that the host can utilize. This register is also accessed on data bits D15-D8
during a write operation to Offset 0 with CE2 low and -CE1 high.
4.5.4
This register contains the number of data sectors requested to be transferred
on a read or write operation between the host and the card. If the value in this
register is zero, a count of 256 sectors is specified. If the command was
successful, this register will be “0” on completion of the command. If not
successfully completed, the register will contain the number of sectors that
need to be transferred in order to complete the request.
4.5.5
This register contains the starting sector number or bits 7-0 of the Logical
Block Address (LBA) for any CompactFlash Memory Card data access for the
subsequent command.
4.5.6
This register contains the low order 8 bits of the starting cylinder address or
bits 15-8 of the Logical Block Address.
4.5.7
This register contains the high order bits of the starting cylinder address or
bits 23-16 of the Logical Block Address.
4.5.8
The Drive/Head Register is used to select the drive and head. It is also used to
select LBA addressing instead of cylinder/head/sector addressing. The bits are
defined as follows:
© 2007 SanDisk® Corporation
D7
D6
D5
Bit
Feature Register (Address–1F1[171]; Offset 1, 0Dh
Write Only)
Sector Count Register
Sector Number (LBA 7-0) Register (Address–
1F3[173]; Offset 3)
Cylinder Low (LBA 15-8) Register (Address–
1F4[174]; Offset 4)
Cylinder High (LBA 23-16) Register (Address–
1F5[175]; Offset 5)
Drive/Head (LBA 27-24) Register (Address–
1F6[176]; Offset 6)
D7
1
1
LBA
1
Name
LBA
D6
Bit set to 1.
LBA is a flag to select either Cylinder/Head/Sector (CHS) or Logical Block
Address Mode (LBA). When LBA=0, Cylinder/Head/Sector mode is selected.
When LBA=1, Logical Block Address is selected. In Logical Block Mode, the
Logical Block Address is interpreted as follows: LBA07-LBA00: Sector Number
Register D7-D0. LBA15-LBA08: Cylinder Low Register D7-D0. LBA23-LBA16:
Cylinder High Register D7-D0. LBA27-LBA24: Drive/Head Register bits HS3-
HS0.
Bit set to 1.
D5
1
DRV
D4
41
(Address–1F2[172]; Offset 2)
HS3
Description
D3
HS2
D2
HS1
D1
HS0
D0
Product Manual
July 2007
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