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SanDisk Industrial Grade CompactFlash 5000 Product Manual
© 2007 SanDisk® Corporation 41 July 2007
4.5.3
Feature Register (Address–1F1[171]; Offset 1, 0Dh
Write Only)
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
Sector Count Register
(Address–1F2[172]; Offset 2)
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
Sector Number (LBA 7-0) Register (Address–
1F3[173]; Offset 3)
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
Cylinder Low (LBA 15-8) Register (Address–
1F4[174]; Offset 4)
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
Cylinder High (LBA 23-16) Register (Address–
1F5[175]; Offset 5)
This register contains the high order bits of the starting cylinder address or
bits 23-16 of the Logical Block Address.
4.5.8
Drive/Head (LBA 27-24) Register (Address–
1F6[176]; Offset 6)
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:
D7 D6 D5 D4 D3 D2 D1 D0
1 LBA 1 DRV HS3 HS2 HS1 HS0
Bit Name Description
D7 1 Bit set to 1.
D6 LBA 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.
D5 1 Bit set to 1.
- SanDisk Industrial Grade 1
- CompactFlash 5000 1
- Table of Contents 2
- List of Tables 5
- Introduction 8
- Features 9
- CompactFlash Standard 10
- PCMCIA Standard 10
- Related Documentation 10
- Functional Description 10
- Technology Independence 11
- Defect and Error Management 11
- Bad Block Management 12
- Automatic Sleep Mode 12
- Power Supply Requirements 12
- Wear Leveling 12
- Product Specifications 14
- System Power Requirements 15
- System Performance 15
- System Reliability 16
- Physical Specifications 16
- Regulatory Compliance 17
- Traceability 17
- Interface Description 18
- Electrical Description 20
- Table 10: Signal Description 21
- Electrical Specification 24
- Output Drive Characteristics 25
- Power Up/Down Timing 26
- Common Memory Read Timing 27
- Table 16 (continued) 28
- Memory Timing Diagrams 29
- I/O Read Timing Diagram 30
- True IDE Mode 32
- Card Configuration 35
- Attribute Memory Function 36
- Attribute Memory function 37
- Attribute Memory) 38
- 202h in Attribute Memory) 39
- Memory) 40
- I/O Transfer Function 41
- Configurations 43
- Memory Mapped Addressing 45
- True IDE Mode Addressing 46
- ATA Registers 46
- Read Only) 47
- Device Control Register 50
- Offset Fh) 50
- ATA Command Description 52
- Check Power Mode–98H, E5H 53
- Erase Sector(s)–C0H 54
- Format Track–50H 55
- Identify Device–ECH 55
- Idle–97H, E3H 63
- Idle Immediate–95H, E1H 63
- Read Buffer–E4H 64
- Read DMA Command–C8H, C9H 64
- Read Multiple–C4H 65
- Read Long Sector–22H, 23H 66
- Read Sector(s)–20H, 21H 66
- Recalibrate–1XH 67
- Request Sense–03H 67
- Seek–7XH 68
- Set Features–EFH 69
- Set Multiple Mode–C6H 70
- Set Sleep Mode–99H, E6H 70
- Standby–96H, E2H 71
- Standby Immediate–94H, E0H 71
- Translate Sector–87H 72
- Wear Level–F5H 72
- Write Buffer–E8H 73
- Write DMA Command–CAH, CBH 73
- Write Long Sector–32H, 33H 73
- Write Multiple Command–C5H 74
- Write Sector(s)–30H, 31H 75
- Write Verify Sector(s)–3CH 76
- Error Posting 77
- CIS Description 78
- I. Warranty Statement 95
- II. General Provisions 95
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