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PDF SDCFJ-xxxx-388 Data sheet ( Hoja de datos )
| Número de pieza | SDCFJ-xxxx-388 | |
| Descripción | (SDCFJ-xxxx-388) Compact Flash Memory Card | |
| Fabricantes | Sandisk | |
| Logotipo |  |
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SanDisk CompactFlash Memory Card
Product Manual
Version 11.0
Document No. 20-10-00038
January 2006
SanDisk Corporation
Corporate Headquarters • 140 Caspian Court • Sunnyvale, CA 94089
Phone (408) 542-0500 • Fax (408) 542-0503
www.sandisk.com
www.DataSheet4U.com
www.DataSheet4U.com
www.DataSheet4U.com
1 page  
Table of Contents
3.6. Common Memory Transfer Function................................................................................................ 3-25
3.6.1. Common Memory Function .................................................................................................... 3-25
3.7. True IDE Mode I/O Transfer Function.............................................................................................. 3-26
3.7.1. True IDE Mode I/O Function.................................................................................................. 3-26
4. ATA Drive Register Set Definition and Protocol ............................................................................................... 4-1
4.1. I/O Primary and Secondary Address Configurations ........................................................................ 4-1
4.2. Contiguous I/O Mapped Addressing ................................................................................................. 4-2
4.3. Memory Mapped Addressing ............................................................................................................ 4-3
4.4. True IDE Mode Addressing .............................................................................................................. 4-4
4.5. ATA Registers................................................................................................................................... 4-4
4.5.1. Data Register (Address—1F0[170];Offset 0, 8, 9).................................................................. 4-4
4.5.2. Error Register (Address—1F1[171]; Offset 1, 0Dh Read Only)............................................. 4-5
4.5.3. Feature Register (Address—1F1[171]; Offset 1, 0Dh Write Only.......................................... 4-5
4.5.4. Sector Count Register (Address—1F2[172]; Offset 2) ........................................................... 4-5
4.5.5. Sector Number (LBA 7-0) Register (Address—1F3[173]; Offset 3) ...................................... 4-5
4.5.6. Cylinder Low (LBA 15-8) Register (Address—1F4[174]; Offset 4) ...................................... 4-6
4.5.7. Cylinder High (LBA 23-16) Register (Address—1F5[175]; Offset 5) ................................... 4-6
4.5.8. Drive/Head (LBA 27-24) Register (Address 1F6[176]; Offset 6)........................................... 4-6
4.5.9. Status & Alternate Status Registers (Address 1F7[177]&3F6[376]; Offsets 7 & Eh) ............ 4-6
4.5.10. Device Control Register (Address—3F6[376]; Offset Eh) ................................................... 4-7
4.5.11. Card (Drive) Address Register (Address 3F7[377]; Offset Fh) ............................................ 4-7
5. ATA Command Description............................................................................................................................... 5-1
5.1. ATA Command Set ........................................................................................................................... 5-1
5.1.1. Check Power Mode—98H, E5H ............................................................................................. 5-2
5.1.2. Execute Drive Diagnostic—90H............................................................................................. 5-3
5.1.3. Erase Sector(s)—C0H ............................................................................................................. 5-3
5.1.4. Format Track—50H ................................................................................................................ 5-4
5.1.5. Identify Drive—ECH .............................................................................................................. 5-4
5.1.5.1. Word 0: General Configuration ............................................................................ 5-6
5.1.5.2. Word 1: Default Number of Cylinders.................................................................. 5-6
5.1.5.3. Word 3: Default Number of Heads ....................................................................... 5-6
5.1.5.4. Word 4: Number of Unformatted Bytes per Track ............................................... 5-6
5.1.5.5. Word 5: Number of Unformatted Bytes per Sector .............................................. 5-7
5.1.5.6. Word 6: Default Number of Sectors per Track ..................................................... 5-7
5.1.5.7. Words 7-8: Number of Sectors per Card............................................................... 5-7
5.1.5.8. Words 10-19: Memory Card Serial Number......................................................... 5-7
5.1.5.9. Word 20: Buffer Type........................................................................................... 5-7
5.1.5.10. Word 21: Buffer Size .......................................................................................... 5-7
5.1.5.11. Word 22: ECC Count.......................................................................................... 5-7
5.1.5.12. Words 23-26: Firmware Revision....................................................................... 5-7
5.1.5.13. Words 27-46: Model Number ............................................................................. 5-7
5.1.5.14. Word 47: Read/Write Multiple Sector Count...................................................... 5-8
5.1.5.15. Word 48: Double Word Support ......................................................................... 5-8
5.1.5.16. Word 49: Capabilities ......................................................................................... 5-8
5.1.5.17. Word 51: PIO Data Transfer Cycle Timing Mode.............................................. 5-8
5.1.5.18. Word 52: Single Word DMA Data Transfer Cycle Timing Mode...................... 5-8
5.1.5.19. Word 53: Translation Parameters Valid.............................................................. 5-8
5.1.5.20. Words 54-56: Current Number of Cylinders, Heads, Sectors/Track................... 5-8
5.1.5.21. Words 57- 58: Current Capacity ......................................................................... 5-8
5.1.5.22. Word 59: Multiple Sector Setting ....................................................................... 5-8
5.1.5.23. Words 60-61: Total Sectors Addressable in LBA Mode..................................... 5-9
5.1.5.24. Word 64: Advanced PIO Transfer Modes Supported ......................................... 5-9
5.1.5.25. Word 67: Minimum PIO Transfer Cycle Time Without Flow Control............... 5-9
vi CompactFlash® Memory Card Product Manual, Rev. 11.0 ©2006 SanDisk Corporation
5 Page 
Introduction to the CompactFlash Memory Card
1.6.1. Technology Independence
The 512-byte sector size of the CompactFlash Memory Card is the same as that in an IDE magnetic disk drive. To
write or read a sector (or multiple sectors), the host computer software simply issues a Read or Write command to
the CompactFlash Memory Card. This command contains the address and the number of sectors to write/read. The
host software then waits for the command to complete. The host software does not get involved in the details of how
the flash memory is erased, programmed or read. This is extremely important as flash devices are expected to get
more and more complex in the future. Since the CompactFlash Memory Card Series uses an intelligent on-board
controller, the host system software will not require changing as new flash memory evolves. In other words, systems
that support the CompactFlash Memory Card today will be able to access future SanDisk cards built with new flash
technology without having to update or change host software.
1.6.2. Defect and Error Management
CompactFlash Memory Cards contain a sophisticated defect and error management system. This system is
analogous to the systems found in magnetic disk drives and in many cases offers enhancements. If necessary,
CompactFlash Memory Cards will rewrite data from a defective sector to a good sector. This is completely
transparent to the host and does not consume any user data space.
The CompactFlash Memory Card soft error rate specification is much better than the magnetic disk drive
specification. In the extremely rare case a read error does occur, CompactFlash Memory Cards have innovative
algorithms to recover the data.
These defect and error management systems, coupled with the solid state construction, give CompactFlash Memory
Cards unparalleled reliability.
1.6.3. Wear Leveling
Wear Leveling is an intrinsic part of the Erase Pooling functionality of SanDisk CF using NAND memory. The CF
WEAR LEVEL command is supported as a NOP operation to maintain backward compatibility with existing
software utilities.
1.6.4. Using the Erase Sector and Write without Erase Commands
CompactFlash Memory Cards support the CF ERASE SECTOR and WRITE WITHOUT ERASE commands. In
some applications, write operations may be faster if the addresses being written are first erased with the ERASE
SECTOR command. WRITE WITHOUT ERASE behaves as a normal write command and no performance gain
results from its use.
1-4 CompactFlash® Memory Card Product Manual, Rev. 11.0 ©2006 SanDisk Corporation
11 Page | ||
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