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PDF SDCF2B-256 Data sheet ( Hoja de datos )
| Número de pieza | SDCF2B-256 | |
| Descripción | Memory Card Product Manual | |
| Fabricantes | Sandisk | |
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CompactFlashTM
Memory Card
Product Manual
®
CORPORATE HEADQUARTERS
140 Caspian Court
Sunnyvale, CA 94089
408-542-0500
FAX: 408-542-0503
URL: http://www.sandisk.com
Free Datasheet http://www.datasheet4u.com/
1 page  
CompactFlash Memory Card Product Manual
Table of Contents (continued)
6.1.5.12 Firmware Revision.............................................................................. 61
6.1.5.13 Model Number .................................................................................... 61
6.1.5.14 Read/Write Multiple Sector Count ...................................................... 62
6.1.5.15 Double Word Support .......................................................................... 62
6.1.5.16 Capabilities ....................................................................................... 62
6.1.5.17 PIO Data Transfer Cycle Timing Mode................................................. 62
6.1.5.18 DMA Data Transfer Cycle Timing Mode............................................... 62
6.1.5.19 Translation Parameters Valid............................................................. 62
6.1.5.20 Current Number of Cylinders, Heads, Sectors/Track ............................. 62
6.1.5.21 Current Capacity ................................................................................ 62
6.1.5.22 Multiple Sector Setting ....................................................................... 62
6.1.5.23 Total Sectors Addressable in LBA Mode............................................... 62
6.1.6 Idle - 97H, E3H .................................................................................................. 63
6.1.7 Idle Immediate - 95H, E1H................................................................................. 63
6.1.8 Initialize Drive Parameters - 91H ...................................................................... 64
6.1.9 Read Buffer - E4H.............................................................................................. 64
6.1.10 Read Multiple - C4H.......................................................................................... 65
6.1.11 Read Long Sector - 22H, 23H............................................................................... 66
6.1.12 Read Sector(s) - 20H, 21H................................................................................... 66
6.1.13 Read Verify Sector(s) - 40H, 41H........................................................................ 67
6.1.14 Recalibrate - 1XH .............................................................................................. 67
6.1.15 Request Sense - 03H ............................................................................................ 68
6.1.16 Seek - 7XH......................................................................................................... 69
6.1.17 Set Features - EFH ............................................................................................. 69
6.1.18 Set Multiple Mode - C6H.................................................................................... 71
6.1.19 Set Sleep Mode- 99H, E6H.................................................................................. 71
6.1.20 Standby - 96H, E2H............................................................................................ 72
6.1.21 Standby Immediate - 94H, E0H .......................................................................... 72
6.1.22 Translate Sector - 87H........................................................................................ 73
6.1.23 Wear Level - F5H .............................................................................................. 74
6.1.24 Write Buffer - E8H............................................................................................. 74
6.1.25 Write Long Sector - 32H, 33H.............................................................................. 75
6.1.26 Write Multiple Command - C5H......................................................................... 75
6.1.27 Write Multiple without Erase - CDH ................................................................. 76
6.1.28 Write Sector(s) - 30H, 31H ................................................................................. 77
6.1.29 Write Sector(s) without Erase - 38H ................................................................... 77
6.1.30 Write Verify Sector(s) - 3CH.............................................................................. 78
6.2 Error Posting .................................................................................................................. 79
7.0 CIS Description.....................................................................................................................81
Ordering Information and Technical Support .................................................................................97
Ordering Information .............................................................................................................. 99
CompactFlash Memory Card.......................................................................................... 99
SanDisk ImageMate™ CompactFlash Drive.................................................................. 99
CompactFlash Memory Card Evaluation Kit .................................................................. 99
System Software, Card Reader/Writers and Connectors
Compatible with the SanDisk CompactFlash Memory Cards ........................................100
Technical Support Services.....................................................................................................104
SanDisk CompactFlash Memory Card Product Manual Rev. 7 © 2000 SANDISK CORPORATION
5
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5 Page 
CompactFlash Memory Card Product Manual
1.7.6 Automatic Sleep Mode
1.7.7 Dynamic Adjustment of Performance
versus Power Consumption
A unique feature of the SanDisk CompactFlash
Memory Card (and other SanDisk products) is
automatic entrance and exit from sleep mode.
Upon completion of a command, t h e
CompactFlash Card will enter the sleep mode to
conserve power if no further commands are
received within 5 msec. The host does not have to
take any action for this to occur. In most systems,
the CompactFlash Memory Card is in sleep mode
except when the host is accessing it, thus
conserving power. Note that the delay from
command completion to entering sleep mode can be
adjusted.
When the host is ready to access t h e
CompactFlash Memory Card and it is in sleep
mode, any command issued to the CompactFlash
Card will cause it to exit sleep and respond. The
host does not have to follow the ATA protocol of
issuing a reset first. It may do this if desired, but
it is not needed. By not issuing the reset,
performance is improved through the reduction of
overhead but this must be done only for t h e
SanDisk products as other ATA products may not
support this feature.
This feature is no longer supported. This command
will be treated as a NOP (No Operation) to
guarantee backward compatibility.
1.7.8 Power Supply Requirements
This is a dual voltage product which means i t
will operate at a voltage range of 3.30 volts ± 5%
or 5.00 volts ± 10% (± 5% for industrial versions).
Per the PCMCIA specification section 2.1.1, t h e
host system must apply 0 volts in order to change a
voltage range. This same procedure of providing 0
volts to the card is required if the host system
applies an input voltage outside the desired
voltage by more than 20%. This means less than
4.0 volts for the 5.00 volt range and less than 2.70
volts for the 3.30 volt range.
SanDisk CompactFlash Memory Card Product Manual Rev. 7 © 2000 SANDISK CORPORATION
11
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