smc256bfd6e STMicroelectronics, smc256bfd6e Datasheet - Page 59

• Manufacturer Part Number: smc256bfd6e
• Description: 32mbyte, 64mbyte, 128mbyte, 256mbyte, 512mbyte, 1gbyte, 2gbyte, And 4gbyte 3.3/5v Supply Compactflash Card
• Manufacturer: STMicroelectronics

SMCxxxBF
10.4.4
10.4.5
10.4.6
10.4.7
10.4.8
10.4.9
10.4.10
10.4.11
10.4.12
10.4.13
Word 6: Default Number of Sectors per Track
This field contains the number of sectors per track in the default translation mode.
Word 7-8: Number of Sectors per Card
This field contains the number of sectors per Card. This double Word value is also the first
invalid address in LBA translation mode.
Word 10-19: Memory Card Serial Number
The contents of this field are right justified and padded with spaces (20h).
Word 23-26: Firmware Revision
This field contains the revision of the firmware for this product.
Word 27-46: Model Number
This field contains the model number for this product and is left justified and padded with
spaces (20h).
Word 47: Read/Write Multiple Sector Count
This field contains the maximum number of sectors that can be read or written per interrupt
using the Read Multiple or Write Multiple commands.
Word 49: Capabilities
Word 51: PIO Data Transfer Cycle Timing Mode
This field defines the mode for PIO data transfer. For backward compatibility with BIOSs
written before Word 64 was defined for advanced modes, a device reports in Word 51, the
highest original PIO mode it can support (PIO mode 0, 1 or 2).
Bits 15-8: are set to 02H.
Word 53: Translation Parameter Valid
Word 54-56: Current Number of Cylinders, Heads, Sectors/Track
These fields contains the current number of user addressable Cylinders, Heads, and
Sectors/Track in the current translation mode.
Bit 13 Standby Timer: is set to ’0’ to indicate that the Standby timer operation is defined
by the manufacturer.
Bit 9 LBA support: CompactFlash Memory Cards support LBA mode addressing.
Bit 8 DMA Support: Read/Write DMA commands are supported.
Bit 1: is set to '1' to indicate that Words 64 to 70 are valid
Bit 0: is set to '1' to indicate that Words 54 to 58 are valid
CF-ATA command description
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