SMC032BFY6 datasheet(59/91 Pages) STMICROELECTRONICS

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SMCxxxBF

CF-ATA command description

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10.4.4

Word 6: Default Number of Sectors per Track

This field contains the number of sectors per track in the default translation mode.

10.4.5

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.

10.4.6

Word 10-19: Memory Card Serial Number

The contents of this field are right justified and padded with spaces (20h).

10.4.7

Word 23-26: Firmware Revision

This field contains the revision of the firmware for this product.

10.4.8

Word 27-46: Model Number

This field contains the model number for this product and is left justified and padded with

spaces (20h).

10.4.9

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.

10.4.10

Word 49: Capabilities

●

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.

10.4.11

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.

10.4.12

Word 53: Translation Parameter Valid

●

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

10.4.13

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.

SMC032BFY6 Datasheet(PDF) 59 Page - STMicroelectronics

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