SMC256BFY6E NUMONYX [Numonyx B.V], SMC256BFY6E Datasheet - Page 60
SMC256BFY6E
Manufacturer Part Number
SMC256BFY6E
Description
Manufacturer
NUMONYX [Numonyx B.V]
Datasheet
1.SMC256BFY6E.pdf
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CF-ATA command description
10.4.14
10.4.15
10.4.16
10.4.17
Note:
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Word 57-58: Current Capacity
This field contains the product of the current cylinders, heads and sectors.
Word 59: Multiple Sector Setting
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Word 60-61: Total Sectors Addressable in LBA Mode
This field contains the number of sectors addressable for the Card in LBA mode only.
Word 63: Multi-Word DMA transfer
Bits 15 through 8 of Word 63 of the Identify Device parameter information identifies which
Multi-Word DMA mode that has been selected by host.Each bit of Word 0 is significant. Only
one of these bits can be set to ‘1’ by the CompactFlash Storage Card to indicate the Multi-
Word DMA mode which is currently selected:
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Bits 7 to 0 define the Multi-Word DMA data transfer supported field. Any number of bits may
be set to one in this field by the CompactFlash Storage Card to indicate which Multi-Word
DMA mode is supported:
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Selection of Multi-Word DMA modes 3 and above are specific to CompactFlash, and are
reported in Word 163.
Support for Multi-Word DMA modes 3 and above are specific to CompactFlash are reported
in Word 163.
Bits 15-9 are reserved and must be set to ‘0’.
Bit 8 is set to ‘1’, to indicate that the Multiple Sector Setting is valid.
Bits 7-0 are the current setting for the number of sectors to be transferred for every
interrupt, on Read/Write Multiple commands; the only values returned are ‘00h’ or
‘01h’.
Bits 15 to 11 are reserved.
Bit 10: when set to ‘1’, it indicates that Multi-Word DMA mode 1 has been selected.
Bit 9: when set to ‘1’, it indicates that Multi-Word DMA mode 1 has been selected.
Bit 8: when set to ‘1’, it indicates that Multi-Word DMA mode 0 has been selected.
Bit 7 to 3 are reserved.
Bit 2: when set to ‘1’, it indicates that the CompactFlash Storage Card supports Multi-
Word DMA modes 2, 1 and 0.
Bit 1: when set to ‘1’, it indicates that the CompactFlash Storage Card supports Multi-
Word DMA modes 1 and 0.
Bit 0: when set to ‘1’, it indicates that the CompactFlash Storage Card supports Multi-
Word DMA mode 0.
SMCxxxBF
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