SanDisk CompactFlash 5000 Manual Página 51

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SanDisk Industrial Grade CompactFlash 5000 Product Manual
© 2007 SanDisk® Corporation 44 July 2007
Bit Name Description
3F6 (or 170-177, 176) to the card, if possible, or using an additional
primary/secondary configuration in the card, if provided, that does not
respond to accesses to I/O locations 3F7 and 377. With either of these
implementations, the host software must not attempt to use information in the
Drive Address Register.
D6 -WTG This bit is 0 when a write operation is in progress, otherwise it is 1.
D5 -HS3 This bit is the negation of bit 3 in the Drive/Head Register.
D4 -HS2 This bit is the negation of bit 2 in the Drive/Head Register.
D3 -HS1 This bit is the negation of bit 1 in the Drive/Head Register.
D2 -HS0 This bit is the negation of bit 0 in the Drive/Head Register.
D1 -nDS1 This bit is 0 when drive 1 is active and selected.
D0 -nDS0 This bit is 0 when the drive 0 is active and selected.
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