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FUJITSU MHV2120AT User Manual

Page 157

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5.3 Host Commands

C141-E218

5-81

*5 Word 50: Device capability

Bit 15:

0

Bit 14:

1

Bit 13 to 1 Reserved

Bit 0

Standby timer value '1' = Standby timer value of the device is the

smallest value.

*6 Word 51: PIO data transfer mode

Bit 15-8:

PIO data transfer mode

X’02’=PIO mode 2

Bit 7-0:

Undefined

*7 Word 53: Enable/disable setting of word 54-58 and 64-70

Bit 15-3:

Reserved

Bit 2:

1 = Enable the word 88

Bit 1:

1 = Enable the word 64-70

Bit 0:

1 = Enable the word 54-58

*8 Word 59: Transfer sector count currently set by READ/WRITE

MULTIPLE command

Bit 15-9:

Reserved

Bit 8:

1 = Enable the multiple sector transfer

Bit 7-0:

Transfer sector count currently set by READ/WRITE MULTIPLE
command without interrupt supports 2, 4, 8 and 16 sectors.

*9 Word 63: Multiword DMA transfer mode

Bit 15-11: Reserved

Bit 10:

'1' = multiword DMA mode 2 is selected.

Bit 9:

'1' = multiword DMA mode 1 is selected.

Bit 8:

'1' = multiword DMA mode 0 is selected.

Bit 7-3:

Reserved

Bit 2:

1 = Multiword DMA mode 2, 1, and 0 supported (Bit 1,0 = '1,1')

Bit 1:

1 = Multiword DMA mode 1, and 0 supported (Bit 0 = '1')

Bit 0:

1 = Mode 0

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