FUJITSU MHK2090AT User Manual

Page 108

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5.3 Host Commands

C141-E088-03EN

5-35

Table 5.4 Information to be read by IDENTIFY DEVICE command (4 of 8)

Bit 13:

Standby timer value. Factory default is 0.

Bit 12:

Reserved

Bit 11:

IORDY support

1=Supported

Bit 10:

IORDY inhibition

0=Disable inhibition

Bit 9-0:

Undefined

Bit 9, 8:

Always 1

*4 Word 51: PIO data transfer mode

Bit 15-8:

PIO data transfer mode

X’02’=PIO mode 2

Bit 7-0:

Undefined

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

Bit 15-3:

Reserved

Bit 2:

Enable/disable setting of word 88

1=Enable

Bit 1:

Enable/disable setting of word 64-70

1=Enable

Bit 0:

Enable/disable setting of word 54-58

1=Enable

*6 Word 59:

Transfer sector count currently set by READ/WRITE MULTIPLE
command

Bit 15-9:

Reserved

Bit 8:

Multiple sector transfer 1=Enable

Bit 7-0:

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

*7 Word 63: Multiword DMA transfer mode

Bit 15-8:

Currently used multiword DMA transfer mode

Bit 7-0:

Supportable multiword DMA transfer mode

Bit 2=1 Mode 2

Bit 1=1 Mode 1

Bit 0=1 Mode 0

*8 Word 64: Advance PIO transfer mode support status

Bit 15-8:

Reserved

Bit 7-0:

Advance PIO transfer mode

Bit 1 = 1 Mode 4

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