Silicon Image SSD-D32G(I)-4300 Ata And True Ide Register Decoding, CS0#, CS1#, DA02, DA01, DA00

ATA AND TRUE IDE REGISTER DECODING SSD-DXXX(I)-4300 DATA SHEET

ATA AND TRUE IDE REGISTER DECODING

SiliconDrive II can be configured as either a a memory-mapped or an an I/O devices. As noted earlier, communication to and from the drive is accomplished using the ATA Command Block.

TASK FILE REGISTER SPECIFICATION

The Task File registers are used for reading and writing the storage data in the SiliconDrive II. The decoded addresses are as shown in the following table.

Table 14: Task File Register Specification

CS0#	CS1#	DA02	DA01	DA00	DIOR# = L	DIOW# = L
0	1	0	0	0	Data	Data
0	1	0	0	1	Error	Feature
0	1	0	1	0	Sector Count	Sector Count
0	1	0	1	1	Sector Number	Sector Number
0	1	1	0	0	Cylinder Low	Cylinder Low
0	1	1	0	1	Cylinder High	Cylinder High
0	1	1	1	0	Drive/Head	Drive/Head
0	1	1	1	1	Status	Command
0	0	X	X	X	Invalid	Invalid
1	1	X	X	X	High-Z	Not Used
1	0	0	X	X	High-Z	Not Used
1	0	1	0	X	High-Z	Not Used
1	0	1	1	0	Alternate Status	Device Control
1	0	1	1	1	Device Address	Not Used

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4300D-00DSR PAGE 27 FEBRUARY 27, 2009