Silicon Image SSD-P08G(I)-3521 manual Independent I/O Mode Register Decoding

ATA AND TRUE IDE REGISTER DECODING SSD-PXXX(I)-3521 DATA SHEET

INDEPENDENT I/O MODE REGISTER DECODING

Independent I/O mode or contiguous I/O mode requires the host to decode a continuous block of 16 I/O registers to select the SiliconDrive.

Table 31: Independent I/O Mode Register Decoding

Reg#	Offset	A10	A9:A4	A3	A2	A1	A0	OE# = L	WE# = L
0	0	X	X	0	0	0	0	Even Data	Even Data
								Read	Write
0	1	X	X	0	0	0	1	Error	Feature
0	2	X	X	0	0	1	0	Sector Count	Sector Count
0	3	X	X	0	0	1	1	Sector	Sector
								Number	Number
0	4	X	X	0	1	0	0	Cylinder Low	Cylinder Low
0	5	X	X	0	1	0	1	Cylinder High	Cylinder High
0	6	X	X	0	1	1	0	Drive/Head	Drive/Head
0	7	X	X	0	1	1	1	Status	Command
0	8	X	X	1	0	0	0	Duplicate	Duplicate
								Even Data	Even Data
								Read	Write
0	9	X	X	1	0	0	1	Duplicate Odd	Duplicate Odd
								Data Read	Data Write
0	D	X	X	1	1	0	1	Duplicate Error	Duplicate
									Feature
0	E	X	X	1	1	1	0	Alternate	Device Control
								Status
0	F	X	X	1	1	1	1	Drive Address	Reserved

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3521P-02DSR PAGE 44 FEBRUARY 2, 2009