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This document and the information contained within it is confidential and proprietary to SiliconSystems, Inc.
All unauthorized use and/or reproduction is prohibited.
PAGE 14 JUNE 17, 2008 DOCUMENT: 3650H-02DSR
SSD-HXXX(I)-3650 DATA SHEET ATA AND TRUE IDE REGISTER DECODING
ATA AND TRUE IDE REGISTER DECODING
SiliconDrive 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. The decoded addresses are as shown in the following table.
Table 16: Task File Register Specification
CS0# CS1# DA02 DA01 DA00 DIOR# = L DIOW# = L
01000Data Data
01001Error Feature
01010Sector CountSector Count
01011Sector NumberSector Number
01100Cylinder LowCylinder Low
01101Cylinder HighCylinder High
01110Drive/HeadDrive/Head
01111Status Command
00XXXInvalid Invalid
1 1 X X X High-Z Not Used
1 0 0 X X High-Z Not Used
1010XHigh-Z Not Used
10110Alternate StatusDevice Control
10111Device AddressNot Used