Silicon-image SiliconDrive SSDS00-3650H-R Manuel d'utilisateur télécharger pdf (Page 38)

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PAGE 26 JUNE 17, 2008 DOCUMENT: 3650H-02DSR

SSD-HXXX(I)-3650 DATA SHEET ATA REGISTERS

DEVICE ADDRESS REGISTER

The Device Address register is used to maintain compatibility with ATA disk

drive interfaces.

Table 28: Device Address Register

Operation

Read/Write - nWTG nHS3 nHS2 nHS1 nHS0 nDS1 nDS0

Default Value 0 0 1 1 1 1 1 0

Bit(s) Description

7 Reserved bit.

6 Write Gate (nWTG). Low when a write to the device is in process.

5-2 nHS3 to nHS0. The negated binary address of the currently selected

head.

1 nDS1. Low when drive 1 is selected and active.

0 nDS0. Low when drive 0 is selected and active.

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 77 78

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Silicon-image SiliconDrive SSDS00-3650H-R Manuel d'utilisateur Page 38