Device control register, Table 27: device control register – Silicon Image SiliconDrive SSDS00-3650H-R User Manual

Page 37

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ATA R

EGISTERS

SSD-H

XXX

(I)-3650 D

ATA

S

HEET

S

ILICON

S

YSTEMS

P

ROPRIETARY

This document and the information contained within it is confidential and proprietary to SiliconSystems, Inc.

All unauthorized use and/or reproduction is prohibited.

D

OCUMENT

: 3650H-02DSR

J

UNE

17, 2008

P

AGE

25

D

EVICE

C

ONTROL

R

EGISTER

The Device Control register is used to control the interrupt request and issue
ATA software resets.

Table 27: Device Control Register

Operation

D

7

D

6

D

5

D

4

D

3

D

2

D

1

D

0

Write

-

-

-

-

1

SRST

nIEN

0

Bit(s)

Description

7-4

Reserved bits.

3

Always set to 1.

2

Software Reset (SRST).

When set, resets the ATA software.

1

Interrupt Enable (nIEN).

When set, device interrupts are disabled.

There is no function in the memory-mapped mode.

0

Always set to 0.

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