ATA REGISTERS

SSD-HXXX(I)-3500 DATA SHEET

DEVICE CONTROL REGISTER

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

Table 28: Device Control Register

Operation

D7

D6

D5

D4

D3

D2

D1

D0

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.

1Interrupt 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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3500H-03DSR

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FEBRUARY 2, 2009

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Silicon Image SSD-H16G(I)-3500 manual Device Control Register, Operation Write, NIEN Bits Description