ATTRIBUTE MEMORY DESCRIPTION AND OPERATION

SSD-PXXX(I)-3521 DATA SHEET

CONFIGURATION OPTION REGISTER (200H)

The Configuration Option register is used to configure the SiliconDrive CF, define the address decoding, and initiate the software RESET sequence.

Table 22: Configuration Option Register (200h)

Operation

D7

D6

D5

D4

D3

D2

 

D1

D0

Read/

SRESET

LevIREQ

 

 

Configuration Index

 

 

Write

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Default

0

0

0

0

0

0

 

0

0

Value

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit(s)

Description

 

 

 

SRESET

When set, this bit initiates a software-reset sequence, which

 

is equivalent to a power-on reset or hardware reset.

 

 

LevlREQ

IREQ# interrupt signal level mode select:

 

• Logic 0 = Pulse mode

 

 

• Logic 1 = Level mode

 

 

 

 

 

Configuration

Memory-mapped mode

000000B

Index

Independent I/O mode

000001B

 

Primary mode

000010B

 

Secondary mode

000011B

 

 

 

 

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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.

3521P-02DSR

PAGE 37

FEBRUARY 2, 2009

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Silicon Image SSD-P08G(I)-3521 manual Configuration Option Register 200h, Sreset, Bits Description