ES9027QPRO datasheet(39/89 Pages) ESS

39 / 89 page

ES9027PRO Datasheet

VERSION 0.4.1

ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM

Some reserved registers values might be asserted in default mode. This is normal and does not need to be changed.

System Registers

Bits

[7]

[6]

[5:4]

[3]

[2]

[1]

[0]

Default

1'b0

2'b00

1'b0

Bits

Mnemonic

Description

[7]

SOFT_RESET

Performs soft reset to digital core

[6]

ENABLE_64FS_MODE

Enables 64FS mode for 768kHz sample rate.

•

1'b0: 64FS mode disabled (default)

•

1'b1: 64FS mode enabled

[5:4]

CH78_SEL

Selects ch7/8 nsmod input.

•

2'b00: Input from ch7/8 interpolation path (default)

•

2'b01: Input from ch5/6 interpolation path

•

2'b10: Input from ch1/2 interpolation path

•

2'b11: Reserved

[3]

CH56_SEL

Selects ch5/6 nsmod input.

•

1'b0: Input from ch5/6 interpolation path (default)

•

1'b1: Input from ch1/2 interpolation path

[2]

CH34_SEL

Selects ch3/4 nsmod input.

•

1'b0: Input from ch3/4 interpolation path (default)

•

1'b1: Input from ch1/2 interpolation path

[1]

DAC_MODE_REG

Enables DAC data path

•

1'b0: DAC disabled

•

1'b1: DAC enabled

[0]

RESERVED

ES9027QPRO Datasheet(PDF) 39 Page - ESS Technology,Inc

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