ES9080 datasheet(101/146 Pages) ESS

101 / 146 page

CONFIDENTIAL ADVANCE INFORMATION 0.4.3

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

101

ES9080 Product Datasheet

Bits

[7]

[6:4]

[3]

[2]

[1:0]

Default

1'b0

3'd0

1'b0

2'b00

Bits

Mnemonic

Description

[7]

RESERVED

[6:4]

IIR_DITHER_SEL

Selects different types of dither

•

3'd0: mode_1 (default), if SELECT_IDAC_NUM = 0

•

3'd1: mode_2, if SELECT_IDAC_NUM = 1

•

3'd2: mode_3, if SELECT_IDAC_NUM = 2

•

3'd3: mode_4, if SELECT_IDAC_NUM = 3

•

3'd4: mode_6, if SELECT_IDAC_NUM = 5

•

3'd5-7: mode_8, if SELECT_IDAC_NUM>=7

Note: Change to 3’d5 (mode_8) which is best for all

sample rates

[3]

RESERVED

[2]

ENABLE_1_8TH_GAIN_MODE

Enables 1/8 gain mode in the NSMOD.

•

1'b0: Disables 1/8 gain mode (default)

•

1'b1: Enables 1/8 gain mode

[1:0]

RESERVED

Bits

[7:4]

[3:0]

Default

4'd0

Bits

Mnemonic

Description

[7:4]

DITHER_SCALE_CH2

Alters the amount of dither to inject into the ch2 NS quantizer

•

4’d0: Minimum (default)

•

4’d15: Maximum

[3:0]

DITHER_SCALE_CH1

Alters the amount of dither to inject into the ch1 NS quantizer

•

4’d0: Minimum (default)

•

4’d15: Maximum

ES9080 Datasheet(PDF) 101 Page - ESS Technology,Inc

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