ES9820 datasheet(57/117 Pages) ESS

57 / 117 page

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CONFIDENTIAL ADVANCE INFORMATION 0.3

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

ES9820 Product Datasheet

Bits

[15:0]

Default

16'hFFFF

Bits

Mnemonic

Description

[15:0]

DITHER_MASK

Mask off the LSB's of PCM data output.

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16'h0000 => Quantized to 16 bits

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16'h8000 => Quantized to 17 bits

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16'hC000 => Quantized to18 bits

•

16'hE000 => Quantized to 19 bits

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16'hF000 => Quantized to 20 bits

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16'hF800 => Quantized to 21 bits

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16'hFC00 => Quantized to 22 bits

•

16'hFE00 => Quantized to 23 bits

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16'hFF00 => Quantized to 24 bits

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16'hFF80 => Quantized to 25 bits

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16'hFFC0 => Quantized to 26 bits

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16'hFFE0 => Quantized to 27 bits

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16'hFFF0 => Quantized to 28 bits

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16'hFFF8 => Quantized to 29 bits

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16'hFFFC => Quantized to 30 bits

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16'hFFFE => Quantized to 31 bits

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16'hFFFF => Quantized to 32 bits (default)

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others: Reserved

Bits

[7]

[6:0]

Default

1'b0

7'd4

Bits

Mnemonic

Description

[7]

DSD_SYNC_TO_1FS

In DSD mode, when enabled, DSD logic is sync to an 1FS

signal input from GPIO2. When not enabled, DSD logic is

sync to DSD clock input from GPIO1.

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1'b0: DSD logic is sync to DSD clock input from GPIO1

(default)

•

1'b1: DSD logic is sync to 1FS signal input from GPIO2

[6:0]

RESERVED

ES9820 Datasheet(PDF) 57 Page - ESS Technology,Inc

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