ES9038PRO datasheet(36/58 Pages) ESS

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CONFIDENTIAL ADVANCE INFORMATION v3.6

March 5, 2019

ES9038PRO Flagship 32-Bit HyperStream® II 8-Channel Audio DAC

ESS TECHNOLOGY, INC. 237 South Hillview Drive, Milpitas, CA 95035, USA. Tel (408) 643-

8800 • Fax (408) 643-8801

Registers 47-52: ADC Filter Configuration

The SABRE DAC contains two decimation filters for filtering the ADC data. The filters are configurable via the ADC

filter configuration registers. They are set as a low-pass filter by default. The low-pass filter is derived from

commercial software.

Bits

[15:0]

Mnemonic

adc_ftr_scale

Default

16’d992

Bits

[15:0]

Mnemonic

adc_fbq_scale1

Default

16’d1024

Bits

[15:0]

Mnemonic

adc_fbq_scale2

Default

16’d1024

Bits

[7:0]

Mnemonic

reserved

Default

8’b00000000

Bits

[7]

[6:0]

Mnemonic

DoP Bypass

reserved

Default

1’b1

’b1110000

Bit

Mnemonic

Description

[7]

DoP Bypass

Selects whether the DAC will be able decode DoP audio data.

•

1’b0: enables the DoP transcoder

•

1’b1: disables the DoP transcoder (default)

[6:0]

Reserved

Bits

[15:0]

Mnemonic

reserved

Default

16’d0

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