ES9028PRO datasheet(18/57 Pages) ESS

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CONFIDENTIAL INFORMATION v3.6

July 6, 2020

ES9028PRO 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

Bits

[7:0]

Mnemonic

reserved

Default

8’b00000000

Bits

[7:0]

Mnemonic

automute_time

Default

8’d0

Bit

Mnemonic

Description

[7:0]

automute_time

Configures the amount of time the audio data must remain below the

automute_level before an automute condition is flagged. Defaults to

0 which disables automute.

Time in seconds =

2096896

automute_time ∗ FSR

Bits

[7]

[6:0]

Mnemonic

reserved

automute_level

Default

1’b0

7’d104

Bit

Mnemonic

Description

[7]

reserved

[6:0]

automute_level

Configures the threshold which the audio must be below before an

automute condition is flagged. The level is measured in decibels (dB)

and defaults to -104dB.

Note: This register works in tandem with automute_time to create the

automute condition.

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