ES9033 datasheet(74/103 Pages) ESS

74 / 103 page

0.3.1

ES9033 Datasheet Information

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

Bits

[15]

[14]

[13]

[12]

[11]

[10:0]

Default

1’b1

1’b0

1’b1

11’d15

Bits

Mnemonic

Description

[15]

AUTOMUTE_RAMP_TO_GROUND

When ramped to minimum volume during normal mute, allow

soft ramp to ground for power saving.

•

1’b0: Disabled

•

1’b1: Enabled (default)

Note: Normal mute includes 74utomate, mute by register and

mute by GPIO.

[14]

AUTOMUTE_WAIT_ON_DRE

Automute flag control.

•

1’b0: Automute is flagged when 74utomate condition

is met

•

1’b1: Automute is flagged when 74utomate condition

is met and DRE is engaged (default)

[13]

RESERVED

[12]

AUTOMUTE_EN_CH2

Channel 2 automute.

•

1’b0: Disables ch2 automute

•

1’b1: Enables ch2 automute (default)

Note: Automute is available for PCM only

[11]

AUTOMUTE_EN_CH1

Channel 1 automute.

•

1’b0: Disables ch1 automute

•

1’b1: Enables ch1 automute (default)

Note: Automute is available for PCM only

[10:0]

AUTOMUTE_TIME

Configures the amount of time in seconds the audio must

remain below AUTOMUTE_LEVEL before an 74utomate

condition is flagged.

Valid from 0 (disabled) to 11’h7FF (fastest), where 11’h001 is

the slowest

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