ES9038Q2M datasheet(48/65 Pages) ESS

48 / 65 page

CONFIDENTIAL Rev. 1.3

July 17, 2019

ES9038Q2M Datasheet

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

8800 • Fax (408) 643-8801

Bits

[7:6]

[5:4]

[3]

[2]

[1]

[0]

Mnemonic

Reserved

reserved

dop_valid

spdif_valid

i2s_select

dsd_select

Default

2’b00

1’b0

Bit

Mnemonic

Description

[7:6]

reserved

[5:4]

reserved

[3]

dop_valid

Contains the status of the DoP decoder.

•

1’b0: The DoP decoder has not detected a valid DoP signal.

•

1’b1: The DoP decoder has detected a valid DoP signal on the

I2S input.

[2]

spdif_valid

Contains the status of the SPDIF decoder.

•

1’b0: The SPDIF decoder has not found a valid SPDIF signal.

•

1’b1: The SPDIF decoder has detected a valid SPDIF signal.

[1]

i2s_select

Contains the status of the I2S decoder.

•

1’b0: The I2S decoder has not found a valid frame clock or bit

clock.

•

1’b1: The I2S decoder has detected a valid frame clock and bit

clock arrangement.

[0]

dsd_select

Contains the status of the DSD decoder.

•

1’b0: The DSD decoder is not being used.

•

1’b1: The DSD decoder is being used as a fallback option if I2S

has failed to decode their respective input signals.

Bits

[23:0]

Mnemonic

adc_ch1

Default

24’d0

Bit

Mnemonic

Description

[23:0]

adc_ch1

A signed 24-bit number for ADC channel 1. This value is latched on the

reading of the LSBs (register 100).

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