ES9039Q2M datasheet(85/107 Pages) ESS

85 / 107 page

VERSION 0.2.2

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

ES9039Q2M Product Datasheet

Bits

[7:4]

[3]

[2:0]

Default

4'd0

1'b0

3'd4

Bits

Mnemonic

Description

[7:4]

SPDIF_SEL

Selects the S/PDIF data input pin.

• 4'd0: Disconnected

• 4'd1: DATA1

• 4'd2: DATA2

• 4'd3: GPIO1

• 4'd4: GPIO2

• 4'd5: GPIO3

• 4'd6: GPIO4

• 4'd7: GPIO5

• 4'd8: GPIO6

• 4'd9: GPIO7

• 4'd10: GPIO8

• Others: Reserved

Note: GPIOx pins also require the GPIOx_SDB to be enabled.

[3]

VOLUME_HOLD

Hold volume coefficients to allow for all channels to update at

same time.

• 1'b0: Channel volume will update with changes to reg 74-

75.

• 1'b1: Channel volumes will not update.

[2:0]

IIR_BW

Controls the IIR bandwidth in the digital datapath.

• 3'd0: Reserved

• 3'd1: BW * 8

• 3'd2: BW * 4

• 3'd3: BW * 2

• 3'd4: BW (default)

• 3'd5: BW / 2

• 3'd6: BW / 4

• 3'd7: BW / 8

ES9039Q2M Datasheet(PDF) 85 Page - ESS Technology,Inc

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