ES9027PRO datasheet(52/89 Pages) ESS

52 / 89 page

ES9027PRO Datasheet

VERSION 0.4.1

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

GPIO Registers

Bits

[7:4]

[3:0]

Default

4'd7

4'd13

Bits

Mnemonic

Description

[7:4]

GPIO2_CFG

Configures GPIO2

•

4'd0: analog shutdown - shutdown

•

4'd1: output 0 – output

•

4'd2: output 1 – output

•

4'd3: CLK_IDAC – output

•

4'd4: interrupt – output

•

4'd5: mute all channel - input

•

4'd6: input selection - input

•

4'd7: LOCK_STATUS – output (default)

•

4'd8: CLKEN_1FS – output

•

4'd9: output PWM1 – output

•

4'd10: output PWM2 – output

•

4'd11: output PWM3 – output

•

4'd12: volume minimum – output

•

4'd13: automute status – output

•

4'd14: soft ramp done – output

•

4'd15: Reserved

[3:0]

GPIO1_CFG

Configures GPIO1

•

4'd0: analog shutdown - shutdown

•

4'd1: output 0 – output

•

4'd2: output 1 – output

•

4'd3: CLK_IDAC – output

•

4'd4: interrupt – output

•

4'd5: mute all channel - input

•

4'd6: input selection - input

•

4'd7: LOCK_STATUS – output

•

4'd8: CLKEN_1FS – output

•

4'd9: output PWM1 – output

•

4'd10: output PWM2 – output

•

4'd11: output PWM3 – output

•

4'd12: volume minimum – output

•

4'd13: automute status – output (default)

•

4'd14: soft ramp done – output

•

4'd15: Reserved

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