ES9826 datasheet(55/88 Pages) ESS

55 / 88 page

ES9826 Datasheet

VERSION 0.1.2

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'd0

4'd2

Bits

Mnemonic

Description

[7:4]

GPIO4_CFG

Configure GPIO4 function selection.

• 4'd0: Analog outputs off – shutdown (default)

• 4'd1: Aux inputs – input

• 4'd2: Aux outputs – output

• 4'd3: Reserved

• 4'd4: Reserved

• 4'd5: CH1 PEAK_FLAG interrupt – output

• 4'd6: CH2 PEAK_FLAG interrupt – output

• 4'd7: OR of all interrupts – output

• 4'd8: S/PDIF data stream – output

• 4'd9: PWM Signal – output

• 4'd10: CH1 ARE interrupt – output

• 4'd11: CH2 ARE interrupt – output

• 4'd12: CLK_IADC – output

• 4'd13: CLK_ADC – output

• 4'd14: Output 0 – output

• 4'd15: Output 1 – output

[3:0]

GPIO3_CFG

Configure GPIO3 function selection.

• 4'd0: Analog outputs off – shutdown

• 4'd1: Aux inputs – input

• 4'd2: Aux outputs – output (default)

• 4'd3: Reserved

• 4'd4: Reserved

• 4'd5: CH1 PEAK_FLAG interrupt – output

• 4'd6: CH2 PEAK_FLAG interrupt – output

• 4'd7: OR of all interrupts – output

• 4'd8: S/PDIF data stream – output

• 4'd9: PWM Signal – output

• 4'd10: CH1 ARE interrupt – output

• 4'd11: CH2 ARE interrupt – output

• 4'd12: CLK_IADC – output

• 4'd13: CLK_ADC – output

• 4'd14: Output 0 – output

• 4'd15: Output 1 – output

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