WM8595 datasheet(44/82 Pages) WOLFSON

Part #	WM8595

Description	24-bit 192kHz 2Vrms Multi-Channel CODEC

PDF	82 Pages

Scroll/Zoom	100%

Manufacturer	WOLFSON [Wolfson Microelectronics plc]

Direct Link	http://www.wolfsonmicro.com

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44 / 82 page

WM8595

Production Data

PD, Rev 4.2, January 2011

USING GPIO PINS AS ADDITIONAL DATA PINS

There are two GPIO pins, GPIO1 and GPIO2, which can be used as additional pins to connect to

external devices. GPIO1 is controlled by GPIO1_SEL[2:0] and GPIO2 by GPIO2_SEL[2:0].

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R45

AIF_MUX9

2Dh

3:1

GPIO1_

SEL[2:0]

101

GPIO1 Pin Function Select

000 = Source DACDAT1

001 = Source DACDAT2

010 = Source ADCDAT

011 to 100 = Reserved

101 = Input to WM8595

110 = Source GPIO2

111 = Source ADC Data Output

Table 36 GPIO1 Audio Interface Mux Configuration

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R46

AIF_MUX10

2Eh

3:1

GPIO2_

SEL[2:0]

000

GPIO2 Pin Function Select

000 = Source DACDAT1

001 = Source DACDAT2

010 = Source ADCDAT

011 to 100 = Reserved

101 = Source GPIO1

110 = Input to WM8595

111 = Source ADC Data Output

Table 37 GPIO2 Audio Interface Mux Configuration

WM8595 Datasheet(PDF) 44 Page - Wolfson Microelectronics plc

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