ANALOG PRODUCTS DIVISION

561 E. Elliot Road #175 Chandler, AZ 85225 Tel: (480) 539-2900. Fax: (480) 632-1715

www.protekanalog.com

PA5331

Low Power 24-Bit, Stereo Audio CODEC

With Headphone Amplifier

95250 Rev.0. 01/10

NOT FOR USE IN LIFE SUPPORT SYSTEMS

Register 10

– ADC Control 2, Default 0000 0000

Bit Name

Bit

Description

LINSEL

7:6

Left channel input select

00

– reserved (default)

01

– LINPUT1

10

– reserved

11

– L-R differential (either LINPUT1-RINPUT1, selected by DS)

RINSEL

5:4

Right channel input select

00

– reserved (default)

01

– RINPUT1

10

– LINPUT2

11

– L-R differential (either LINPUT1-RINPUT1, selected by DS)

Register 11

– ADC Control 3, Default 0000 0110

Bit Name

Bit

Description

DS

7

Differential input select

0

– reserved (default)

1

– LINPUT1-RINPUT1

MONOMIX

4:3

00

– stereo (default)

01

– analog mono mix to left ADC

10

– analog mono mix to right ADC

11

– reserved

TRI

2

0

– ASDOUT is ADC normal output (default)

1

– ASDOUT tri-stated, ALRCK, DLRCK and SCLK are inputs

OC[1:0]

1:0

00

– over current setting (default)

Register 12

– ADC Control 4, Default 0000 0000

Bit Name

Bit

Description

DATSEL

7:6

00

– left data = left ADC, right data = right ADC

01

– left data = left ADC, right data = left ADC

10

– left data = right ADC, right data = right ADC

11

– left data = right ADC, right data = left ADC

ADCLRP

5

I2S, left justified or right justified mode:

0

– left and right normal polarity

1

– left and right inverted polarity

DSP/PCM mode:

0

– MSB is available on 2nd BCLK rising edge after ALRCK rising edge

1

– MSB is available on 1st BCLK rising edge after ALRCK rising edge

ADCWL

4:2

000

– 24-bit serial audio data word length

001

– 20-bit serial audio data word length

010

– 18-bit serial audio data word length

011

– 16-bit serial audio data word length

100

– 32-bit serial audio data word length

ADCFORMAT

1:0

00

– I2S serial audio data format

01

– left justify serial audio data format

10

– right justify serial audio data format

11

– DSP/PCM mode serial audio data format

Register 13

– ADC Control 5, Default 0000 0110

Bit Name

Bit

Description

ADCFsMode

5

0

– single speed mode (default)

1

– double speed mode

ADCFsRatio

4:0

Master mode ADC MCLK to sampling frequency ratio