ANALOG PRODUCTS DIVISION

561 E. Elliot Road #175 Chandler, AZ 85225 Tel: (480) 539-2900. Fax: (480) 747-1715

www.protekanalog.com

PA5155

Low Power Stereo Audio CODEC

With Headphone Amplifier

95244 Rev.0. 01/10

NOT FOR USE IN LIFE SUPPORT SYSTEMS

111

– -15 dB (default)

MI2LOMU

3

1

– mute microphone in to left out mixer (default)

0

– not mute

MI2LOVOL

2:0

Microphone in to left out mixer volume control

000

– 6 dB

001

– 3 dB

010

– 0 dB

011

– -3 dB

100

– -6 dB

101

– -9 dB

110

– -12 dB

111

– -15 dB (default)

Register 8

– Right Mixer, Default 1111 1111

Bit Name

Bit

Description

MI2ROMU

7

1

–mute microphone in to right out mixer (default)

0

– not mute

MI2ROVOL

6:4

Microphone in to right out mixer volume control

000

– 6 dB

001

– 3 dB

010

– 0 dB

011

– -3 dB

100

– -6 dB

101

– -9 dB

110

– -12 dB

111

– -15 dB (default)

RI2ROMU

3

1

– mute right line in to right out mixer (default)

0

– not mute

RI2ROVOL

2:0

Right line in to rights out mixer volume control

000

– 6 dB

001

– 3 dB

010

– 0 dB

011

– -3 dB

100

– -6 dB

101

– -9 dB

110

– -12 dB

111

– -15 dB (default)

Register 9

– Mono Mixer, Default 1111 1111

Bit Name

Bit

Description

LI2MOMU

7

1

– mute left line in to mono out mixer (default)

0

– not mute

LI2MOVOL

6:4

Left line in to mono out mixer volume control

000

– 6 dB

001

– 3 dB

010

– 0 dB

011

– -3 dB

100

– -6 dB

101

– -9 dB

110

– -12 dB

111

– -15 dB (default)

RI2MOMU

3

1

– mute right line in to mono out mixer (default)

0

– not mute

RI2MOVOL

2:0

Right line in to mono out mixer volume control

000

– 6 dB

001

– 3 dB

010

– 0 dB

011

– -3 dB

100

– -6 dB

101

– -9 dB