MOSA

MS6720L

Low Cost 3 Stereo Inputs / 4-Channel Outputs Audio Processor

REV 2

9/12

www.mosanalog.com

Speaker Attenuator

MSB

LSB

Function（dB）

1

0

0

B1

B0

A2

A1

A0

Speaker LF

1

0

1

B1

B0

A2

A1

A0

Speaker RF

1

1

0

B1

B0

A2

A1

A0

Speaker LR

1

1

1

B1

B0

A2

A1

A0

Speaker RR

0

0

0

0

0

0

1

-1.25

0

1

0

-2.5

0

1

1

-3.75

1

0

0

-5

1

0

1

-6.25

1

1

0

-7.5

1

1

1

-8.75

0

0

0

0

1

-10

1

0

-20

1

1

-30

1

1

1

1

1

Mute

LF: Left Front, RF: Right Front, LR: Left Rear, RR: Right Rear

The default state is mute.

Audio Switch

MSB

LSB

Function

0

1

0

G1

G0

1

S1

S0

Audio Switch

0

0

Stereo 1

0

1

Stereo 2

1

0

Stereo 3

1

1

*Stereo 4

0

0

+11.25dB

0

1

+7.5dB

1

0

+3.75dB

1

1

0dB

* The stereo 4 is connected internally, but not available on pins.

The default state is stereo 4 and gain 0dB.