MOSA

MS6821

4 Stereo inputs / 2W PA output integrated Audio DAC and Volume Control

REV 3

19/29

www.mosanalog.com

Output mode (SE/BTL), Mixer control and Audio format

MSB

LSB

Function

1

1

1

S/B

MixL

MixR

AF1

AF0

Output mode, mixer control and audio format

0

Output mode is BTL

1

Output mode is SE

0

L-ch of input selector is the only signal

1

Mix L-ch of input selector and L-ch of DAC

0

R-ch of input selector is the only signal

1

Mix R-ch of input selector and R-ch of DAC

0

0

Right justified format

1

0

Left justified format

0

1

1

1

Initial state: Output mode is BTL mode, unmixed mode and Right justified format

I

MSB

LSB

Function

Initial status

0

0

1

1

1

1

1

1

L-ch, Attenuation and Mute

Mute On

0

1

1

1

1

1

1

1

R-ch, Attenuation and Mute

Mute On

1

0

0

0

0

0

0

0

L-ch, Input Gain and line Selection

Line1, 0dB

1

0

1

0

0

0

0

0

R-ch, Input Gain and line Selection

Line1, 0dB

1

1

0

1

1

1

1

1

Power Down Mode

All devices

power down

1

1

1

0

0

0

0

0

Output mode (SE/BTL), Mixer control

and Audio format

BTL, Unmixed,

Right justified