MS6865
MOSA
3 Stereo inputs / 2W PA output with Volume Control
I2C CODE EXAMPLE
Input gain
Set the left channel gain to be 3dB and the right channel gain to be 3dB
Gain
Gain
0
ACK
Start
MS6865 Address
ACK
1
0
0
0
0
1
0
0
ACK
1
0
1
0
1
0
0
Stop
Lꢀch1, G = 3dB
Rꢀch1, G = 3dB
The left and right input channels are independent.
Input Attenuation
Set the left channel to be ꢀ15dB and the right channel to be ꢀ30dB
ꢀ10dB
ꢀ5dB
ꢀ30dB
0dB
0
ACK
Start
MS6865 Address
ACK
0
0
0
0
1
1
0
0
ACK
0
1
0
1
1
0
0
Stop
Lꢀch, Att = ꢀ15dB
Rꢀch, Att = ꢀ30dB
Power down mode
Set the Lꢀch PA output to be active mode.
Lꢀch
1
Start
MS6865 Address
ACK
1
1
0
1
1
0
1
ACK Stop
Left PA is active mode
Output mode
Set the output mode to be BTL mode
Output mode
ACK
Start
MS6865 Address
1
1
1
0
0
0
0
0
ACK Stop
BTL mode
Input Selector
Set the left input channel to be LIN3 and the right input channel to be RIN1
Lꢀch
0
CH
Rꢀch
CH
ACK
Start
MS6865 Address
ACK
1
0
0
0
1
1
0
ACK
1
0
1
0
0
1
0
0
Stop
Lꢀch3, G = 3dB
Rꢀch1, G = 3dB
REV 2
13/22
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