MOSA
Examples
MSB
Start
80H, 84H, 88H, 8CH
MS6266 Address
LSB
ACK
1
1
1
Data byte
1
1
0
0
0
ACK
MS6266
6-Channel Electronic Volume Controller
Mute off
The initial condition is –79dB and mute on when power on. The first command must disable the mute function.
Stop
6 channels, Mute off
Set gain of 1
st
channel at 0dB
Start
MS6266 Address
ACK
1
0
0
0
0
0
0
0
ACK
1
0
0
1
0
0
0
0
ACK
Stop
Ch 1, -10dB/step, 0dB
Ch 1, -1dB/step, 0dB
Set attenuation of 5
th
channel at -6dB
Start
MS6266 Address
ACK
0
1
1
0
0
0
0
0
ACK
0
1
1
1
0
1
1
0
ACK
Stop
Ch 5, -10dB/step, 0dB
Ch 5, -1dB/step, -6dB
Set attenuation of 3
rd
channel at –33dB
Start
MS6266 Address
ACK
0
0
0
0
0
0
1
1
ACK
0
0
0
1
0
0
1
1
ACK
Stop
Ch 3, -10dB/step, -30dB
Ch 3, -1dB/step, -3dB
Set gain of 3
rd
channel at 3dB
Start
MS6266 Address
ACK
0
0
0
0
1
0
0
1
ACK
0
0
0
1
0
0
0
1
ACK
Stop
Ch 3, +2dB/step, 4dB
Ch 3, -1dB/step, -1dB
Odd gain 3dB = 2*2-1 = 2*(+2dB)+(-1dB)
Set power off preparation command to prevent pop noise before power is off.
Start
MS6266 Address
ACK
1
1
1
1
0
0
0
1
ACK
Stop
Power off preparation
REV1
9
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MOSA [ MOSA ELECTRONICS ]
