Datasheet

STA309A Registers
Doc ID 13855 Rev 4 37/67
the volume setting, the master volume setting will not affect that channel. Each channel also
contains a channel mute. If CnM = 1 a soft mute is performed on that channel.
Table 49. MV bits
MV[7:0] Volume offset from channel value
0x00 0 dB
0x01 -0.5 dB
0x02 -1 dB
……
0x4C -38 dB
……
0xFE -127 dB
0xFF Hardware channel mute
Table 50. CnV bits
CnV[7:0] Volume
0x00 +48 dB
0x01 +47.5 dB
0x02 +47 dB
……
0x5F +0.5 dB
0x60 0 dB
0x61 -0.5 dB
……
0xFE -79.5 dB
0xFF Hardware channel mute
Table 51. CnVT bits
CnVT[4:0] Volume
0x00 to 0x06 +10 dB
0x07 +9 dB
……
0x0F +1 dB
0x10 0 dB
0x11 -1 dB
……
0x19 -9 dB
0x1A to 0x1F -10 dB