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STA381BW Datasheet(PDF) 51 Page - STMicroelectronics

Part # STA381BW
Description  Sound Terminal 2.1-channel high-efficiency digital audio system
PDF  174 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA381BW Datasheet(HTML) 51 Page - STMicroelectronics

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STA381BW
Register description: New Map
6.7
CH1VOL register (addr 0x06)
Table 21. Channel 1 volume register
6.8
CH2VOL register (addr 0x07)
D7
D6
D5
D4
D3
D2
D1
D0
CH1VOL[7:0]
10011111
Bit
R/W
RST
Name
Description
7
R/W
1
CH1VOL[7:0]
0x00: mute
others: volume = [(CH1VOL-159)/2] dB(1)
1. If the volume is below -60 dB, the level will be approximated to 1 dB step.
6
R/W
0
5
R/W
0
4
R/W
1
3
R/W
1
2
R/W
1
1
R/W
1
0
R/W
1
D7
D6
D5
D4
D3
D2
D1
D0
CH2VOL[7:0]
10011111
Table 22. Channel 2 volume register
Bit
R/W
RST
Name
Description
7
R/W
1
CH2VOL[7:0]
0x00: mute
others: volume = [(CH2VOL-159)/2] dB(1)
1. If the volume is below -60 dB, the level will be approximated to 1 dB step.
6
R/W
0
5
R/W
0
4
R/W
1
3
R/W
1
2
R/W
1
1
R/W
1
0
R/W
1



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