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STA380BW Datasheet(PDF) 47 Page - STMicroelectronics

Part # STA380BW
Description  Sound Terminal® 2.1-channel high-efficiency digital audio system
PDF  162 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA380BW Datasheet(HTML) 47 Page - STMicroelectronics

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STA380BW
Register description: New Map
6.5
MVOL register (addr 0x04)
6.6
FINEVOL register (addr 0x05)
D7
D6
D5
D4
D3
D2
D1
D0
MVOL[7:0]
00000000
Table 18. Master volume register
Bit
R/W
RST
Name
Description
7
R/W
0
MVOL[7:0]
0x00: Hard mute (immediate switchoff)
0x01: Mute
0x02: Mute (PWM on)
0x03: Mute (PWM on)
others: volume = [(MVOL-255)/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
0
3
R/W
0
2
R/W
0
1
R/W
0
0
R/W
0
D7
D6
D5
D4
D3
D2
D1
D0
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
FINE[1:0]
00000000
Table 19. Fine volume register
Bit
R/W
RST
Name
Description
1
R/W
FINE[1:0]
00 = 0 dB
01 = -0.125 dB
10 = -0.25 dB
11 = -0.375 dB
0
R/W
Obsolete
Product(s)
- Obsolete
Product(s)



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