sta381bws STMicroelectronics, sta381bws Datasheet - Page 48
sta381bws
Manufacturer Part Number
sta381bws
Description
Sound Terminal 2.1-channel High-efficiency Digital Audio System Sound Terminal 2.1-channel High-efficiency Digital Audio System
Manufacturer
STMicroelectronics
Datasheet
1.STA381BWS.pdf
(168 pages)
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Register description: New Map
6.7
6.8
48/168
CH1VOL register (addr 0x06)
Table 21.
1. If the volume is below -60 dB, the level will be approximated to 1dB step.
CH2VOL register (addr 0x07)
Table 22.
1. If the volume is below -60 dB, the level will be approximated to 1dB step.
Bit
Bit
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
D7
D7
1
1
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Channel 1 volume register
Channel 2 volume register
D6
D6
0
0
RST
RST
1
0
0
1
1
1
1
1
1
0
0
1
1
1
1
1
D5
D5
0
0
Doc ID 018937 Rev 2
CH1VOL[7:0]
CH2VOL[7:0]
Name
Name
D4
D4
1
1
CH1VOL[7:0]
CH2VOL[7:0]
Description
0x00: mute
others: volume = [(CH1VOL-159)/2] dB
Description
0x00: mute
others: volume = [(CH2VOL-159)/2] dB
D3
D3
1
1
D2
D2
1
1
D1
D1
1
1
STA381BWS
(1)
(1)
D0
D0
1
1
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