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STA382BWSTR 数据表(PDF) 124 Page - STMicroelectronics

部件名 STA382BWSTR
功能描述  Sound Terminal 2.1-channel high-efficiency digital audio system
PDF  172 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STA382BWSTR 数据表(HTML) 124 Page - STMicroelectronics

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Register description: Sound Terminal compatibility
STA382BWS
124/172
Doc ID 022784 Rev 1
Table 134.
Mute configuration
7.7.2
Master volume register
7.7.3
Channel 1 volume
7.7.4
Channel 2 volume
7.7.5
Channel 3 / line output volume
The volume structure of the STA382BWS consists of individual volume registers for each
channel and a master volume register that provides an offset to each channel’s volume
setting. The individual channel volumes are adjustable in 0.5 dB steps from +48 dB to
-80 dB.
Bit
R/W
RST
Name
Description
3R/W
0
C3M
Channel 3 mute
0 - No mute condition. It is possible to set the channel
volume
1 - Channel 3 in hardware mute
2R/W
0
C2M
Channel 2 mute
0 - No mute condition. It is possible to set the channel
volume
1 - Channel 2 in hardware mute
1R/W
0
C1M
Channel 1 mute
0 - No mute condition. It is possible to set the channel
volume
1 - Channel 1 in hardware mute
0
R/W
0
MMUTE
Master mute
0 - Normal operation
1 - All channels are in mute condition
D7
D6
D5
D4
D3
D2
D1
D0
MVOL[7:0]
11
11
11
1
1
D7
D6
D5
D4
D3
D2
D1
D0
CH1VOL[7:0]
01
10
00
0
0
D7
D6
D5
D4
D3
D2
D1
D0
CH2VOL[7:0]
01
10
00
0
0
D7
D6
D5
D4
D3
D2
D1
D0
CH3VOL[7:0]
01
10
00
0
0
Obsolete
Product(s)
- Obsolete
Product(s)



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