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WM8946ECS/R Datasheet(PDF) 60 Page - Wolfson Microelectronics plc

Part # WM8946ECS/R
Description  Stereo Low-Power CODEC with Video Buffer
PDF  175 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8946ECS/R Datasheet(HTML) 60 Page - Wolfson Microelectronics plc

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WM8946
Production Data
w
PD, July 2012, Rev 4.3
60
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
5:0
SPKR_VOL
11_1001
(0dB)
Right Speaker PGA Volume
00_0000 = -57dB gain
00_0001 = -56dB
…
11_1001 = 0dB
...
11_1111 = +6dB
(See Table 36 for volume range)
Table 35 Speaker PGA Volume Control
PGA GAIN SETTING
VOLUME (dB)
PGA GAIN SETTING
VOLUME (dB)
00h
-57
20h
-25
01h
-56
21h
-24
02h
-55
22h
-23
03h
-54
23h
-22
04h
-53
24h
-21
05h
-52
25h
-20
06h
-51
26h
-19
07h
-50
27h
-18
08h
-49
28h
-17
09h
-48
29h
-16
0Ah
-47
2Ah
-15
0Bh
-46
2Bh
-14
0Ch
-45
2Ch
-13
0Dh
-44
2Dh
-12
0Eh
-43
2Eh
-11
0Fh
-42
2Fh
-10
10h
-41
30h
-9
11h
-40
31h
-8
12h
-39
32h
-7
13h
-38
33h
-6
14h
-37
34h
-5
15h
-36
35h
-4
16h
-35
36h
-3
17h
-34
37h
-2
18h
-33
38h
-1
19h
-32
39h
0
1Ah
-31
3Ah
+1
1Bh
-30
3Bh
+2
1Ch
-29
3Ch
+3
1Dh
-28
3Dh
+4
1Eh
-27
3Eh
+5
1Fh
-26
3Fh
+6
Table 36 Speaker PGA Volume Range



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