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WM8945ECS/R датащи(PDF) 137 Page - Wolfson Microelectronics plc

номер детали WM8945ECS/R
подробное описание детали  Mono Low-Power CODEC with Video Buffer and Touch Panel Controller
PDF  169 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8945ECS/R датащи(HTML) 137 Page - Wolfson Microelectronics plc

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Production Data
WM8945
w
PD, May 2011, Rev 4.1
137
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R47 (2Fh)
Left SPK
volume ctrl
8
SPK_VU
0
Speaker PGA Volume Update
Writing a 1 to this bit will cause the Left and Right
Speaker PGA volumes to be updated simultaneously.
7
SPKL_ZC
0
Left Speaker PGA Zero Cross Detector
0 = Change gain immediately
1 = Change gain on zero cross only
6
SPKL_PGA_M
UTE
1
Left Speaker PGA Mute
0 = Disable Mute
1 = Enable Mute
5:0
SPKL_VOL
[5:0]
11_1001
Left Speaker PGA Volume
00_0000 = -57dB gain
00_0001 = -56dB
…
11_1001 = 0dB
...
11_1111 = +6dB
Register 2Fh
Left SPK volume ctrl
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R48 (30h)
Right SPK
volume ctrl
8
SPK_VU
0
Speaker PGA Volume Update
Writing a 1 to this bit will cause the Left and Right
Speaker PGA volumes to be updated simultaneously.
7
SPKR_ZC
0
Right Speaker PGA Zero Cross Detector
0 = Change gain immediately
1 = Change gain on zero cross only
6
SPKR_PGA_M
UTE
1
Right Speaker PGA Mute
0 = Disable Mute
1 = Enable Mute
5:0
SPKR_VOL
[5:0]
11_1001
Right Speaker PGA Volume
00_0000 = -57dB gain
00_0001 = -56dB
…
11_1001 = 0dB
...
11_1111 = +6dB
Register 30h
Right SPK volume ctrl



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