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WM8945ECS/R датащи(PDF) 127 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) 127 Page - Wolfson Microelectronics plc

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Production Data
WM8945
w
PD, May 2011, Rev 4.1
127
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R23 (17h)
Left DAC
digital Vol
12
DAC_VU
0
DAC Volume Update
Writing a 1 to this bit enables the Left DAC volume to
be updated
8
DACL_MUTE
0
Left DAC Digital Mute
0 = Disable Mute
1 = Enable Mute
7:0
DACL_VOL
[7:0]
1100_0000 Left DAC Digital Volume
0000_0000 = mute
0000_0001 = -71.625dB
0000_0010 = -71.250dB
…
1100_0000 = 0dB
...
1111_1111 = +23.625dB
Register 17h
Left DAC digital Vol
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R25 (19h)
ADC Control
1
8
ADC_MUTEAL
L
1
ADC Digital Mute for All Channels
0 = Disable Mute
1 = Enable Mute on all channels
0
ADCL_DATINV
0
Left ADC Invert
0 = Left ADC output not inverted
1 = Left ADC output inverted
Register 19h
ADC Control 1
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R26 (1Ah)
ADC Control
2
2:1
ADC_HPF_CU
T[1:0]
00
High pass filter configuration.
00 = 1
st order HPF
(fc=4Hz at fs=48kHz)
01 = 2
nd order HPF
(fc=122Hz at fs=48kHz)
10 = 2
nd order HPF
(fc=153Hz at fs=48kHz)
11 = 2
nd order HPF
(fc=196Hz at fs=48kHz)
Table 11
0
ADC_HPF
0
ADC Digital High Pass Filter Enable
0 = Disabled
1 = Enabled
Register 1Ah
ADC Control 2



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