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WM8731 датащи(PDF) 47 Page - Wolfson Microelectronics plc

номер детали WM8731
подробное описание детали  Portable Internet Audion CODEC with Headphone Driver and Programmable Sample Rates
PDF  56 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8731 датащи(HTML) 47 Page - Wolfson Microelectronics plc

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WM8731
Advanced Information
WOLFSON MICROELECTRONICS LTD
AI Rev 2.0 February 2001
47
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
6:0
RHPVOL
[6:0]
1111001
( 0dB )
Right Channel Headphone Output
Volume Control
1111111 = +6dB
. . 1dB steps down to
0110000 = -73dB
0000000 to 0101111 = MUTE
7
RZCEN
0
Right Channel Zero Cross detect
Enable
1 = Enable
0 = Disable
0000011
Right
Headphone Out
8
RLHPBOTH
0
Right to Left Channel Headphone
Volume, Mute and Zero Cross Data
Load Control
1 = Enable Simultaneous Load of
RHPVOL[6:0] and RZCEN to
LHPVOL[6:0] and LZCEN
0 = Disable Simultaneous Load
0
MICBOOST
0
Microphone Input Level Boost
1 = Enable Boost
0 = Disable Boost
1
MUTEMIC
1
Line Input Mute to ADC
1 = Enable Mute
0 = Disable Mute
2
INSEL
0
Microphone/Line Input Select to ADC
1 = Microphone Input Select to ADC
0 = Line Input Select to ADC
3
BYPASS
1
Bypass Switch
1 = Enable Bypass
0 = Disable Bypass
4
DACSEL
0
DAC Select
1 =Select DAC
0 = Don’t select DAC
5
SIDETONE
0
Side Tone Switch
1 = Enable Side Tone
0 = Disable Side Tone
0000100
Analogue Audio
Path Control
7:6
SIDEATT[1:0]
00
Side Tone Attenuation
11 = -15dB
10 = -12dB
01 = -9dB
00 = -6dB
0
ADCHPD
0
ADC High Pass Filter Enable
1 = Enable High Pass Filter
0 = Disable High Pass Filter
2:1
DEEMP[1:0]
00
De-emphasis Control
11 = 48kHz
10 = 44.1kHz
01 = 32kHz
00 = Disable
0000101
Digital Audio
Path Control
3
DACMU
1
DAC Soft Mute Control
1 = Enable soft mute
0 = Disable soft mute



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