WM8731L WOLFSON [Wolfson Microelectronics plc], WM8731L Datasheet - Page 50

• Manufacturer Part Number: WM8731L
• Description: Portable Internet Audio CODEC with Headphone Driver and Programmable Sample Rates
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

WM8731 / WM8731L
w
0000011
Right
Headphone Out
0000100
Analogue Audio
Path Control
REGISTER
ADDRESS
6:0
7
8
0
1
2
3
4
5
7:6
BIT
RHPVOL
[6:0]
RZCEN
RLHPBOTH
MICBOOST
MUTEMIC
INSEL
BYPASS
DACSEL
SIDETONE
SIDEATT[1:0]
LABEL
1111001
( 0dB )
0
0
0
1
0
1
0
0
00
DEFAULT
Right Channel Headphone Output
Volume Control
1111111 = +6dB
. . 1dB steps down to
0110000 = -73dB
0000000 to 0101111 = MUTE
Right Channel Zero Cross detect
Enable
1 = Enable
0 = Disable
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
Microphone Input Level Boost
1 = Enable Boost
0 = Disable Boost
Mic Input Mute to ADC
1 = Enable Mute
0 = Disable Mute
Microphone/Line Input Select to ADC
1 = Microphone Input Select to ADC
0 = Line Input Select to ADC
Bypass Switch
1 = Enable Bypass
0 = Disable Bypass
DAC Select
1 =Select DAC
0 = Don’t select DAC
Side Tone Switch
1 = Enable Side Tone
0 = Disable Side Tone
Side Tone Attenuation
11 = -15dB
10 = -12dB
01 = -9dB
00 = -6dB
DESCRIPTION
PD Rev 4.3 August 2006
Production Data
50