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WM8960 データシート(PDF) 36 Page - Wolfson Microelectronics plc

部品番号 WM8960
部品情報  Stereo CODEC with 1W Stereo Class D Speaker Drivers and Headphone Drivers for Portable Audio Applications
PDF  92 Pages
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メーカー  WOLFSON [Wolfson Microelectronics plc]
ホームページ  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8960 データシート(HTML) 36 Page - Wolfson Microelectronics plc

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WM8960
Production Data
w
PD, August 2013, Rev 4.2
36
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R34 (22h)
Left Output
Mixer Control
8
LD2LO
0
Left DAC to Left Output Mixer
0 = Disable (Mute)
1 = Enable Path
7
LI2LO
0
LINPUT3 to Left Output Mixer
0 = Disable (Mute)
1 = Enable Path
6:4
LI2LOVOL
[2:0]
101
(-15dB)
LINPUT3 to Left Output Mixer Volume
000 = 0dB
...(3dB steps)
111 = -21dB
R45 (2Dh)
Bypass (1)
7
LB2LO
0
Left Input Boost Mixer to Left Output
Mixer
0 = Disable (Mute)
1 = Enable Path
6:4
LB2LOVOL
[2:0]
101
(-15dB)
Left Input Boost Mixer to Left Output
Mixer Volume
000 = 0dB
...(3dB steps)
111 = -21dB
R37 (25h)
Right Output
Mixer Control
8
RD2RO
0
Right DAC to Right Output Mixer
0 = Disable (Mute)
1 = Enable Path
7
RI2RO
0
RINPUT3 to Right Output Mixer
0 = Disable (Mute)
1 = Enable Path
6:4
RI2ROVOL
[2:0]
101
(-15dB)
RINPUT3 to Right Output Mixer Volume
000 = 0dB
...(3dB steps)
111 = -21dB
R46 (2Eh)
Bypass (2)
7
RB2RO
0
Right Input Boost Mixer to Right Output
Mixer
0 = Disable (Mute)
1 = Enable Path
6:4
RB2ROVOL
[2:0]
101
(-15dB)
Right Input Boost Mixer to Right Output
Mixer Volume
000 = 0dB
...(3dB steps)
111 = -21dB
Table 22 Left and Right Output Mixer Mute and Volume Control
The mono output mixer can output, left, right, left+right or a buffered VMID. 0dB or 6dB attenuation is
selectable using MOUTVOL register bit. It is recommended to attenuate a mono mix of left and right
channels by 6dB in order to prevent clipping. This attenuation control (MOUTVOL) should not be
modified while OUT3 is enabled as this may cause an audible click noise.



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