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WM8959 Datasheet(PDF) 66 Page - Wolfson Microelectronics plc

Part # WM8959
Description  Mobile Multimedia DAC with Dual-Mode Class AB/D Speaker Driver
PDF  155 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8959 Datasheet(HTML) 66 Page - Wolfson Microelectronics plc

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WM8959
Pre-Production
w
PP, May 2008, Rev 3.1
66
The output mixers ROPMIX and RONMIX and their outputs ROP and RON are controlled as
described in Table 32. Care should be taken to avoid clipping when enabling more than one path to
ROP or RON. The ROATTN attenuation control can be used to prevent clipping when more than one
full scale signal is input to the ROP mixer.
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
2
RONMUTE
1b
RON Line Output Mute
0 = Un-mute
1 = Mute
1
ROPMUTE
1b
ROP Line Output Mute
0 = Un-mute
1 = Mute
R30 (1Eh)
0
ROATTN
0b
ROP Attenuation
0 = 0dB
1 = -6dB
6
RROPGARON
0b
ROPGA to RONMIX
0 = Mute
1 = Un-mute
5
RLOPGARON
0b
LOPGA to RONMIX
0 = Mute
1 = Un-mute
4
ROPRON
0b
Inverted ROP Output to RONMIX
0 = Mute
1 = Un-mute
2
RL12ROP
0b
LIN12 PGA Output to ROPMIX
0 = Mute
1 = Un-mute
1
RR12ROP
0b
RIN12 PGA Output to ROPMIX
0 = Mute
1 = Un-mute
R53 (35h)
0
RROPGAROP
0b
ROPGA to ROPMIX
0 = Mute
1 = Un-mute
Table 32 ROP and RON Volume Control



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