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WM8959 Datasheet(PDF) 45 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) 45 Page - Wolfson Microelectronics plc

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Pre-Production
WM8959
w
PP, May 2008, Rev 3.1
45
The Input Mixer configuration is described for each of the three modes in the following sections. Note
that the Left and Right multiplexer (mode) settings can be set independently.
In Mixer Mode (AINLMODE=00, AINRMODE=00), adjustable gain control is available on the input
mixers INMIXL and INMIXR for all available input signals (PGA outputs, line inputs and record paths).
This configuration is illustrated in Figure 24. The applicable register settings are shown in Table 9.
CONFIGURATION
REGISTER SETTINGS
1. Select Mixer Mode
AINLMODE = 00
Left Channel Mixer Mode
(INMIXL to AINLMUX)
2. Enable input paths as required
(see Table 5 and Table 12 for full
definitions of the applicable settings
listed here)
L12MNB, L12MNBST
LIN12VOL, LIN12MUTE
L34MNB, L34MNBST
LIN34VOL, LIN34MUTE
LI2BVOL
1. Select Mixer Mode
AINRMODE = 00
Right Channel Mixer
Mode
(INMIXR to AINRMUX)
2. Enable input paths as required
(see Table 5 and Table 13 for full
definitions of the applicable settings
listed here)
R12MNB, R12MNBST
RIN12VOL, RIN12MUTE
R34MNB, R34MNBST
RIN34VOL, RIN34MUTE
RI2BVOL
Table 9 Mixer Mode Register Settings
Figure 24 Mixer Mode Signal Paths



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