WM8959 Wolfson Microelectronics Ltd., WM8959 Datasheet - Page 45

• Manufacturer Part Number: WM8959
• Description: Mobile Multimedia DAC with Dual-mode Class AB/D Speaker Driver
• Manufacturer: Wolfson Microelectronics Ltd.

w
Pre-Production
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.
Table 9 Mixer Mode Register Settings
Figure 24 Mixer Mode Signal Paths
Left Channel Mixer Mode
(INMIXL to AINLMUX)
Right Channel Mixer
Mode
(INMIXR to AINRMUX)
CONFIGURATION
1. Select Mixer Mode
2. Enable input paths as required
(see Table 5 and Table 12 for full
definitions of the applicable settings
listed here)
1. Select Mixer Mode
2. Enable input paths as required
(see Table 5 and Table 13 for full
definitions of the applicable settings
listed here)
REGISTER SETTINGS
AINLMODE = 00
L12MNB, L12MNBST
LIN12VOL, LIN12MUTE
L34MNB, L34MNBST
LIN34VOL, LIN34MUTE
LI2BVOL
AINRMODE = 00
R12MNB, R12MNBST
RIN12VOL, RIN12MUTE
R34MNB, R34MNBST
RIN34VOL, RIN34MUTE
RI2BVOL
PP, May 2008, Rev 3.1
WM8959
45