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WM8959 데이터시트(PDF) 46 Page - Wolfson Microelectronics plc

부품명 WM8959
상세설명  Mobile Multimedia DAC with Dual-Mode Class AB/D Speaker Driver
PDF  155 Pages
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제조업체  WOLFSON [Wolfson Microelectronics plc]
홈페이지  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8959 데이터시트(HTML) 46 Page - Wolfson Microelectronics plc

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WM8959
Pre-Production
w
PP, May 2008, Rev 3.1
46
In Rx Voice Mode (AINLMODE=01, AINRMODE=01), adjustable gain control is available for the
RXVOICE output by use of the LR4BVOL[2:0] and LL4BVOL[2:0] register fields on the left channel
and by RL4BVOL[2:0] and RR4BVOL[2:0] on the right channel. Both Volume fields for the desired
channel(s) must be set to the same value for true Differential input characteristics. This configuration
is illustrated in Figure 25. The applicable register settings are shown in Table 10.
CONFIGURATION
REGISTER SETTINGS
1. Select Rx Voice Mode
AINLMODE = 01
Left Channel Rx Voice
Mode
(RXVOICE to AINLMUX)
2. Enable Rx Voice input as required
Important: These two register fields
must be set to the same value. See
Table 12 for full definitions of these
fields.
LL4BVOL
LR4BVOL
1. Select Rx Voice Mode
AINRMODE = 01
Right Channel Rx Voice
Mode
(RXVOICE to AINRMUX)
2. Enable Rx Voice input as required
Important: These two register fields
must be set to the same value. See
Table 13 for full definitions of these
fields.
RL4BVOL
RR4BVOL
Table 10 RxVoice Mode Register Settings
Figure 25 RxVoice Mode Signal Paths



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