wm8350 Wolfson Microelectronics plc, wm8350 Datasheet - Page 75

• Manufacturer Part Number: wm8350
• Description: Wolfson Audioplus? Stereo Codec With Power Management
• Manufacturer: Wolfson Microelectronics plc

Production Data
13.7 DIGITAL TO ANALOGUE CONVERTER (DAC)
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The WM8350 contains a high-performance stereo DAC to convert digital audio signals to the
analogue domain. Audio data is passed to the WM8350 via the audio interface, and passes through
a variety of digital filtering stages before reaching the DAC. These include:
The audio DAC supports all commonly used audio sampling rates between 8kHz and 48kHz.
Figure 41 DAC Overview
R11 (0Bh)
Power Mgmt
R50 (32h)
DAC Digital
Volume Left
R11 (0Bh)
Power Mgmt
R51 (33h)
DAC Digital
Volume Right
Note: These bits can be accessed through R11 or through R50/R51. Reading from or writing to
either register location has the same effect.
Table 31 DAC Enable
ADDRESS


Digital volume control
Digital filtering, interpolation and sigma-delta modulation functions needed for the DAC
BIT
15
15
4
5
DACL_EN
A
DACR_EN
A
LABEL
DEFAULT
0
0
Left DAC enable
0 = disabled
1 = enabled
Right DAC enable
0 = disabled
1 = enabled
DESCRIPTION
PD, June 2009, Rev 4.1
WM8350
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