wm8400 Wolfson Microelectronics plc, wm8400 Datasheet - Page 55
wm8400
Manufacturer Part Number
wm8400
Description
Wolfson Audioplustm Hi-fi Audio Codec And Power Management Unit For Mobile Multimedia
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8400.pdf
(208 pages)
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WM8400
Pre-Production
INPUT SIGNAL PATH
The WM8400 has eight highly flexible analogue input channels, configurable in many combinations
of the following:
1. Up to four pseudo-differential or single-ended microphone inputs
2. Up to eight mono line inputs or 4 stereo line inputs
3. Mono input from external voice CODEC
4. Two fully balanced differential inputs
These inputs may be mixed together or independently routed to different combinations of output
drivers. An internal record path is provided at the input mixers to allow DAC output to be mixed with
the input signal path (e.g. for karaoke or voice call recording).
The WM8400 input signal paths and control registers are illustrated in Figure 19.
Figure 19 Control Registers for Input Signal Path
PP, April 2009, Rev 3.0
w
55
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