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WM8722 Datasheet(PDF) 14 Page - Wolfson Microelectronics plc

No. de pieza WM8722
Descripción Electrónicos  Stereo DAC with Integrated Tone Generator and Line/Variable Level Outputs
PDF  23 Pages
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Fabricante Electrónico  WOLFSON [Wolfson Microelectronics plc]
Página de inicio  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8722 Datasheet(HTML) 14 Page - Wolfson Microelectronics plc

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WM8722
Advanced Information
WOLFSON MICROELECTRONICS LTD
AI Rev 1.5 May 2000
14
FUNCTION
OPTIONS
SOFTWARE CONTROL
DEFAULT VALUE
DAC digital volume
Lch, Rch individually
Lch, Rch common
0dB (111111)
Lch, Rch individually (0)
Mixer Volume Control
Lch, Rch individually
Lch, Rch both
0dB (10111)
Lch, Rch individually (0)
Mixer Output Selection
5 switches for each of left and
right, mix and volume paths,
individually controlled, or both
together, and with –6dB gain
option for mono modes
Normal stereo
(11100) MLMX left mux
(11100) MLVMX left mux
(11100) MRMX right mux
(11100) MRVMX right mux
M6DB bits all 0 (gain 0dB)
Tone amplitude
0 to –46.5dB in 1.5dB steps
plus mute
0dB (11111)
Tone frequency
1 to 32767Hz in 1Hz steps
(based on 27MHz TCLK)
0 = disabled
Tone duration
0.1 to 25.5secs in 0.1sec
steps
0 = disabled
Tone
Finish
Behaviour
(TFIN)
1 = Full cycle sine wave
0 = next zero cross
Tone Waveform
Sine or square wave
0 = sine
1 = square wave
Tone Burst
f or 2f
0 = f
1 = 2f
Table 4. Control Functions



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