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WM8961 датащи(PDF) 28 Page - Wolfson Microelectronics plc

номер детали WM8961
подробное описание детали  Ultra-Low Power Stereo CODEC with 1W Stereo Class D Speaker Drivers and Ground Referenced Headphone Drivers
PDF  116 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8961 датащи(HTML) 28 Page - Wolfson Microelectronics plc

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WM8961
Pre-Production
w
PP, August 2009, Rev 3.1
28
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R21 (15h)
Left ADC
Digital Volume
7:0
LADCVOL
[7:0]
1100_0000
( 0dB )
ADC Left Channel Digital Volume.
FFh -> Efh: +17.625dB
EEh: +17.25dB
…… in steps of -0.375dB to
C0h : 0dB
BFh : -0.375dB
BEh: -0.75dB
….. in steps of -0.375dB to
02h: -71.25dB
01h: -71.625dB
00h: Digital Mute
(refer to Table 12 )
8
ADCVU
0
ADC Volume Update
0 = Store LADCVOL in intermediate
latch (no gain change)
1 = Update left and right channel
gains (left = LADCVOL, right =
intermediate latch)
R22 (16h)
Right ADC
Digital Volume
7:0
RADCVOL
[7:0]
1100_0000
( 0dB )
ADC Right Channel Digital Volume.
FFh -> Efh: +17.625dB
EEh: +17.25dB
…… in steps of -0.375dB to
C0h : 0dB
BFh : -0.375dB
BEh: -0.75dB
….. in steps of -0.375dB to
02h: -71.25dB
01h: -71.625dB
00h: Digital Mute
(refer to Table 12 )
8
ADCVU
0
ADC Volume Update
0 = Store RADCVOL in intermediate
latch (no gain change)
1 = Update left and right channel
gains (left = intermediate latch, right
= RADCVOL)
Table 11 ADC Digital Volume Control
Table 12 shows all possible ADC digital volume values.



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