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WM8976 датащи(PDF) 49 Page - Wolfson Microelectronics plc

номер детали WM8976
подробное описание детали  Low Power CODEC With Speaker Driver
PDF  83 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8976 датащи(HTML) 49 Page - Wolfson Microelectronics plc

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Preliminary Technical Data
WM8976
w
PTD Rev 2.0 February 2005
49
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
7
LOUT2ZC
0
Speaker volume zero cross enable:
1 = Change gain on zero cross only
0 = Change gain immediately
6
LOUT2MUTE
0
Left speaker output mute:
0 = Normal operation
1 = Mute
5:0
LOUT2VOL
111001
Left speaker output volume:
000000 = -57dB
...
111001 = 0dB
...
111111 = +6dB
R54
LOUT2 (SPK)
Volume
control
8
SPKVU
Not latched
LOUT2 and ROUT2 volumes do not
update until a 1 is written to SPKVU
(in reg 54 or 55)
7
ROUT2ZC
0
Speaker volume zero cross enable:
1 = Change gain on zero cross only
0 = Change gain immediately
6
ROUT2MUTE
0
Right speaker output mute:
0 = Normal operation
1 = Mute
5:0
ROUT2VOL
111001
Right speaker output volume:
000000 = -57dB
...
111001 = 0dB
...
111111 = +6dB
R55
ROUT2 (SPK)
Volume
control
8
SPKVU
Not latched
LOUT2 and ROUT2 volumes do not
update until a 1 is written to SPKVU
(in reg 54 or 55)
Table 37 Speaker Volume Control



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