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WM8976 датащи(PDF) 97 Page - Wolfson Microelectronics plc

номер детали WM8976
подробное описание детали  Stereo CODEC With Speaker Driver
PDF  108 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8976 датащи(HTML) 97 Page - Wolfson Microelectronics plc

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Pre-Production
WM8976
w
PP Rev 3.0 April 2006
97
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
8
HPVU
N/A
LOUT1 and ROUT1 volumes do not update until a
1 is written to HPVU (in reg 52 or 53)
Analogue
Outputs
7
ROUT1ZC
0
Headphone volume zero cross enable:
1 = Change gain on zero cross only
0 = Change gain immediately
Analogue
Outputs
6
ROUT1
MUTE
0
Right headphone output mute:
0 = Normal operation
1 = Mute
Analogue
Outputs
53 (35h)
5:0
ROUT1VOL
111001
Right headphone output volume:
000000 = -57dB
...
111001 = 0dB
...
111111 = +6dB
Analogue
Outputs
8
SPKVU
N/A
LOUT2 and ROUT2 volumes do not update until a
1 is written to SPKVU (in reg 54 or 55)
Analogue
Outputs
7
LOUT2ZC
0
Speaker volume zero cross enable:
1 = Change gain on zero cross only
0 = Change gain immediately
Analogue
Outputs
6
LOUT2
MUTE
0
Left speaker output mute:
0 = Normal operation
1 = Mute
Analogue
Outputs
54 (36h)
5:0
LOUT2VOL
111001
Left speaker output volume:
000000 = -57dB
...
111001 = 0dB
...
111111 = +6dB
Analogue
Outputs
8
SPKVU
N/A
LOUT2 and ROUT2 volumes do not update until a
1 is written to SPKVU (in reg 54 or 55)
Analogue
Outputs
7
ROUT2ZC
0
Speaker volume zero cross enable:
1 = Change gain on zero cross only
0 = Change gain immediately
Analogue
Outputs
6
ROUT2
MUTE
0
Right speaker output mute:
0 = Normal operation
1 = Mute
Analogue
Outputs
55 (37h)
5:0
ROUT2VOL
111001
Right speaker output volume:
000000 = -57dB
...
111001 = 0dB
...
111111 = +6dB
Analogue
Outputs
8:7
00
Reserved
6
OUT3MUTE
0
0 = Output stage outputs OUT3 mixer
1 = Output stage muted – drives out VMID. Can
be used as VMID buffer in this mode.
Analogue
Outputs
5:4
00
Reserved
3
OUT4_2OUT3
0
OUT4 mixer output to OUT3
0 = disabled
1= enabled
Analogue
Outputs
56 (38h)
2
BYPL2OUT3
0
ADC input to OUT3
0 = disabled
1= enabled
Analogue
Outputs



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