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WM8985GEFL/R датащи(PDF) 110 Page - Wolfson Microelectronics plc

номер детали WM8985GEFL/R
подробное описание детали  Multimedia CODEC with Class D Headphone and Line Out
PDF  121 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8985GEFL/R датащи(HTML) 110 Page - Wolfson Microelectronics plc

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WM8985
Production Data
w
PD, Rev 4.6, July 2009
110
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
54 (36h)
8
OUT2VU
N/A
LOUT2 and ROUT2 volumes do not update until
a 1 is written to OUT2VU (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
LOUT2MUTE
0
Left speaker output mute:
0 = Normal operation
1 = Mute
Analogue
Outputs
5:0
LOUT2VOL
111001
Left speaker output volume:
000000 = -57dB
...
111001 = 0dB
...
111111 = +6dB
Analogue
Outputs
55 (37h)
8
OUT2VU
N/A
LOUT2 and ROUT2 volumes do not update until
a 1 is written to OUT2VU (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
ROUT2MUTE
0
Right speaker output mute:
0 = Normal operation
1 = Mute
Analogue
Outputs
5:0
ROUT2VOL
111001
Right speaker output volume:
000000 = -57dB
...
111001 = 0dB
...
111111 = +6dB
Analogue
Outputs
56 (38h)
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. (Not to be
used for Capless HP pseudo GND)
Analogue
Outputs
5:4
00
Reserved. Initialise to 0
3
OUT4_2OUT3
0
OUT4 mixer output to OUT3
0 = disabled
1= enabled
Analogue
Outputs
2
BYPL2OUT3
0
Left ADC input to OUT3
0 = disabled
1= enabled
Analogue
Outputs
1
LMIX2OUT3
0
Left DAC mixer to OUT3
0 = disabled
1= enabled
Analogue
Outputs
0
LDAC2OUT3
1
Left DAC output to OUT3
0 = disabled
1= enabled
Analogue
Outputs
57 (39h)
8
0
Reserved. Initialise to 0
7
OUT3_2OUT4
0
OUT3 mixer output to OUT4
0 = disabled
1 = enabled
Analogue
Outputs
6
OUT4MUTE
0
0 = Output stage outputs OUT4 mixer
1 = Output stage muted – drives out VMID. Can
be used as VMID buffer in this mode. (Not to be
used for Capless HP pseudo GND)
Analogue
Outputs



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