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WM8774IFT 数据表(PDF) 31 Page - Wolfson Microelectronics plc

部件名 WM8774IFT
功能描述  24 - bit, 192kHz 8 - Channel Input Stereo Codec
PDF  42 Pages
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制造商  WOLFSON [Wolfson Microelectronics plc]
网页  http://www.wolfsonmicro.com
标志 WOLFSON - Wolfson Microelectronics plc

WM8774IFT 数据表(HTML) 31 Page - Wolfson Microelectronics plc

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Product Preview
WM8774
PP Rev 1.0 June 2002
31
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
0
DZCEN
0
DAC Digital Volume Zero Cross Enable:
0: Zero Cross detect disabled
1: Zero Cross detect enabled
1
ATC
0
Attenuator Control
0: All DACs use attenuations as programmed.
1: Right channel DACs use corresponding left DAC
attenuations
2
IZD
0
Infinite zero detection circuit control and automute control
0: Infinite zero detect automute disabled
1: Infinite zero detect automute enabled
3
TOD
0
DAC Analogue Zero cross detect timeout disable
0 : Timeout enabled
1: Timeout disabled
DAC Output Control
PL[3:0]
Left
Output
Right
Output
PL[3:0]
Left
Output
Right
Output
0000
Mute
Mute
1000
Mute
Right
0001
Left
Mute
1001
Left
Right
0010
Right
Mute
1010
Right
Right
0011
(L+R)/2
Mute
1011
(L+R)/2
Right
0100
Mute
Left
1100
Mute
(L+R)/2
0101
Left
Left
1101
Left
(L+R)/2
0110
Right
Left
1110
Right
(L+R)/2
10011
DAC Control
7:4
PL[3:0]
1001
0111
(L+R)/2
Left
1111
(L+R)/2
(L+R)/2
0
DMUTE
0
DAC channel soft mute enables:
0: mute disabled
1: mute enabled
10100
DAC Mute
5
RECEN
0
REC Output Enable
0 : REC output muted
1: REC output enabled
10101
DAC Control
3:0
DEEMP
0
De-emphasis mode select:
0 : Normal Mode
1: De-emphasis Mode
1:0
FMT[1:0]
10
Interface format select
00: right justified mode
01: left justified mode
10: I
2S mode
11: DSP mode
ADCLRC/DACLRC Polarity or DSP Early/Late mode select
10110
Interface
Control
2
LRP
0
Left Justified / Right Justified /
I
2S
0: Standard DACLRC Polarity
1: Inverted DACLRC Polarity
DSP Mode
0: Early DSP mode
1: Late DSP mode



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