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WM8746SEDS/R Datasheet(PDF) 24 Page - Wolfson Microelectronics plc

No. de pieza WM8746SEDS/R
Descripción Electrónicos  24-bit, 192kHz 6-Channel DAC with Volume Control
PDF  32 Pages
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Fabricante Electrónico  WOLFSON [Wolfson Microelectronics plc]
Página de inicio  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8746SEDS/R Datasheet(HTML) 24 Page - Wolfson Microelectronics plc

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WM8746
Production Data
w
March 2006, PD Rev 4.0
24
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
0
MUTE
0
Left and Right DACs soft mute control
0: No Mute
1: Mute
1
DEEMPH
0
De-emphasis Control
0: Normal Response (see Figure 14 - Figure 17)
1: De-emphasis Response (see Figure 18 - Figure 23)
2
PWDN
0
Left and Right DACs Power-down Control
0: All DACs running, output is active
1: All DACs in power saving mode, output muted
3
ATC
0
Attenuator Control
0: All DACs use attenuations as programmed.
1: Right chan. DACs use corresponding left DAC attenuations
4
IZD
0
Infinite zero detection circuit control and automute control
0: Infinite zero detect disabled
1: Infinite zero detect enabled
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
0000010
DAC Control
8:5
PL[3:0]
1001
0111
(L+R)/2
Left
1111
(L+R)/2
(L+R)/2
1:0
FMT[1:0]
00
Interface format select
00: right justified mode
01: left justified mode
10: I
2S mode
11: DSP Mode A or B
LRCIN Polarity or LRCIN Phase
2
LRP
0
Left Justified / Right Justified / I
2S
0: Standard LRCIN Polarity
1: Inverted LRCIN Polarity
DSP Mode
0: DSP Mode A
1: DSP Mode B
3
BCP
0
BCKIN Polarity
0: Normal (DIN[2:0] and LRCIN sampled on rising edge)
1: Inverted (DIN[2:0] and LRCIN sampled on falling edge)
5:4
WL[1:0]
10
Input Word Length
00: 16-bit Mode
01: 20-bit Mode
10: 24-bit Mode
11: 32-bit Mode (not supported in right justified mode)
0000011
Interface
Control
8:6
PHASE
000
Controls the output phase of the three stereo channels
Bit 6 reverses the phase of data output on OUT0L/R.
Bit 7 reverses the phase of data output on OUT1L/R.
Bit 8 reverses the phase of data output on OUT2L/R.



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