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WM8731 датащи(PDF) 45 Page - Wolfson Microelectronics plc

номер детали WM8731
подробное описание детали  Portable Internet Audion CODEC with Headphone Driver and Programmable Sample Rates
PDF  56 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8731 датащи(HTML) 45 Page - Wolfson Microelectronics plc

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WM8731
Advanced Information
WOLFSON MICROELECTRONICS LTD
AI Rev 2.0 February 2001
45
analogue VMID reference is disabled. As in STANDBY mode the crystal oscillator and/or CLKOUT
pin can be independently controlled. Refer to Table 27.
DESCRIPTION
100
X
1
1
X
X
POWEROFF, but with Crystal
Oscillator OS and CLKOUT
available
110
X
1
1
X
X
POWEROFF, but with Crystal
Oscillator OS available, CLKOUT
not-available
111
X
1
1
X
X
POWEROFF, Crystal oscillator
and CLKOUT not-available.
Table 27 Poweroff Mode
REGISTER MAP
The complete register map is shown in Table 28. The detailed description can be found in Table 29
and in the relevant text of the device description. There are 11 registers with 16 bits per register (7 bit
address + 9 bits of data). These can be controlled using either the 2 wire or 3 wire MPU interface.
REGISTER
B
15
B
14
B
13
B
12
B
11
B
10
B
9
B8
B7
B6
B5
B4
B3
B2
B1
B0
R0 (00h)
0
0
0
0
0
0
0
LRIN
BOTH
LIN
MUTE
00
LINVOL
R1 (02h)
0
0
0
0
0
0
1
RLIN
BOTH
RIN
MUTE
00
RINVOL
R2 (04h)
0
0
0
0
0
1
0
LRHP
BOTH
LZCEN
LHPVOL
R3 (06h)
0
0
0
0
0
1
1
RLHP
BOTH
RZCEN
RHPVOL
R4 (08h)
0
0
0
0
1
0
0
0
SIDEATT
IDETONE DAC SEL BY PASS
INSEL
UTE MIC IC BOOST
R5 (0Ah)
0
0
0
0
1
0
1
0
0000
DAC MU
DEEMPH
ADC HPD
R6 (0Ch)
0
0
0
0
1
1
0
0
PWR
OFF
CLK
OUTPD
OSCPD
OUTPD
DACPD
ADCPD
MICPD
LINEINPD
R7 (0Eh)
0
0
0
0
1
1
1
0
BCLK
INV
MS
LR SWAP
LRP
IWL
FORMAT
R8 (10h)
0
0
0
1
0
0
0
0
CLKO
DIV2
CLKI
DIV2
SR
BOSR
SB/ NORM
R9 (12h)
0
0
0
1
0
0
1
00000000
ACTIVE
R15(1Eh)
0
0
0
1
1
1
1
RESET
ADDRESS
DATA
Table 28 Mapping of Program Registers



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