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WM8912 датащи(PDF) 114 Page - Cirrus Logic

номер детали WM8912
подробное описание детали  Ultra Low Power DAC with Headphone Driver
PDF  129 Pages
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производитель  CIRRUS [Cirrus Logic]
домашняя страница  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8912 датащи(HTML) 114 Page - Cirrus Logic

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WM8912
Production Data
w
PD, Rev 4.1, February 2013
114
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R104 (68h)
Class W 0
0
CP_DYN_PWR
0
Enable dynamic charge pump power control
0 = Charge pump controlled by volume register settings
(Class G)
1 = Charge pump controlled by real-time audio level
(Class W)
Class W is recommended for lowest power
consumption.
Register 68h Class W 0
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R108 (6Ch)
Write
Sequencer 0
8
WSEQ_ENA
0
Write Sequencer Enable.
0 = Disabled
1 = Enabled
4:0
WSEQ_WRITE
_INDEX [4:0]
0_0000
Sequence Write Index. This is the memory location to
which any updates to R109 and R110 will be copied.
0 to 31 = RAM addresses
Register 6Ch Write Sequencer 0
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R109 (6Dh)
Write
Sequencer 1
14:12
WSEQ_DATA_
WIDTH [2:0]
000
Width of the data block written in this sequence step.
000 = 1 bit
001 = 2 bits
010 = 3 bits
011 = 4 bits
100 = 5 bits
101 = 6 bits
110 = 7 bits
111 = 8 bits
11:8
WSEQ_DATA_
START [3:0]
0000
Bit position of the LSB of the data block written in this
sequence step.
0000 = Bit 0
…
1111 = Bit 15
7:0
WSEQ_ADDR
[7:0]
0000_0000 Control Register Address to be written to in this
sequence step.
Register 6Dh Write Sequencer 1



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