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WM8944BECS/R 数据表(PDF) 117 Page - Cirrus Logic

部件名 WM8944BECS/R
功能描述  Mono Low-Power CODEC with Video Buffer
PDF  165 Pages
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制造商  CIRRUS [Cirrus Logic]
网页  http://www.cirrus.com
标志 CIRRUS - Cirrus Logic

WM8944BECS/R 数据表(HTML) 117 Page - Cirrus Logic

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WM8944B
Rev 4.3
117
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
Control
Interface
0 = SDA is normal push CMOS
1 = SDA is Open-Drain
0
AUTO_INC
1
Enables address auto-increment
(applies to 2-wire / I2C mode only)
0 = Disabled
1 = Enabled
Register 14h Control Interface
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R21 (15h)
DAC
Control 1
4
DAC_
AUTOMUTE
1
DAC Auto-Mute Control
0 = Disabled
1 = Enabled
0
DAC_DATINV
0
DAC Data Invert
0 = DAC output not inverted
1 = DAC output inverted
Register 15h DAC Control 1
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R22 (16h)
DAC
Control 2
4
DAC_VOL_
RAMP
1
DAC Volume Ramp control
0 = Disabled
1 = Enabled
0
DAC_SB_FLT
0
Selects DAC filter characteristics
0 = Normal mode
1 = Sloping stopband mode
Register 16h DAC Control 2
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R23 (17h)
DAC digital
Vol
8
DAC_MUTE
1
DAC Digital Mute
0 = Disable Mute
1 = Enable Mute
7:0
DAC_VOL [7:0]
1100_0000
DAC Digital Volume
0000_0000 = mute
0000_0001 = -71.625dB
0000_0010 = -71.250dB
…
1100_0000 = 0dB
...
1111_1111 = +23.625dB
Table 27
Register 17h Left DAC digital Vol
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R25 (19h)
ADC
Control 1
8
ADC_
MUTEALL
1
ADC Digital Mute for All Channels
0 = Disable Mute
1 = Enable Mute on all channels



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