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CS42L50 датащи(PDF) 18 Page - Cirrus Logic

номер детали CS42L50
подробное описание детали  Low Voltage, Stereo CODEC with headphone Amp
PDF  48 Pages
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производитель  CIRRUS [Cirrus Logic]
домашняя страница  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS42L50 датащи(HTML) 18 Page - Cirrus Logic

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CS42L50
18
DS544PP1
4. REGISTER DESCRIPTION
4.1
ADC (Address = 0010000)
4.1.1 I/O and Power Control (address 01h)
4.1.2
20DB GAIN BOOST (BOOST)
Default = 0
0 - Disabled
1 - Enabled
Function:
Applies a 20dB digital gain to the input signal, regardless of the input path.
4.1.3 ANALOG INPUT MULTIPLEXER (AINMUX)
Default = 00
00 - Channel 1 direct to A/D
01 - Channel 2 direct to A/D
10 - Channel 2 through PGA to A/D
11 - Reserved
Function:
The analog input multiplexer selects the input channel as well as the input path ass
ociated with various
gain stages.
4.1.4 POWER DOWN (PDN)
Default - 1
0 - Disabled
1 - Enabled
Function:
The entire ADC device will enter a low-power state whenever this function is activated. The power-down
bit defaults to ‘enabled’ on power-up and must be disabled before normal operation will begin. The con-
tents of the control registers are retained when this mode is enabled.
4.1.5 CONTROL PORT ENABLE (CP_EN)
Default = 0
0 - Disabled
1 - Enabled
Function:
The ADC will enter control port mode when this bit is enabled. This bit must be set prior to writing to the
control port.
765
4321
0
RESERVED
BOOST
AINMUX1
AINMUX0
RESERVED
RESERVED
PDN
CP_EN
000
0001
0



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