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CS43131 Datasheet(PDF) 132 Page - Cirrus Logic

Part # CS43131
Description  130-dB, 32-Bit High-Performance DAC with Integrated Headphone Driver and Impedance Detection
PDF  156 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS43131 Datasheet(HTML) 132 Page - Cirrus Logic

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132
DS1155F1
CS43131
7.5 Headphone and PCM Registers
5
HPDETECT_
UNPLUG_
DBC
HPDETECT unplug debounce status. Setting HPDETECT_INV reverses the meaning of this bit.
0 (Default) Condition is not present
1 Condition is present
4:0
—
Reserved
7.5.13 HP Load 1
Address 0xE0000
R/W
76543210
HPLOAD_EN
—
HPLOAD_
CHN_SEL
—
HPLOAD_AC_
START
HPLOAD_DC_
START
Default
00000000
Bits
Name
Description
7
HPLOAD_EN HP load enable.
0 (Default) Function disabled
1 Function enabled
6:5
—
Reserved
4HPLOAD_
CHN_SEL
Select channel to perform HP load measurement.
0 (Default) HPOUTA
1HPOUTB
3:2
—
Reserved
1
HPLOAD_AC_
START
HP load AC measurement trigger. A change from 0 to 1 initiates the measurement process. After the measurement
completes, this bit must be manually changed back to 0 before initiating another process.
(Default) HPLOAD_AC_START = 0
0HPLOAD_
DC_START
HP load DC measurement trigger. A change from 0 to 1 initiates the measurement process. After measurement
complete, this bit must be manually changed back to 0 before initiating another process.
(Default) HPLOAD_DC_START = 0
7.5.14 HP Load Measurement 1
Address 0xE0003
R/W
76543210
HPLOAD_MEAS_FREQ_LSB
Default
00000000
Bits
Name
Description
7:0
HPLOAD_
MEAS_
FREQ_LSB
LSB of HP load measurement frequency selection for AC detect (5.86 Hz/lsb when MCLK_INT = 24.576 MHz. 5.94 Hz/
lsb when MCLK_INT = 22.5792 MHz). Frequency range is 20 Hz to 20 kHz.
Default: 0000 0000
7.5.15 HP Load Measurement 2
Address 0xE0004
R/W
76543210
HPLOAD_MEAS_FREQ_MSB
Default
00000000
Bits
Name
Description
7:0
HPLOAD_
MEAS_
FREQ_MSB
MSB of HP load measurement frequency selection for AC detect (5.86 Hz/lsb when MCLK_INT = 24.576 MHz. 5.94 Hz/
lsb when MCLK_INT = 22.5792 MHz). Frequency range is 20 Hz to 20 kHz.
Default: 0000 0000
Bits
Name
Description



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