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CS43130 Datasheet(PDF) 113 Page - Cirrus Logic

Part # CS43130
Description  130-dB, 32-Bit High-Performance DAC with Integrated Headphone Driver
PDF  137 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS43130 Datasheet(HTML) 113 Page - Cirrus Logic

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DS1073F1
113
CS43130
7.5 Headphone and PCM Registers
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
7.5.11 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
7.5.12 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
7.5.13 HP DC Load Status 0
Address 0xE000D
R/O
76543210
RL_DC_STAT_0
Default
00000000
Bits
Name
Description
7:0
RL_DC_
STAT_0
Byte 0 of HP DC load measured in
.RL_DC_STAT_1[7:0] and RL_DC_STAT_0[7:3] represent integer portion of
impedance value.
RL_DC_STAT_0[2:0] represent fractional portion, with fractional weighting as follows:
[2]: 0.5
[1]: 0.25
[0]: 0.125
Default: 0000000
7.5.14 HP DC Load Status 1
Address 0xE000E
R/O
76543210
RL_DC_STAT_1
Default
00000000
Bits
Name
Description
7:0
RL_DC_
STAT_1
Byte 1 of HP DC load measured in
.Refer to RL_DC_STAT_0 for details of measurement interpretation.
Default: 0000000
Bits
Name
Description



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