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CS43131 датащи(PDF) 70 Page - Cirrus Logic

номер детали CS43131
подробное описание детали  130-dB, 32-Bit High-Performance DAC with Integrated Headphone Driver and Impedance Detection
PDF  156 Pages
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производитель  CIRRUS [Cirrus Logic]
домашняя страница  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS43131 датащи(HTML) 70 Page - Cirrus Logic

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DS1155F1
CS43131
5.10 Sequence for Using PCM Invert Bits
5.9.2
Sequence for Disabling NOS Filter
5.10 Sequence for Using PCM Invert Bits
Section 5.10.1 and Section 5.10.2 describe sequences for enabling the PCM_INV_A and PCM_INV_B bits, respectively.
5.10.1 Sequence for Enabling Channel A Invert
STEP
TASK
REGISTER/BIT FIELDS
VALUE
DESCRIPTION
1 Set mute to occur with soft ramp
only
PCM Path Signal Control 1. 0x90003
data (0x90003)
AND (0xEF) OR
(0x20)
PCM_RAMP_DOWN
PCM_VOL_BEQA
PCM_SZC
PCM_AMUTE
PCM_AMUTEBEQA
PCM_MUTE_A
PCM_MUTE_B
x
x
10
x
x
x
x
Enable soft ramp
2 Mute both channels
PCM Path Signal Control 1. 0x90003
data (0x90003)
OR (0x03)
PCM_RAMP_DOWN
PCM_VOL_BEQA
PCM_SZC
PCM_AMUTE
PCM_AMUTEBEQA
PCM_MUTE_A
PCM_MUTE_B
x
x
xx
x
x
1
1
Channel A output is muted
Channel B output is muted
3 Wait for 150 ms for mute to occur
4 Disable NOS filter
PCM Filter Option. 0x90000
data (0x90000)
AND (0xDF)
FILTER_SLOW_FASTB
PHCOMP_LOWLATB
NOS
Reserved
PCM_WBF_EN
HIGH_PASS
DEEMP_ON
x
x
0
0 0
x
x
x
NOS emulation mode is off
5 Restore PCM_SZC mode if
desired
PCM Path Signal Control 1. 0x90003
0xHH
PCM_RAMP_DOWN
PCM_VOL_BEQA
PCM_SZC
PCM_AMUTE
PCM_AMUTEBEQA
PCM_MUTE_A
PCM_MUTE_B
x
x
BB
x
x
x
x
Restore PCM_SZC to desired value
6 Unmute both channels
PCM Path Signal Control 1. 0x90003
data (0x90003)
AND (0xFC)
PCM_RAMP_DOWN
PCM_VOL_BEQA
PCM_SZC
PCM_AMUTE
PCM_AMUTEBEQA
PCM_MUTE_A
PCM_MUTE_B
x
x
xx
x
x
0
0
Function is disabled
Function is disabled
STEP
TASK
REGISTER/BIT FIELDS
VALUE
DESCRIPTION
1 Invert channel A calibration
0x180005
0xDC
0x180006
0xFA
0x180015
0xFB
0x180016
0xFB
0x180025
0xF5
0x180026
0xFE
0x180035
0x8F
0x180036
0xFC
2 Enable channel A invert
PCM Path Signal Control 2. 0x90004
data (0x90004)
OR (0x08)
Reserved
PCM_INV_A
PCM_INV_B
PCM_SWAP_CHAN
PCM_COPY_CHAN
0000
1
x
x
x
Enable Channel A invert



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