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CS43131 датащи(PDF) 96 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) 96 Page - Cirrus Logic

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96
DS1155F1
CS43131
5.13 Example Sequences
14
Configure XSP Clock
XSP Clock Configuration. 0x40028
0x1C
Reserved
XSP_M/SB
XSP_SCPOL_OUT
XSP_SCPOL_IN
XSP_LCPOL_OUT
XSP_LCPOL_IN
000
1
1
1
0
0
Set XSP port to be Master
Set output SCLK polarity
Input SCLK polarity is don’t care
Set Output LRCLK polarity
Input LRCLK polarity is don’t care
15
Configure XSP Frame
XSP Frame Configuration. 0x40029
0x0A
Reserved
XSP_STP
XSP_5050
XSP_FSD
000
0
1
010
Configure XSP port to accept I2S input
16
Set XSP Channel Location
XSP Channel 1 Location. 0x60000
0x00
XSP_RX_CH1
0x00
XSP Channel 1 starts on SCLK0
XSP Channel 2 Location. 0x60001
0x00
XSP_RX_CH2
0x00
XSP Channel 2 starts on SCLK0
17
Set XSP Channel Size and
Enable
XSP Channel 1 Size and Enable.
0x6000A
0x06
Reserved
XSP_RX_CH1_AP
XSP_RX_CH1_EN
XSP_RX_CH1_RES
0000
0
1
10
XSP Channel 1 Active Phase
XSP Channel 1 Enable
XSP Channel 1 Size is 24 bits
XSP Channel 2 Size and Enable.
0x6000B
0x0E
Reserved
XSP_RX_CH2_AP
XSP_RX_CH2_EN
XSP_RX_CH2_RES
0000
1
1
10
XSP Channel 2 Active Phase
XSP Channel 2 Enable
XSP Channel 2 Size is 24 bits
18
Configure DSD Processor
19
Configure DSD Volume
DSD Volume A. 0x70001
0x00
DSD_VOLUME_A
0x00
Channel A volume set to 0 dB
20
Configure DSD path Signal
Control 1
DSD Processor Path Signal Control 1.
0x70002
0xCC
DSD_RAMP_UP
DSD_VOL_BEQA
DSD_SZC
Reserved
DSD_AMUTE
DSD_AMUTE_BEQA
DSD_MUTE_A
DSD_MUTE_B
1
1
0
0
1
1
0
0
DSD Volume B equals DSD volume A
Immediate change
Mute occurs after 256 repeated 8-bit DSD mute patterns
Mute happens only when mute pattern is detected in both
channels
Function is disabled
Function is disabled
21
Configure DSD Interface
DSD Interface Configuration.
0x70003
0x00
Reserved
DSD_M/SB
DSD_PM_EN
DSD_PM_SEL
0000 0
0
0
0
DSD_M/SB is don’t care
Function is disabled
Function is disabled
22
Configure DSD path Signal
Control 2
DSD Processor Path Signal Control 2.
0x70004
0x70
Reserved
DSD_PRC_SRC
DSD_EN
Reserved
DSD_SPEED
STA_DSD_DET
INV_DSD_DET
0
11
1
0
0
0
0
Set source of DSD processor to XSP
Enable DSD playback
Set DSD clock speed to 64
•FS
Static DSD detection disabled
Invalid DSD detection disabled
23
Configure DSD path Signal
Control 3
DSD Processor Path Signal Control 3.
0x70006
0xC0
DSD_ZERODB
DSD_HPF_EN
Reserved
SIGCTL_DSDEQPCM
DSD_INV_A
DSD_INV_B
DSD_SWAP_CHAN
DSD_COPY_CHAN
1
1
0
0
0
0
0
0
DSD stream volume setting
Enable DSD HPF
Function is disabled
Function is disabled
Function is disabled
Function is disabled
Function is disabled
24
Configure HP Output for 1.732 Vrms
Example 5-18. DoP and PCM Mixing (Cont.)
STEP
TASK
REGISTER/BIT FIELDS
VALUE
DESCRIPTION



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