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CS43130 Datasheet(PDF) 61 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) 61 Page - Cirrus Logic

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DS1073F1
61
CS43130
5.8 Headphone Power-Up Initialization
5.8 Headphone Power-Up Initialization
An example of the power-up initialization for PCM and DSD are shown in Ex. 5-7 and Ex. 5-8, respectively. Follow the
stated sequence every time to initialize the headphone output.
5.8.1
PCM Power-Up Initialization
5.8.2
DSD Power-Up Initialization
8
Power down DSD/XSP/
ASP interfaces
Power Down Control. 0x20000
data(0x20000)
OR (0xE0)
PDN_XSP
PDN_ASP
PDN_DSDIF
PDN_HP
PDN_XTAL
PDN_PLL
PDN_CLKOUT
Reserved
1
1
1
x
x
x
x
x
9
Unmute
DSD Processor Path Signal Control 1. 0x70002
data(0x70002)
AND (0xFC)
Reserved
DSD_VOL_BEQA
DSD_SZC
Reserved
DSD_AMUTE
DSD_AMUTEBEQA
DSD_MUTE_A
DSD_MUTE_B
1
x
x
0
x
x
0
0
Unmute channel A
Unmute channel B
10 Restore defaults
0xC0002
0x10
0xC000E
0x00
0xC0009
0x16
0x10010
0x00
Example 5-7. PCM Power-Up Initialization
STEP
TASK
REGISTER/BIT FIELDS
VALUE
DESCRIPTION
1 PCM Power-Up Initialization
0x10010
0x99
0x10025
0x01
0x1002E
0x00
0xC0006
0x01
0xC0002
0x12
0xC0009
0x00
0xC0003
0x28
0xC0005
0x28
Example 5-8. DSD Power-Up Initialization
STEP
TASK
REGISTER/BIT FIELDS
VALUE
DESCRIPTION
1 DSD Power-Up Initialization
0x10010
0x99
0x10025
0x01
0x1002E
0x00
0xC0006
0x01
0xC0002
0x12
0xC0009
0x00
0xC0003
0x1E
0xC0005
0x20
Example 5-6. DSD Power Down Sequence (Cont.)
STEP
TASK
REGISTER/BIT FIELDS
VALUE
DESCRIPTION



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