CS43130 Datasheet, PDF (63/137 Pages) Cirrus Logic – 130-dB, 32-Bit High-Performance DAC with Integrated Headphone Driver

5.9.2 DSD Power-Up Sequence
Example 5-10. DSD Power-Up Sequence
STEP
TASK
REGISTER/BIT FIELDS
1 Run DSD power-up initialization sequence in Ex. 5-8.
2 Power on appropriate interface.Power Down Control. 0x20000
3 Pop-free startup
4 Power on amplifier
PDN_XSP
PDN_ASP
PDN_DSDIF
PDN_HP
PDN_XTAL
PDN_PLL
PDN_CLKOUT
Reserved
0x1002C
Power Down Control. 0x20000
PDN_XSP
PDN_ASP
PDN_DSDIF
PDN_HP
PDN_XTAL
PDN_PLL
PDN_CLKOUT
Reserved
5 Wait for 10 ms
6 Restore defaults
0xC0006
0xC0002
0xC0009
7 Audio output will be active. Wait for 1000 ms.
8 Restore defaults
0x1002C
0x10010
CS43130
5.9 Headphone Power-Up Sequence
VALUE
DESCRIPTION
data (0x20000)
AND (0xHH)
B
B
B
x
x
x
x
x
0x0A
data (0x20000)
AND (0xEF)
x
x
x
0
x
x
x
0
For DoP on XSP, HH = 7F.
For DoP on ASP, HH = BF.
For DSD interface, HH = DF.
XSP interface enable
ASP interface enable
DSD interface enable
Power up HP
0x0C
0x10
0x20
0x00
0x00
DS1073F1
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