PCM3793A
PCM3794A
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Register 73
Register 73
SLAS529A–JANUARY 2007–REVISED FEBRUARY 2007
B15
0
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
PBIS
PDAR
PDAL
PHPC
PHPR
PHPL
PSPR
PSPL
IDX[6:0]: 100 1001b (49h): Register 73
PBIS: Power Up/Down Control for Bias
Default value: 0
This bit is used to control power up/down for the analog bias circuit.
PBIS = 0
PBIS = 1
Power down (default)
Power up
PDAR: Power Up/Down Control for DAR (DAC and R-Channel Digital Filter)
PDAL: Power Up/Down Control for DAL (DAC and L-Channel Digital Filter)
Default value: 0
These bits are used to control power up/down for the DAC and interpolation filter.
PDAR, PDAL = 0
PDAR, PDAL = 1
Power down (default)
Power up
PHPC: Power Up/Down Control for HPC (Headphone COM/Monaural Output)
Default value: 0
This bit is used to control power up/down for the headphone COM or monaural line amplifier.
PHPC = 0
PHPC = 1
Power down (default)
Power up
PHPR: Power Up/Down Control for HPR (Line or R-Channel Headphone Output)
PHPL: Power Up/Down Control for HPL (Line or L-Channel Headphone Output)
Default value: 0
These bits are used to control power up/down for the headphone amplifier.
PHPR, PHPL = 0
PHPR, PHPL = 1
Power down (default)
Power up
PSPR: Power Up/Down Control for SPR (R-Channel Speaker Output, PCM3793A)
PSPL: Power Up/Down Control for SPL (L-Channel Speaker Output, PCM3793A)
Default value: 0
These bits are used to control power up/down for the PCM3793A speaker amplifier. These bits should be set to
0 for the PCM3794A, because it has no speaker outputs.
PSPR, PSPL = 0
PSPR, PSPL = 1
Power down (default)
Power up
37
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