Instruction Manual

DS773F1 45
CS42L55
6.5.2 32 kHz Sample Rate Group
Specifies whether or not the input/output sample rate is 8 kHz, 16 kHz or 32 kHz.
6.5.3 Internal MCLK/LRCK Ratio
Configures the internal MCLK/LRCK ratio.
6.6 Class H Power Control (Address 06h)
6.6.1 Adaptive Power Adjustment
Configures how the power to the headphone and line amplifiers adapts to the output signal level.
6.7 Miscellaneous Control (Address 07h)
6.7.1 Digital MUX
Selects the signal source for the ADC serial port.
32kGROUP 8 kHz, 16 kHz or 32 kHz sample rate?
0 No
1Yes
Application: “Serial Port Clocking” on page 34
RATIO[1:0] Internal MCLK Cycles per LRCK
00 Reserved
01 125
10 Reserved
11 136
Application: “Serial Port Clocking” on page 34
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Reserved Reserved ADPTPWR1 ADPTPWR0 Reserved Reserved Reserved Reserved
ADPTPWR[1:0] Power Supply
00 Adapted to volume setting; Voltage level is determined by the sum of the relevant volume settings
01 Fixed - Headphone and Line Amp supply = +/-VCP/2
10 Fixed - Headphone and Line Amp supply = +/-VCP
11 Adapted to Signal; Voltage level is dynamically determined by the output signal
Application: “Class H Amplifier” on page 27
76543210
DIGMUX Reserved Reserved Reserved ANLGZC DIGSFT Reserved FREEZE
DIGMUX SDOUT Signal Source
0 ADC
1 DSP Mix