User Manual
Table Of Contents
- 1. Pin Descriptions
- 2. Typical Connection Diagram
- 3. Characteristic and Specifications
- Recommended Operating Conditions
- Absolute Maximum Ratings
- Analog Input Characteristics
- ADC Digital Filter Characteristics
- Analog Output Characteristics
- Analog Passthrough Characteristics
- PWM Output Characteristics
- Headphone Output Power Characteristics
- Line Output Voltage Level Characteristics
- Combined DAC Interpolation and onChip Analog FIlter Response
- Switching Specifications - Serial Port
- Switching Specifications - I²C Control Port
- DC Electrical Characteristics
- Digital Interface Specifications and Characteristics
- Power Consumption
- 4. Applications
- 4.1 Overview
- 4.2 Analog Inputs
- 4.3 Analog Outputs
- 4.4 Analog In to Analog Out Passthrough
- 4.5 PWM Outputs
- 4.6 Serial Port Clocking
- 4.7 Digital Interface Formats
- 4.8 Initialization
- 4.9 Recommended Power-up Sequence
- 4.10 Recommended Power-Down Sequence
- 4.11 Required Initialization Settings
- 4.12 Control Port Operation
- 5. Register Quick Reference
- 6. Register Description
- 6.1 Chip I.D. and Revision Register (Address 01h) (Read Only)
- 6.2 Power Control 1 (Address 02h)
- 6.3 Power Control 2 (Address 03h)
- 6.4 Power Control 3 (Address 04h)
- 6.5 Clocking Control (Address 05h)
- 6.6 Interface Control 1 (Address 06h)
- 6.7 Interface Control 2 (Address 07h)
- 6.8 Input x Select: ADCA and PGAA (Address 08h), ADCB and PGAB (Address 09h)
- 6.9 Analog and HPF Control (Address 0Ah)
- 6.10 ADC HPF Corner Frequency (Address 0Bh)
- 6.11 Misc. ADC Control (Address 0Ch)
- 6.12 Playback Control 1 (Address 0Dh)
- 6.13 Miscellaneous Controls (Address 0Eh)
- 6.14 Playback Control 2 (Address 0Fh)
- 6.15 MICx Amp Control:MIC A (Address 10h) and MIC B (Address 11h)
- 6.16 PGAx Vol. and ALCx Transition Ctl.: ALC, PGA A (Address 12h) and ALC, PGA B (Address 13h)
- 6.17 Passthrough x Volume: PASSAVOL (Address 14h) and PASSBVOL (Address 15h)
- 6.18 ADCx Volume Control: ADCAVOL (Address 16h) and ADCBVOL (Address 17h)
- 6.19 ADCx Mixer Volume: ADCA (Address 18h) and ADCB (Address 19h)
- 6.20 PCMx Mixer Volume: PCMA (Address 1Ah) and PCMB (Address 1Bh)
- 6.21 Beep Frequency and On Time (Address 1Ch)
- 6.22 Beep Volume and Off Time (Address 1Dh)
- 6.23 Beep and Tone Configuration (Address 1Eh)
- 6.24 Tone Control (Address 1Fh)
- 6.25 Master Volume Control: MSTA (Address 20h) and MSTB (Address 21h)
- 6.26 Headphone Volume Control: HPA (Address 22h) and HPB (Address 23h)
- 6.27 Speaker Volume Control: SPKA (Address 24h) and SPKB (Address 25h)
- 6.28 ADC and PCM Channel Mixer (Address 26h)
- 6.29 Limiter Control 1, Min/Max Thresholds (Address 27h)
- 6.30 Limiter Control 2, Release Rate (Address 28h)
- 6.31 Limiter Attack Rate (Address 29h)
- 6.32 ALC Enable and Attack Rate (Address 2Ah)
- 6.33 ALC Release Rate (Address 2Bh)
- 6.34 ALC Threshold (Address 2Ch)
- 6.35 Noise Gate Control (Address 2Dh)
- 6.36 Status (Address 2Eh) (Read Only)
- 6.37 Battery Compensation (Address 2Fh)
- 6.38 VP Battery Level (Address 30h) (Read Only)
- 6.39 Speaker Status (Address 31h) (Read Only)
- 6.40 Charge Pump Frequency (Address 34h)
- 7. Analog Performance Plots
- 8. Example System Clock Frequencies
- 9. PCB Layout Considerations
- 10. ADC and DAC Digital Filters
- 11. Parameter Definitions
- 12. Package Dimensions
- 13. Ordering Information
- 14. References
- 15. Revision History
40 DS680F2
CS42L52
3/1/13
5. REGISTER QUICK REFERENCE
Default values are shown below the bit names. Unless otherwise specified, all “Reserved” bits must maintain their
default values.
Adr. Function 7 6 5 4 3 2 1 0
01h ID CHIPID4 CHIPID3 CHIPID2 CHIPID1 CHIPID0 REVID2 REVID1 REVID0
p42 11100xxx
02h Power Ctl 1 PDN_CHRG Reserved Reserved PDN_PGAB PDN_PGAA PDN_ADCB PDN_ADCA PDN
p42 00000001
03h Power Ctl 2 Reserved Reserved Reserved OVRDB OVRDA PDN_MICB PDN_MICA PDN_BIAS
p43 00000111
04h Power Ctl 3 PDN_HPB1 PDN_HPB0 PDN_HPA1 PDN_HPA0 PDN_SPKB1 PDN_SPKB0 PDN_SPKA1 PDN_SPKA0
p44 00000101
05h Clocking Ctl AUTO SPEED1 SPEED0 32kGROUP VIDEOCLK RATIO1 RATIO0 MCLKDIV2
p44 10100000
06h Interface Ctl 1 M/S
INV_SCLK ADCDIF DSP DACDIF1 DACDIF0 AWL1 AWL0
p46 00000000
07h Interface Ctl 2 Reserved SCLK=MCLK DIGLOOP 3ST_SP INV_SWCH BIASLVL2 BIASLVL1 BIASLVL0
p47 00000000
08h Input A Select ADCASEL2 ADCASEL1 ADCASEL0 PGAASEL5 PGAASEL4 PGAASEL3 PGAASEL2 PGAASEL1
p48 10000001
09h Input B Select ADCBSEL2 ADCBSEL1 ADCBSEL0 PGABSEL5 PGABSEL4 PGABSEL3 PGABSEL2 PGABSEL1
p48 10000001
0Ah Analog,
HPF Ctl
HPFB HPFRZB HPFA HPFRZA ANLGSFTB ANLGZCB ANLGSFTA ANLGZCA
p49 10100101
0Bh ADC HPF Cor-
ner Freq.
Reserved Reserved Reserved Reserved HPFB_CF1 HPFB_CF0 HPFA_CF1 HPFA_CF0
p50 00000000
0Ch Misc. ADC Ctl ADCB=A DIGMIX DIGSUM1 DIGSUM0 INV_ADCB INV_ADCA ADCBMUTE ADCAMUTE
p50 00000000
0Dh Playback Ctl 1 HPGAIN2 HPGAIN1 HPGAIN0 PLYBCKB=A INV_PCMB INV_PCMA MSTBMUTE MSTAMUTE
p51 01100000
0Eh Misc. Ctl PASSTHRUB PASSTHRUA PASSBMUTE PASSAMUTE FREEZE DEEMPH DIGSFT DIGZC
p52 00000010
0Fh Playback Ctl 2 HPBMUTE HPAMUTE SPKBMUTE SPKAMUTE SPKB=A SPKSWAP SPKMONO MUTE50/50
p54 00000 00
10h MICA Amp Ctl Reserved MICASEL MICACFG MICAGAIN4 MICAGAIN3 MICAGAIN2 MICAGAIN1 MICAGAIN0
p55 00000000
11h MICB Amp Ctl Reserved MICBSEL MICBCFG MICBGAIN4 MICBGAIN3 MICBGAIN2 MICBGAIN1 MICBGAIN0
p55 00000000
12h PGAA Vol, Misc ALCASRDIS ALCAZCDIS PGAAVOL5 PGAAVOL4 PGAAVOL3 PGAAVOL2 PGAAVOL1 PGAAVOL0
p55 00000000
13h PGAB Vol, Misc ALCBSRDIS ALCBZCDIS PGABVOL5 PGABVOL4 PGABVOL3 PGABVOL2 PGABVOL1 PGABVOL0
p55 00000000
14h Passthru A Vol PASSAVOL7 PASSAVOL6 PASSAVOL5 PASSAVOL4 PASSAVOL3 PASSAVOL2 PASSAVOL1 PASSAVOL0
p57 00000000
15h Passthru B Vol PASSBVOL7 PASSBVOL6 PASSBVOL5 PASSBVOL4 PASSBVOL3 PASSBVOL2 PASSBVOL1 PASSBVOL0
p57 00000000
16h ADCA Vol ADCAVOL7 ADCAVOL6 ADCAVOL5 ADCAVOL4 ADCAVOL3 ADCAVOL2 ADCAVOL1 ADCAVOL0
p57 00000000
17h ADCB Vol ADCBVOL7 ADCBVOL6 ADCBVOL5 ADCBVOL4 ADCBVOL3 ADCBVOL2 ADCBVOL1 ADCBVOL0
p57 00000000
18h ADCMIXA Vol AMIXAMUTE AMIXAVOL6 AMIXAVOL5 AMIXAVOL4 AMIXAVOL3 AMIXAVOL2 AMIXAVOL1 AMIXAVOL0
p58 10000000
19h ADCMIXB Vol AMIXBMUTE AMIXBVOL6 AMIXBVOL5 AMIXBVOL4 AMIXBVOL3 AMIXBVOL2 AMIXBVOL1 AMIXBVOL0
p58 10000000
1Ah PCMMIXA Vol PMIXAMUTE PMIXAVOL6 PMIXAVOL5 PMIXAVOL4 PMIXAVOL3 PMIXAVOL2 PMIXAVOL1 PMIXAVOL0
p58 00000000