CS42L92-CWZR

CS42L92-CWZR Datasheet


CS42L92

Part Datasheet
CS42L92-CWZR CS42L92-CWZR CS42L92-CWZR (pdf)
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CS42L92
32-Bit 384-kHz Hi-Fi Audio Codec
• Integrated multichannel 32-bit hi-fi audio hub codec 99-dB signal-to-noise ratio SNR mic input 48 kHz 127-dB SNR headphone playback 48 kHz total harmonic distortion + noise THD+N Ultrasonic input- and output-path support
• Up to eight analog or digital microphone DMIC inputs
• Multipurpose headphone/earpiece/line output drivers

Support for balanced headphone output loads 33 mW into load at THD+N Hi-fi filters for audiophile-quality playback
• Native audio playback up to 384 kHz sample rate, concurrent with voice and ultrasonic input signal paths
• Digital pulse-density modulation PDM output interface
• Multichannel asynchronous sample-rate conversion
• Multiline audio and control interface
• Three multichannel digital-audio interfaces

Standard data formats up to 384 kHz, 32 bits
• Flexible clocking, derived from MCLKn, AIFn, or SLIMbus

Low-power frequency-locked loops FLLs support reference clocks down to 32 kHz.
• Advanced accessory detection functions
• Configurable functions on up to 16 general-purpose
input/output GPIO pins
• Integrated regulators and charge pumps
• Small W-CSP package, 0.4-mm staggered ball array
• Smartphones, tablets, and multimedia handsets

MICVDD CP2VOUT CP2CA CP2CB CP1C1A CP1C1B CP1VOUT1P CP1VOUT1N CP1C2A CP1C2B CP1VOUT2P CP1VOUT2N AVDD AGND VREFC FLLVDD CPVDD1 CPVDD2 CPGND DCVDD DBVDD FLLGND DGND SUBGND

MICBIAS1A

MICBIAS1B MICBIAS1C MICBIAS1D MICBIAS2A

MICBIAS2B

LDO and MICBIAS

Generators

Charge Pumps

IN1ALN/DMICCLK1, IN1BLN IN1ALP/DMICDAT1, IN1BLP

IN1ARN/DMICCLK3 IN1ARP/DMICDAT3, IN1BR

IN2ALN/DMICCLK2 IN2ALP/DMICDAT2, IN2BL

IN2ARN/DMICCLK4 IN2ARP/DMICDAT4, IN2BR

Input Select
4 x ADC
4 x Stereo Digital Mic Interface

MCLK1 MCLK2 MCLK3

RESET IRQ

AIFnBCLK AIFnLRCLK

SLIMCLK

Clocking Control

SYSCLK ASYNCCLK

Digital Audio Interfaces AIF1, AIF2, AIF3

CS42L92

Reference Generator

Digital Mixing Core

Programmable DSP Five-band equalizer EQ Dynamic range control DRC Low-pass/high-pass filter LHPF Asynchronous sample -rate conversion Automatic sample -rate detection Data format conversion Ultrasonic demodulator

PWM signal generator Haptic control signal generator

PDM Driver

AEC Echo Cancelation Loop-Back

SLIMbus Interface

Control Interface SPI/I2C
DS1162F1
1 Pin Descriptions

WLCSP Pinout

CS42L92
1 Pin Descriptions

CPVDD1

B3 CP1VOUT2N B5

HPOUT4L

HPOUT3L

HPOUT2L B11 HPOUT1L B13

CP2CA

CP2CB

CP1C2A

CPGND

CP1C2B

C6 HPOUT3R C8 HPOUT2R

D3 CP1VOUT2P D5

HPOUT4R

CPVDD2

E4 CP1VOUT1P E6

TRST

MICDET5/ HPOUTFB5

E8 JACKDET1

HPDET2

HPOUT1R

MICDET4/ HPOUTFB4

MICDET3/ HPOUTFB3

HPDET1

GPSW1N

CP1C1A

F3 CP1VOUT1N F5 MICBIAS2A

CP2VOUT G2

CP1C1B

G4 MICBIAS1A G6

H1 MICBIAS1B H3 MICBIAS1C H5 MICBIAS2B

GPSW2N

MICDET2/ HPOUTFB2

GPSW1P

GPSW2P

MICDET1/ HPOUTFB1

JACKDET2
Register addresses from R12288 0x3000 upwards are formatted as 32-bit words. When accessing these addresses, the slice size should be a multiple of 4 bytes and the byte address should be aligned with the 32-bit data word boundaries i.e., an even number . The byte ordering for these register addresses is described in Table

Table SLIMbus Register Read/Write Register Space 0x3000

Register Address

Base address 0xYYYYZZ Base address + 2

Base address + 4

Base address + 6

Byte Sequence

Bytes 4, 3, 2, 1 Bytes 8, 7, 6, 5 Bytes 12, 11, 10, 9 Bytes 16, 15, 14, 13

Output Signal Path

The CS42L92 provides four stereo pairs of audio output signal paths. These outputs comprise ground-referenced headphone drivers, and a digital output interface suitable for external speaker drivers. The output signal paths are summarized in Table

Table Output Signal Path Summary

Signal Path OUT1L, OUT1R OUT2L, OUT2R OUT3L, OUT3R

Descriptions Ground-referenced headphone/earpiece output Ground-referenced headphone/earpiece output Ground-referenced headphone/earpiece output

OUT5L, OUT5R Digital speaker PDM output

Output Pins HPOUT1L, HPOUT1R

HPOUT2L, HPOUT2R

HPOUT3L, HPOUT3R or HPOUT4L, HPOUT4R

SPKDAT, SPKCLK

The analog output paths incorporate high performance 32-bit sigma-delta DACs.

Under default conditions, the headphone drivers provide a stereo, single-ended output. A mono mode is also supported, providing a differential BTL output configuration. The ground-referenced headphone output paths incorporate a common mode feedback path for rejection of system-related noise. These outputs support direct connection to headphone loads, with no requirement for AC coupling capacitors.

The OUT1 and OUT2 paths can be configured in High Performance Mode, offering exceptional performance on the respective headphone outputs. Balanced stereo headphone loads can be supported by assigning the OUT1 and OUT2 signal paths for the left and right channels respectively, with the associated drivers configured for differential output.

DS1162F1

CS42L92

Output Signal Path

The digital output path provides a stereo pulse-density modulation PDM output interface, for connection to external audio devices. A total of two digital output channels are provided.

Digital filters can be enabled in the output signal paths, supporting audiophile-quality DAC playback options. These hi-fi filters allow user selection of the preferred characteristics, e.g., linear phase, antialiasing, or apodizing filter responses .

Digital volume control is available on all outputs analog and digital , with programmable ramp control for smooth, glitch-free operation. A configurable noise-gate function is available on each output signal path. Any two of the output signal paths may be selected as input to the AEC loop-back paths.

The CS42L92 provides short-circuit detection on the headphone output paths. See Section for further details.

The CS42L92 output signal paths are shown in Fig. Note that the OUT4 path is not implemented on this device.

DS1162F1

CS42L92

Output Signal Path

Digital Core OUT1L output

OUT1L_VOL[7:0] p. 162 OUT1L_MUTE p. 162

OUT1R output OUT2L output

OUT1R_VOL[7:0] p. 162 OUT1R_MUTE p. 162

OUT2L_VOL[7:0] p. 162 OUT2L_MUTE p. 162

OUT2R output OUT3L output

OUT2R_VOL[7:0] p. 162 OUT2R_MUTE p. 162

OUT3L_VOL[7:0] p. 163 OUT3L_MUTE p. 163

OUT3R output
9 Ordering Information

Product

CS42L92 32-Bit 384-kHz Hi-Fi Audio Codec
1.Reel quantity = 6000 units.
Table Ordering Information

Package
104-ball WLCSP

Halogen Free

Pb Free

Grade Commercial

Temperature Range
to +85°C

Container Tape and

Reel 1

Order # CS42L92-CWZR

DS1162F1

CS42L92
10 References
10 References
• MIPI Alliance, MIPI Alliance Specification for Serial Low-Power Inter-Chip Media Bus SLIMbus .
• Google Inc, Android Wired Headset Specification, Version headset-spec.html
• International Electrotechnical Commission, IEC60958-3 Digital Audio

F1 NOV ‘17
• AVDD maximum rating amended Table
• DSP memory sizes amended Table
• Package dimension tolerances added Section

Changes

Contacting Cirrus Logic Support

For all product questions and inquiries, contact a Cirrus Logic Sales Representative. To find the one nearest you, go to

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DS1162F1
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Datasheet ID: CS42L92-CWZR 523173