Table Of Contents - Cirrus Logic CS42518-CQ Instructions Manual

TABLE OF CONTENTS

1 CHARACTERISTICS AND SPECIFICATIONS ......................................................................... 6
SPECIFIED OPERATING CONDITIONS ................................................................................. 6
ABSOLUTE MAXIMUM RATINGS ........................................................................................... 6
ANALOG INPUT CHARACTERISTICS .................................................................................... 7
A/D DIGITAL FILTER CHARACTERISTICS............................................................................. 8
ANALOG OUTPUT CHARACTERISTICS ................................................................................ 9
D/A DIGITAL FILTER CHARACTERISTICS........................................................................... 10
SWITCHING CHARACTERISTICS ........................................................................................ 11
SWITCHING CHARACTERISTICS - CONTROL PORT - I2C FORMAT................................ 12
SWITCHING CHARACTERISTICS - CONTROL PORT - SPI FORMAT ............................... 13
DC ELECTRICAL CHARACTERISTICS................................................................................. 14
DIGITAL INTERFACE CHARACTERISTICS.......................................................................... 14
2 PIN DESCRIPTIONS ............................................................................................................... 15
3 TYPICAL CONNECTION DIAGRAMS
4 APPLICATIONS ....................................................................................................................... 20
4.1. Overview ......................................................................................................................... 20
4.2. Analog Inputs .................................................................................................................. 20
4.2.1 Line Level Inputs ................................................................................................. 20
4.2.2 High Pass Filter and DC Offset Calibration ......................................................... 21
4.3. Analog Outputs ............................................................................................................... 21
4.3.1 Line Level Outputs and Filtering ......................................................................... 21
4.3.2 Interpolation Filter ............................................................................................... 21
4.3.3 Digital Volume and Mute Control ........................................................................ 22
4.3.4 ATAPI Specification ............................................................................................ 22
4.4. S/PDIF Receiver ............................................................................................................. 23
4.4.1 8:2 S/PDIF Input Multiplexer ............................................................................... 23
4.4.2 Error Reporting and Hold Function ..................................................................... 23
4.4.3 Channel Status Data Handling ............................................................................ 23
4.4.4 User Data Handling ............................................................................................. 23
4.4.5 Non-Audio Auto-Detection .................................................................................. 23
4.5. Clock Generation ............................................................................................................ 24
4.5.1 PLL and Jitter Attenuation ................................................................................... 24
4.5.2 OMCK System Clock Mode ................................................................................ 25
4.5.3 Master Mode ....................................................................................................... 25
4.5.4 Slave Mode ......................................................................................................... 25
4.6. Digital Interfaces ............................................................................................................. 26
4.6.1 Serial Audio Interface Signals ............................................................................. 26
4.6.2 Serial Audio Interface Formats ............................................................................ 28
4.6.3 ADCIN1/ADCIN2 Serial Data Format .................................................................. 31
4.6.4 One Line Mode(OLM) Configurations ................................................................. 32
4.7. Control Port Description and Timing ............................................................................... 37
4.7.1 SPI Mode ............................................................................................................ 37
4.7.2 I2C Mode ............................................................................................................. 38
4.8. Interrupts ......................................................................................................................... 39
4.9. Reset and Power-up ...................................................................................................... 39
4.10. Power Supply, Grounding, and PCB layout .................................................................. 39
2
4.6.4a OLM Config #1 ..................................................................................... 32
4.6.4b OLM Config #2 ..................................................................................... 33
4.6.4c OLM Config #3 ..................................................................................... 34
4.6.4d OLM Config #4 ..................................................................................... 35
4.6.4e OLM Config #5 ..................................................................................... 36
................................................................................. 18
CS42518