Cirrus Logic CS42518 - Manual (Page 2)

2 DS584F2
CS42518
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 ....................................................................................... 15
2. PIN DESCRIPTIONS ............................................................................................................................ 16
3. TYPICAL CONNECTION DIAGRAM ............................................................................................... 19
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
4.6.4.1 OLM Config #1 ........................................................................................................... 32
4.6.4.2 OLM Config #2 ........................................................................................................... 33
4.6.4.3 OLM Config #3 ........................................................................................................... 34
4.6.4.4 OLM Config #4 ........................................................................................................... 35
4.6.4.5 OLM Config #5 ........................................................................................................... 36
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
5. REGISTER QUICK REFERENCE ........................................................................................................ 41