Cirrus Logic CRD42L52 - Manual (Page 2)

2 DS680RD1
CRD42L52
TABLE OF CONTENTS
1. SYSTEM OVERVIEW ............................................................................................................................. 4
1.1 Power (U2) ....................................................................................................................................... 4
1.2 Microcontroller (U3) ......................................................................................................................... 4
1.3 CS8416 Digital Audio Receiver (U7) ................................................................................................ 4
1.4 CS8406 Digital Audio Transmitter (U8) ............................................................................................ 4
1.5 Oscillator (Y1) .................................................................................................................................. 5
1.6 CS42L52 Audio CODEC (U1) .......................................................................................................... 5
1.7 Analog Input ..................................................................................................................................... 5
1.8 Analog Outputs ................................................................................................................................ 5
1.9 Layout .............................................................................................................................................. 5
2. QUICK-START GUIDE ........................................................................................................................... 6
3. CONFIGURATION OPTIONS ................................................................................................................. 7
3.1 S/PDIF In to Headphone Out ........................................................................................................... 7
3.2 Line In to S/PDIF Out ....................................................................................................................... 7
3.3 S/PDIF In to Speaker Out ................................................................................................................ 8
3.4 Analog In to Analog Out - Digital Loopback ..................................................................................... 8
4. SOFTWARE MODE CONTROL ............................................................................................................. 9
4.1 CODEC Configuration Tab ............................................................................................................ 10
4.2 Analog Input Volume Tab .............................................................................................................. 11
4.3 DSP Engine Tab ............................................................................................................................ 12
4.4 Analog and PWM Output Volume Tab ........................................................................................... 13
4.5 Register Maps Tab ......................................................................................................................... 14
5. PERFORMANCE PLOTS ..................................................................................................................... 15
6. SYSTEM CONNECTIONS & INTERFACE ........................................................................................... 18
CRD42L52 AND CDB42LDB1 BLOCK DIAGRAM .............................................................................. 19
7. CRD42L52 SCHEMATICS ................................................................................................................... 20
8. CDB42LDB1 SCHEMATICS ................................................................................................................ 21
9. CRD42L52 LAYOUT ............................................................................................................................ 23
10. CDB42LDB1 LAYOUT ....................................................................................................................... 24
11. REVISION HISTORY .......................................................................................................................... 27