CS8420-CS Cirrus Logic Inc, CS8420-CS Datasheet - Page 3

• Manufacturer Part Number: CS8420-CS
• Description: Transceiver IC
• Manufacturer: Cirrus Logic Inc

Specifications of CS8420-CS

• Audio Control Type: Sample Rate Converter
• Supply Voltage Range: 4.75V To 5.25V
• Operating Temperature Range: -10°C To +70°C
• Audio Ic Case Style: SOIC
• No. Of Pins: 28
• Msl: MSL 2 - 1 Year
• Frequency Max: 108GHz
• Bandwidth: 20kHz
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LIST OF FIGURES
DS245PP2
13. SOFTWARE MODE - PIN DESCRIPTION ........................................................................... 46
14. HARDWARE MODES ........................................................................................................... 49
15. APPENDIX A: EXTERNAL AES3/SPDIF/IEC60958
16. APPENDIX B: CHANNEL STATUS AND USER DATA BUFFER MANAGEMENT .......... 72
17. PARAMETER DEFINITIONS ................................................................................................ 77
18. PACKAGE DIMENSIONS .................................................................................................... 78
Figure 1. Audio Ports Master Mode Timing..................................................................................... 7
Figure 2. Audio Ports Slave Mode and Data I/O Timing ................................................................. 7
Figure 3. SPI Mode Timing ............................................................................................................. 8
Figure 4. I
Figure 5. Recommended Connection Diagram for Software Mode .............................................. 10
Figure 6. Software Mode Audio Data Flow Switching Options...................................................... 12
Figure 7. Serial Audio Input, using PLL, SRC enabled ................................................................. 13
Figure 8. Serial Audio Input, No PLL, SRC enabled ..................................................................... 13
Figure 9. AES3 Input, SRC enabled ............................................................................................. 13
Figure 10. Serial Audio Input, AES3 Input Clock Source, SRC Enabled ...................................... 13
12.3 Power Supply, Grounding, and PCB layout ................................................................... 44
12.4 Synchronization of Multiple CS8420s ............................................................................ 45
12.5 Extended Range Sample Rate Conversion ................................................................... 45
14.1 Overall Description ........................................................................................................ 49
14.2 Hardware Mode 1 Description ....................................................................................... 50
14.3 Hardware Mode 2 Description ...................................................................................... 53
14.4 Hardware Mode 3 Description ....................................................................................... 56
14.5 Hardware Mode 4 Description ....................................................................................... 60
14.6 Hardware Mode 5 Description ....................................................................................... 64
14.7 Hardware Mode 6 Description ....................................................................................... 67
TRANSMITTER AND RECEIVER COMPONENTS .............................................................. 70
15.1 AES3 Transmitter External Components ....................................................................... 70
15.2 AES3 Receiver External Components ........................................................................... 70
15.3 Isolating Transformer Requirements ............................................................................. 71
16.1 AES3 Channel Status(C) Bit Management .................................................................... 72
16.2 AES3 User (U) Bit Management .................................................................................... 75
14.1.1 Hardware Mode Definitions ............................................................................... 49
14.1.2 Serial Audio Port Formats ................................................................................. 49
14.2.1 Pin Description - Hardware Mode 1 .................................................................. 51
14.3.1 Pin Description - Hardware Mode 2 .................................................................. 54
14.4.1 Pin Description - Hardware Mode 3 .................................................................. 58
14.5.1 Pin Description - Hardware Mode 4 .................................................................. 62
14.6.1 Pin Description - Hardware Mode 5 .................................................................. 65
14.7.1 Pin Description - Hardware Mode 6 .................................................................. 68
16.1.1 Manually accessing the E buffer ....................................................................... 72
16.1.2 Reserving the first 5 bytes in the E buffer ......................................................... 74
16.1.3 Serial Copy Management System (SCMS) ....................................................... 74
16.1.4 Channel Status Data E Buffer Access .............................................................. 74
16.1.5 One Byte mode ................................................................................................. 74
16.1.6 Two Byte mode ................................................................................................. 74
16.2.1 Mode 1: Transmit All Zeros ............................................................................... 75
16.2.2 Mode 2: Block Mode ......................................................................................... 75
16.2.3 IEC60958 Recommended U Data Format For Consumer Applications ............ 75
16.2.4 Mode (3): Reserved .......................................................................................... 76
16.2.5 Mode (4): IEC Consumer B ............................................................................... 76
2
C Mode Timing .............................................................................................................. 9
CS8420
3