CDB8420 Cirrus Logic Inc, CDB8420 Datasheet - Page 2

• Manufacturer Part Number: CDB8420
• Description: EVALUATION BOARD FOR CS8420
• Manufacturer: Cirrus Logic Inc

Specifications of CDB8420

• Main Purpose: Audio, Sample Rate Converter
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: CS8420
• Primary Attributes: Sample Rate Converter with Digital Audio Transmitter and Receiver
• Secondary Attributes: 44.1, 48, 96 kHz Output Sample Rates, AES/EBU, S/PDIF, EIAJ-340, GUI
• Description/function: Audio DSPs
• Operating Supply Voltage: 5 V
• Product: Audio Modules
• Silicon Manufacturer: Cirrus Logic
• Silicon Core Number: CS8420
• Kit Application Type: Data Converter
• Application Sub Type: Sample Rate Converter (SRC)
• Kit Contents: Evaluation Board
• Rohs Compliant: No
• For Use With/related Products: CS8420
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1782

TABLE OF CONTENTS
LIST OF FIGURES
LIST OF TABLES
2
1. OVERVIEW ............................................................................................................................... 3
2. CDB8420.EXE QUICK START GUIDE .................................................................................... 5
3. CDB8420.EXE USER'S GUIDE ................................................................................................ 6
Figure 1. CDB8420 Control Panel Main Window ............................................................................ 6
Figure 2. Board Setup Panel ........................................................................................................... 7
Figure 3. CS8420 Sample Rate Converter...................................................................................... 8
Figure 4. Atmel AVR RISC Micro-controller .................................................................................... 9
Figure 5. Power Supplies and Reset Circuit.................................................................................. 10
Figure 6. Silkscreen....................................................................................................................... 11
Figure 7. Top PCB......................................................................................................................... 12
Figure 8. Bottom PCB ................................................................................................................... 13
Table 1. System Connections ......................................................................................................... 4
Table 2. CDB8420 Jumper Settings................................................................................................ 4
Table 3. Script file syntax description.............................................................................................. 7
1.1 CS8420 .............................................................................................................................. 3
1.2 Micro-Controller and Memory ............................................................................................ 3
1.3 Crystal Oscillators .............................................................................................................. 3
1.4 RS232 Port ........................................................................................................................ 3
1.5 LED Function Indicators ..................................................................................................... 3
2.1 Setting up the hardware: .................................................................................................... 5
2.2 Installing the software: ....................................................................................................... 5
2.3 Starting up the software: .................................................................................................... 5
2.4 Starting up the Hardware: .................................................................................................. 5
3.1 Main Window ..................................................................................................................... 6
3.2 Board Setup ....................................................................................................................... 7
3.3 Script file syntax ................................................................................................................. 7
CDB8420
DS245DB4