CDB8420 Cirrus Logic Inc, CDB8420 Datasheet - Page 4

• 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

4
JUMPER
OPTICAL OUTPUT
J12
J13
J14
J16
J17
J15
J11
S/PDIF OUTPUT
OPTICAL INPUT
AES3 OUTPUT
CONNECTOR
S/PDIF INPUT
AES3 INPUT
RS232
GND
+5V
J10
J5
J6
J9
Selects physical format of digital
audio interface input
Enables AES3 INPUT
Enables S/PDIF INPUT
Enables OPTICAL INPUT
Selects physical format of digital
audio interface output
Enables S/PDFIF OUTPUT
Enables HARDWARE MODE MUTE
PURPOSE
INPUT/OUTPUT
Input/Output
Input/Output
Input/Output
Input/Output
Output
Output
Output
Input
Input
Input
Input
Input
Input
Table 2. CDB8420 Jumper Settings
Table 1. System Connections
+5 Volt power
Ground connection from power supply
Digital Audio Interface optical input
Digital Audio Interface coaxial input
Digital Audio Interface XLR input
Parallel RS232 port for connection to serial port of PC
Digital Audio Interface optical output (always active)
Digital Audio Interface coaxial output
Digital Audio Interface XLR output
I/O for RMCLK, ISCLK,ILRCK, and SDIN
I/O for OLRCK, OSCLK, OMCK, and SDOUT
10-pin header for external programming of Atmel AVR µC
12-pin header for CS8420 control by external µC
AES3 & S/PDIF
POSITION
OPTICAL
DISABLE
DISABLE
DISABLE
DISABLE
DISABLE
ENABLE
ENABLE
ENABLE
ENABLE
ENABLE
S/PDIF
AES3
Specifies input as either AES3 or S/PDIF type
Specifies input as OPTICAL type
AES3 INPUT enabled
AES3 INPUT disabled
S/PDIF INPUT enabled
S/PDIF INPUT disabled
OPTICAL INPUT enabled
OPTICAL INPUT disabled
Specifies output as AES3 XLR
Specifies output as coaxial S/PDIF
S/PDIF OUTPUT enabled
S/PDIF OUTPUT disabled
Enables MUTE when in hardware mode 1
Disables MUTE when in hardware mode 1
SIGNAL PRESENT
FUNCTION SELECTED
CDB8420
DS245DB4