Manual

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