Cirrus Logic CDB8427 - Manual (Page 5)

CDB8427
5
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 enabled)
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 CS8427 control from external
µC
Table 1. System Connections
JUMPER PURPOSE POSITION FUNCTION SELECTED
J11 Selects physical format of digital
audio interface input AES3 & S/PDIF
OPTICAL
Connects input as either AES3 or S/PDIF
Connects input as OPTICAL
J12 Configures AES3 INPUT ENABLE
DISABLE
AES3 INPUT enabled
AES3 INPUT disabled
J13 Configures S/PDIF INPUT ENABLE
DISABLE
S/PDIF INPUT enabled
S/PDIF INPUT disabled
J14 Configures OPTICAL INPUT ENABLE
DISABLE
OPTICAL INPUT enabled
OPTICAL INPUT disabled
J16 Selects physical format of digital
audio interface output AES3
S/PDIF
Connects output as AES3 XLR
Connects output as S/PDIF coaxial
J17 Configures S/PDFIF OUTPUT ENABLE
DISABLE
S/PDIF OUTPUT enabled
S/PDIF OUTPUT disabled
J15 Configures HARDWARE MODE
MUTE ENABLE
DISABLE
Enables MUTE when in hardware mode 1
Disables MUTE when in hardware mode 1
Table 2. CDB8427 Jumper Settings