Owner's manual

CDB4245
DS656DB1 15
7. CDB CONNECTORS, JUMPERS, AND SWITCHES
CONNECTOR
Reference
Designator INPUT/OUTPUT SIGNAL PRESENT
+5V J1 Input
+5.0 V Power Supply
GND J2 Input
Ground Reference
S/PDIF RX OPT1 Input
CS8416 digital audio input via optical cable
S/PDIF RX J13 Input
CS8416 digital audio input via coaxial cable
S/PDIF TX J15 Output
CS8406 digital audio output via coaxial cable
S/PDIF TX OPT2 Output
CS8406 digital audio output via optical cable
RS232 I/O J42 Input/Output
Serial connection to PC for SPI / I
2
C control port signals
USB I/O J37 Input/Output
USB connection to PC for SPI / I
2
C control port signals.
Not Available.
PCM1 I/O J10 Input/Output
I/O for Serial Audio Port 1 Clocks & Data
PCM2 I/O J9 Input/Output
I/O for Serial Audio Port 2 Clocks & Data
CONTROL J17 Input/Output
I/O for external SPI / I
2
C control port signals.
MICRO JTAG J36 Input/Output
I/O for programming the micro controller (U46).
FPGA-JTAG J18 Input/Output
I/O for programming the FPGA (U35).
MICRO RESET S2 Input
Reset for the micro controller (U46).
PROGRAM FPGA S1 Input
Reset for the FPGA (U35).
PINA
PINB
J38
J39
Input RCA phono jacks for analog input signal to CS4245. Pas-
sive input filter.
AINA
AINB
J40
J41
Input RCA phono jacks for analog input signal to CS4245. Active
input buffer.
MICIN1
MICIN2
J21
J34
Input
1/8“ TRS jacks for microphone input.
AOUTA
AOUTB
J14
J16
Output
RCA phono jacks for auxiliary analog outputs. Active output
buffer.
POUTA
POUTB
J8
J11
Output
RCA phono jacks for DAC analog output. Passive output fil-
ter.
Table 7. System Connections