CDB5345 Datasheet, PDF (13/27 Pages) Cirrus Logic – Evaluation Board for CS5345

CDB5345
6. CDB CONNECTORS, JUMPERS, AND SWITCHES
CONNECTOR
+5V
GND
S/PDIF TX
S/PDIF TX
RS232 I/O
USB I/O
PCM1 I/O
CONTROL
MICRO JTAG
FPGA-JTAG
MICRO RESET
PROGRAM FPGA
PINA
PINB
Reference
Designator INPUT/OUTPUT
SIGNAL PRESENT
J1
Input
+5.0 V Power Supply
J2
Input
Ground Reference
J15
Output
CS8406 digital audio output via coaxial cable
OPT2
Output
CS8406 digital audio output via optical cable
J42
Input/Output _{Serial connection to PC for SPI / I}²_{C control port signals}
J37
Input/Output _{USB connection to PC for SPI / I}²_{C control port signals.}
Not Available.
J10
Input/Output ^{I/O for Serial Audio Clocks & Data}
J17
Input/Output _{I/O for external SPI / I}²_{C control port signals.}
J36
Input/Output ^{I/O for programming the micro controller (U46).}
J18
Input/Output ^{I/O for programming the FPGA (U35).}
S2
Input
Reset for the micro controller (U46).
S1
Input
Reset for the FPGA (U35).
J38
Input
RCA phono jacks for analog input signal to CS5345. Pas-
J39
sive input filter.
AINA
AINB
J40
Input
RCA phono jacks for analog input signal to CS5345. Active
J41
input buffer.
MICIN1
J21
Input
1/8“ TRS jacks for microphone input.
MICIN2
J34
AOUTA
J14
Output
RCA phono jacks for PGA analog outputs. Active output
AOUTB
J16
buffer.
Table 4. System Connections
DS658DB1
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