Cirrus Logic CDB53L21 - Manual (Page 20)

20 DS700DB1
CDB53L21
5. SYSTEM CONNECTIONS AND JUMPERS
CONNECTOR REF INPUT/OUTPUT SIGNAL PRESENT
+5V J26 Input +5.0 V Power Supply.
GND J27 Input Ground Reference .
RS232 J95 Input/Output Serial connection to PC for SPI / I²C control port signals.
USB J94 Input/Output USB connection to PC for SPI / I²C control port signal.
S/PDIF OPTICAL
OUT
OPT2 Output CS8406 digital audio output via optical cable.
S/PDIF COAX OUT J68 Output CS8406 digital audio output via coaxial cable.
I/O Header J5 Input/Output I/O for Clocks & Data.
S/W CONTROL J109 Input/Output I/O for external SPI / I²C control port signals.
MICRO JTAG J110 Input/Output I/O for programming the micro controller (U84).
FPGA JTAG J78 Input/Output I/O for programming the FPGA (U14).
MICRO RESET S4 Input Reset for the micro controller (U84).
FPGA PROGRAM S2 Input Reload Xilinx Flash program into the FPGA (U14).
H/W BOARD RESET S1 Input Reset for the CS53L21 (U1).
LINEB
LINEA J62
J7
Input RCA phono jacks for analog input signal to CS53L21.
MIC1
MIC2 J35
J51
Input Microphone jacks for analog input signal to CS53L21.
Table 3. System Connections