CDB4265 datasheet(16/30 Pages) CIRRUS

16 / 30 page

CDB4265

DS657DB1

6. CDB CONNECTORS, JUMPERS, AND SWITCHES

CONNECTOR

Reference

Designator INPUT/OUTPUT

SIGNAL PRESENT

+5V

Input

+5.0 V Power Supply

GND

Input

Ground Reference

S/PDIF RX

OPT1

Input

CS8416 digital audio input via optical cable

S/PDIF RX

Input

CS8416 digital audio input via coaxial cable

CS4265 TXOUT

J13

Output

CS4265 S/PDIF transmitter digital audio output via coaxial

cable

CS4265 TXOUT

OPT3

Output

CS4265 S/PDIF transmitter digital audio output via optical

cable

RS232 I/O

J19

Input/Output

Serial connection to PC for SPI / I2C control port signals

USB I/O

J29

Input/Output

USB connection to PC for SPI / I2C control port signals.

Not Available.

PCM I/O

J15

Input/Output

I/O for Serial Audio Clocks & Data

CONTROL

J17

Input/Output

I/O for external SPI / I2C control port signals.

MICRO JTAG

J22

Input/Output

I/O for programming the micro controller (U32).

FPGA-JTAG

J23

Input/Output

I/O for programming the FPGA (U27).

RESET

Input

Reset for the micro controller (U32).

PROGRAM FPGA

Input

Reset for the FPGA (U27).

AINA

AINB

J18

J24

Input

RCA phono jacks for analog input signal to CS4265.

CD IN

J30

Input

CD-ROM type header for analog input signal to CS4265.

MICIN1

MICIN2

J14

J16

Input

1/8“ TRS jacks for microphone input.

AOUTA

AOUTB

J14

J16

Output

RCA phono jacks for DAC analog outputs.

Table 6. System Connections

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