Table 1. System Connections - Cirrus Logic CDB4271 Instruction Manual

CONNECTOR
+5V - J1
-18V - J7
+18V - J6
VA - J5
VD - J3
VL - J2
GND - J4
RX-COAX - J25
RX-OPT - OPT1
TX-COAX - J12
TX-OPT - J18
PC Port - J31
PCM HEADER - J26
8416 SDOUT - J24
8406 SDIN - J17
EXT CTRL I/O
AINL - J29
AINR - J27
AOUTL - J23
AOUTR - J16
INPUT/OUTPUT
Input +5.0 V Power Supply
Input -18.0 V to -5.0 V Power Supply for the op-amps
Input +5.0 V to +18.0 V Power Supply for the op-amps
Input +5.0 V Power Supply for VA
Input +3.3 V to +5.0 V Variable Power Supply for VD
Input +3.3 V to +5.0 V Variable Power Supply for VL
Input Ground Reference
Input Digital audio input via coaxial cable
Input Digital audio input via optical cable
Output CS8406 digital audio output via coaxial cable
Output CS8406 digital audio output via optical cable
Input/Output
Parallel connection to PC for SPI / I
tem configuration
Input/Output I/O for Clocks & Data
Output CS8416 serial data output (SDOUT)
Input External data source for CS8406 SDIN
Input/Output
I/O for external SPI / I
header in/out selection (J34)
Input RCA phono jacks for analog input signal to CS4271
Output RCA phono jacks for analog outputs

Table 1. System Connections

SIGNAL PRESENT
2
C control port signals and sys-
2
C control port signals (J32) and control signal
CDB4271
9