Cirrus Logic CDB4271 - Manual (Page 9)

CDB4271
9
CONNECTOR INPUT/OUTPUT SIGNAL PRESENT
+5V - J1 Input +5.0 V Power Supply
-18V - J7 Input -18.0 V to -5.0 V Power Supply for the op-amps
+18V - J6 Input +5.0 V to +18.0 V Power Supply for the op-amps
VA - J5 Input +5.0 V Power Supply for VA
VD - J3 Input +3.3 V to +5.0 V Variable Power Supply for VD
VL - J2 Input +3.3 V to +5.0 V Variable Power Supply for VL
GND - J4 Input Ground Reference
RX-COAX - J25 Input Digital audio input via coaxial cable
RX-OPT - OPT1 Input Digital audio input via optical cable
TX-COAX - J12 Output CS8406 digital audio output via coaxial cable
TX-OPT - J18 Output CS8406 digital audio output via optical cable
PC Port - J31 Input/Output
Parallel connection to PC for SPI / I
2
C control port signals and sys-
tem configuration
PCM HEADER - J26 Input/Output I/O for Clocks & Data
8416 SDOUT - J24 Output CS8416 serial data output (SDOUT)
8406 SDIN - J17 Input External data source for CS8406 SDIN
EXT CTRL I/O Input/Output
I/O for external SPI / I
2
C control port signals (J32) and control signal
header in/out selection (J34)
AINL - J29
AINR - J27
Input RCA phono jacks for analog input signal to CS4271
AOUTL - J23
AOUTR - J16
Output RCA phono jacks for analog outputs
Table 1. System Connections