Table 2. System Connections; Table 3. Mclk Multiplexer Settings - Cirrus Logic Crystal CDB4228A Manual

CONNECTOR
+5V
+12V, -12V
GND
J9, SPDIF IN
U9, SPDIF IN
LEFT
RIGHT
DAC1 - DAC6
J7, SPDIF OUT
U5, SPDIF OUT
Parallel Port
EXT CTRL
DAP
PGM
DS511DB1
INPUT/OUTPUT
Input + 5 Volt power
Input + 12/-12V Volt power for the op-amps
Input Ground connection from power supply
Input Digital audio interface input via coax
Input Digital audio interface input via optical
Input Analog audio input, 2V RMS (5.65Vp-p) full scale
Input Analog audio input, 2V RMS (5.65Vp-p) full scale
Output Analog audio output, 2V RMS (5.65Vp-p) full scale
Output Digital audio interface output via coax
Output Digital audio interface output via optical
Input/Output
Parallel connection to PC for two wire
Input/Output
I/O for two wire
Input/Output I/O for serial audio clocks and data
Input/Output Programming header for PLD

Table 2. System Connections

MCLK-SEL MCLK Source
[2..0]
0 Oscillator
1 Oscillator
2 S/PDIF Receiver
3 S/PDIF Receiver
4 DAP
5 None
6 None
7 None

Table 3. MCLK Multiplexer Settings

SIGNAL PRESENT
®
®
or SPI control port signals
DAP
MCLK DIR
OFF
Output
OFF
Output
Input
OFF
OFF
OFF
CDB4228A
or SPI control port signals
7