Schematics And Layout; Figure 2. System Block Diagram And Signal Flow - Cirrus Logic CDB4354 Quick Start Manual

3. SCHEMATICS AND LAYOUT

Hardware Controls
Optical S/PDIF
Input
Coaxial S/PDIF
Receiver
Input
Figure 3
Direct External
Input
+5V Input, +3.3V Regulator
Figure 3
CS8416
VL Select:
Manual
5V or 3.3V
Reset
CS8416
S/PDIF Clocks &
Serial
Data
Audio
Selection
Clocks &
(Headers)
Data
Figure 3

Figure 2. System Block Diagram and Signal Flow

Power:
Figure 4
CS4354
De-emphasis
Select
Serial
Audio
Clocks &
CS4354
Data
Figure 3
Indicator LEDs

+5V power

+3.3V power

VL power

S/PDIF Error
Figure 3
AOUTA
Filter
Analog
Figure 3
Outputs
AOUTB
Filter