C.1
INTRODUCTION
Several examples illustrating the use of the DSP in common audio applications are
presented in this section. The examples assume that the DSP is in the SRAM mode
and configured for 0 wait states, 24-bit words, and an 8-bit bus (12 clock
cycles-per-word transfer).
C.2
TYPICAL SYSTEM TOPOLOGY
Figure C-1 shows the topology of a typical DSP audio application.
2
I
S/SONY
Stereo A/D
2
I
S/SONY
Stereo A/D
Figure C-1 Topology of DSP Typical Audio Application
MOTOROLA
SRAM/
DRAM
MA17:0
MD7:0
REC0
CONSUMER
AUDIO DSP
REC1
GPIO
SHI
EXTAL
HOST
PROCESSOR
DSP56009 User's Manual
Stereo D/A
2
I
S/SONY
TR0
2
I
S/SONY
Stereo D/A
TR1
TR2
2
I
S/SONY
Stereo D/A
External Sinusoidal Clock Source
Application Examples
Left front
Right front
Left rear
Right rear
Left effects
Right effects
AA0259k
C-3