Analog Devices SHARC ADSP-214 Series Hardware Reference Manual page 337

6. Processing moves to the next channel and repeats the procedure. If
the soft filter length is more than the hard filter length, multiple
iterations are done to process the window.
Figure 6-6. Single Channel Filtering Flow
ADSP-214xx SHARC Processor Hardware Reference
www.BDTIC.com/ADI
Load I, M, B, L registers for
coefficient and data I/O
Load coefficients into
coefficient memory
Preload delay line
from internal memory
Compute result and store
in internal memory
Window
over?
YES
Last
NO
iteration?
YES
Update index register
values of TCB in
internal memory
To next channel
processing
FFT/FIR/IIR Hardware Modules
Fetch next data
NO
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