Enhancements Over The Dsp56000; Instruction Set Enhancements; Table 1-1 New Instructions In Dsp56300 And - Motorola DSP56600 Manual

The first members of DSP chips that use the DSP56600 core are the
DSP56602 and the DSP56603. The main differences between these
derivatives are the size of the on-chip memory and the types of
on-chip peripherals.
1.3

ENHANCEMENTS OVER THE DSP56000

The DSP56300 and the DSP56600 include many architectural
enhancements over the older generation 24-bit DSP family, the
DSP56000. The following tables shortly describe these
enhancements.
1.3.1

Instruction Set Enhancements

Many instructions were added in order to support the target
applications of the new DSP cores:
Table 1-1 New Instructions in DSP56300 and DSP56600
Opcodes
MAX Transfer by Signed Value
MAXM Transfer by Magnitude
INSERT INSERT Bit Field
EXTRACT Extract Bit Field
EXTRACTU Extract Unsigned Bit Field
MERGE Merge Two Half Words
CLB Count Leading Bits
NORMF Fast Accumulator
Normalize
CMPU Compare Unsigned
Multibit Arithmetic and Logical
Shifts Shifts
MOTOROLA Optimizing DSP56300/DSP56600 Applications
Opcodes
DSP56300?
Enhancements over the DSP56000
Exist in Exist in
DSP56600?
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Introduction
1-3