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SH-3 instructions are upwardly-compatible with those of SH-1 and SH-2. In
addition, SH-3 DSP has extended instructions for DSP.
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SH-3/SH3-DSP has on-chip MMU and supports a wide variety of operating systems.
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SH-3/SH3-DSP has large capacity cache which stores low speed external memory
data, realizing highly efficient processing without having to wait for the
high-speed CPU core.
・Mixed Instruction/Data Type
・4-way set-Associative
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SH-3/SH3-DSP has 3 bus structures which make it possible to simultaneously
access both data and programs. In addition, multiply and accumulation are
executed with one clock.
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Americas
