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Features of SH-3/SH3-DSP
 
 
SH-3 instructions are upwardly-compatible with those of SH-1 and SH-2. In addition, SH-3 DSP has extended instructions for DSP.
 
 
MMU
 
SH-3/SH3-DSP has on-chip MMU and supports a wide variety of operating systems.
 
 
Cache
 
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
 
DSP
 
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.
 

SuperH Core Licensing

Technical Information WEB Magazine
RENESAS EDGE

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