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The SH7280 Series incorporates an SH-2A CPU core which is fully upwardly-compatible with the SH-1 and SH-2. The SH-2A CPU core employs a superscalar architecture enabling simultaneous execution of two instructions, a significant increase in performance compared with the SH-1 and SH-2. The SH7280 series supports new instructions including transfer instruction, arithmetic instruction and bit operation instruction. The SH7280 series also incorporates register banks. When an interrupt occurs, CPU internal register information is stored in registers at high speed. This makes it possible to improve real-time control performance greatly.
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