Even if it is used, it is always in dual core chips. Cortex-M4 was introduced with DSP and was projected as a low cost replacement for R4. Going forward there is every possibility that R series might ...

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ArcelorMittal SA’s plans to shut down a century-old steel mill in South Africa are holding President Cyril Ramaphosa’s dream of fostering a $257 billion (R4.8-trillion) infrastructure boom to ransom.