On Semi has introduced a Bluetooth wireless microcontroller, which has topped the charts on two of EEMBC’s benchmarks. Dubbed RSL15, it has Arm’s secured Cortex-M33 processor running at 48MHz, plus Bluetooth Low Energy 5.2 wireless. “RSL15 was certified by the Embedded Microprocessor Benchmark Consortium,” said On Semi. “The ULPMark CoreMark measures the energy efficiency of microcontrollers ...

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