Based on ARM® Cortex™-M4 processor core, FM4 series includes 84 MCUs in MB9B560R/460R/360R/160R series that operate from 3–5 V supplies and offer SRAM, NOR flash, NAND flash, and SDRAM memory options. Ultra-wide bus for onboard flash memory enables read access with no CPU wait state, while integrated DSP and FPU functions provide power for advanced computations. Current required when running RTC mode can be limited to ~1.5 µA, and devices support 100,000 rewrite cycles.
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