Microcontrollers used to be those cute little things that clock at 8 or 16 MHz, but in the last decade, Cortex-M3/M4 microcontrollers became more powerful with 100 to 200 MHz clocks being quite common. But with the introduction of Arm Cortex-M7 core about 5 years ago, microcontrollers are seriously starting to take over tasks that were previously reserved to faster microprocessors. As I remember it, the MCU frequency “race” started with STMicro STM32H7 in 2016 with an impressive 400 MHz, and NXP i.MX RT crossover processor clocked at 600 MHz a few years later. But with i.MX RT1170 microcontroller, NXP has upped the ante as the new MCU combines an Arm Cortex-M4 core clocked at 400MHz with Arm Cortex-M7 core running at an amazing one Gigahertz (1 GHz). The documentation has not been released and we have limited information, but here’s what we know about NXP i.MX RT1170 key features and specifications so far: CPU Arm Cortex-M7 @ 1 GHz …
Continue reading… “NXP i.MX RT1170 Arm Cortex-M7/M4 Microcontroller Clocks at One Gigahertz!”
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