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ARM Cortex M4 Core 32 bit 256 kB 120 MHz 100 I/O 1 MB ARM Microcontrollers - MCU Datasheets – Mouser
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Two more low-cost dev boards based on the ARM Cortex-M4 with 1Mbyte of Flash, 192Kbytes of RAM: $15.57 and up | EDA360 Insider
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N32G452CCL7 N32G452VEL7 N32G452RCL7 LQFP 48 64 100 ARM Cortex-M4 144MHz Flash: 512KB RAM: 144KB MCU (MCU/MPU/SOC) IC Chip _ - AliExpress Mobile
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STMicroelectronics Reveals First Multi-Core STM32MP1 Microprocessor with Linux Support - Hackster.io
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GD32E103TBU6 Package QFN-36 ARM Cortex-M4 120MHz Flash Memory: 128KB RAM: 32KB MCU Without CAN Function (MCU/MPU/SOC) _ - AliExpress Mobile
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