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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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STM32MP157AAC3 | Microcontrôleur, 32bit, 128 Ko RAM, 32 Ko, 209 (ARM Cortex M4) MHz, 650 (ARM Cortex A7) MHz, TFBGA 361, série STM32MP1 | RS
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