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Are the ATMEGA and STM32 programmers not universal? They are not the same. As far as I know their programming arrangements are completely distinct. What programming methods can this chip support? Traditional AVR In-Circuit-Serial-Programming (ICSP) using a 2x3 header pin connector and one of a variety of programmers such as the STK500 which has low-cost ...


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What programming methods can this chip support? Is there serial programming or SWD programming? The Arduino IDE (a free download) supports programming in C++. The IDE pre-processes your code (which they call a "sketch") slightly but it is still C++. You can drop into assembler if you absolutely must, but the C++ compiler does a good job of ...


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I got 8 ns on both the rising and falling edges. If using the PORT instruction to set and clear bits instead of the much slower digitalWrite() instruction, the highest frequency I got by toggling a pin high and low was 2.666 Mhz. This is slowed down by the excessive time the arduino takes to pass execution back to the top of the Loop() marker. The duty cycle ...


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