Optiboot (an older version) is installed by default on the Arduino Uno and (as of 2018) official Arduino Nano boards. It can be installed on all older mega8, 168 or 328 based Arduinos. As of 2019, ...
内核：ARM32位Cortex-M3 CPU，最高工作频率72MHz，1.25DMIPS/MHz。单周期乘法和硬件除法。 存储器：片上集成32-512KB的Flash存储器。6 ...
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