PIC32MX420F032H<br />MCU Core<br /><br /> 40MHz, 1.56 DMIPS/MHz, 32-bit MIPS M4K Core <br /> USB 2.0 On-The-Go Peripheral with integrated PHY<br /> Dedicated DMA Channel for USB OTG<br /> 5 Stage pipeline, Harvard architecture<br /> MIPS16e mode for up to 40% smaller code size<br /> Single cycle multiply and hardware divide unit <br /> 32 x 32-bit Core Registers<br /> 32 x 32-bit Shadow Registers<br /> Fast context switch and interrupt response<br /><br />数据手册里有单独的章节讲这块
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