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【硬件工程师面经整理 26_其它】-CSDN 博客 By Along
目录
1 霍尔传感器原理 ........................................................................................................................................ 2
2 DMA 和中断的引发 ................................................................................................................................... 2
2.1 RS485 和 RS232 区别 ..................................................................................................................... 2
3 局域网传输介质有哪几类? .................................................................................................................... 2
4 DSP 和单片机的区别 ................................................................................................................................. 3
5 stm32 最小系统 .......................................................................................................................................... 3
5.1 stm32 为什么可以实现 ADC 采集,原理是什么 ......................................................................... 3
6 ADC 采样每一个核都会有误差,不会是一根真好的曲线,然后该怎么调整。 ................................ 4
7 AD 转换的精度由什么影响?什么样的 AD 转换速度最快? ............................................................... 4