目录电感和磁珠的联系与区别............................................................................................................... 4 片式磁珠和片式电感的应用场合........................................................................................... 5 贴片电容 ........................................................................................................................................... 6 贴片电阻 ........................................................................................................................................... 7 DDRSDRAM .................................................................................................................................... 8 射频 ................................................................................................................................................ 20 看门狗定时器 ................................................................................................................................. 20 DMA 直接内存访问 ...................................................................................................................... 20 DMA 工作原理 ...................................................................................................................... 21 RTC 实时时钟 ................................................................................................................................ 21 I2C 总线 .......................................................................................................................................... 21 1 I2C 总线特点 ....................................................................................................................... 22 2 I2C 总线工作原理............................................................................................................... 22 3 I2C 总线基本操作........................................................................................
