SCI串口模块第4课 2812的片内资源、存储器映射以及CMD文件的编写第5课 中断系统的理解第6课 时钟和系统控制第7课 EV第8课 AD及其校正第9课 SCI串口模块第10课 串行外设接口SPI-SCI serial module Lesson 4 2812 on-chip resources, memory map and the CMD file system write interrupt Lesson 5 Lesson 6 understanding of the system clock and control EV Lesson 7 Lesson 8 Lesson 9 AD and its correction SCI serial port module Lesson 10 Serial Peripheral Interface (SPI)