目录
目 录
1 简介............................................................................................................................................................................. 1
2 产品概述..................................................................................................................................................................... 2
2.1 产品特性 ......................................................................................................................................................... 2
2.2 器件一览表..................................................................................................................................................... 5
3 功能介绍..................................................................................................................................................................... 7
3.1 结构框图 ......................................................................................................................................................... 7
3.2 存储器映射..................................................................................................................................................... 8
3.3 存储器 ............................................................................................................................................................. 8
3.3.1 Flash...................................................................................................................................................... 8
3.3.2 内置 SRAM........................................................................................................................................... 8
3.4 CRC 计算单元.................................................................................................................................................. 8
3.5 供电方案 ......................................................................................................................................................... 9
3.6 电源监控器..................................................................................................................................................... 9
3.7 Boot 模式 ........................................................................................................................................................ 9
3.8 低功耗模式..................................................................................................................................................... 9
3.9 复位.................................................................................................................................................................. 9
3.9.1 系统复位.............................................................................................................................................. 9
3.9.2 电源复位............................................................................................................................................ 10
3.10 时钟和时钟树............................................................................................................................................. 11
3.11 中断与事件................................................................................................................................................. 11
3.11.1 NVIC.................................................................................................................................................. 11
3.11.2 EXTI................................................................................................................................................... 13
3.12 GPIO ............................................................................................................................................................. 14
3.13 SYSCFG ......................................................................................................................................................... 14
3.14 DMA ............................................................................................................................................................. 14
3.15 电压比较器(COMP).............................................................................................................................. 14
3.16 运算放大器(OPAMP)............................................................................................................................ 15
3.17 除法和开方计算单元(DVSQ) .............................................................................................................. 15
3.18 电机加速单元(EMACC)........................................................................................................................ 15
3.19 定时器 ......................................................................................................................................................... 15
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