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2013年02月文档ID018909第4版1/1284RM0090参考手册STM32F40xxx、STM32F41xxx、STM32F42xxx、STM32F43xxx基于ARM内核的32位高级MCU前言本参考手册面向应用开发人员，提供有关使用STM32F405xx/07xx、STM32F415xx/17xx、STM32F42xxx和STM32F43xxx微控制器存储器与外设的完整信息。STM32F405xx/07xx、STM32F415xx/17xx、STM32F42xxx和STM32F43xxx构成一个微控制器系列，各产品具有不同的存储器大小、封装和外设。有关订购信息以及器件的机械与电气特性，请参见数据手册。有关ARMCortex™-M4F内核的信息，请参见《Cortex™-M4F技术参考手册》。相关文档意法半导体网站(http://www.st.com)提供以下文档：■STM32F40x和STM32F41x数据手册■STM32F42x和STM32F43x产品简介■有关带FPU的ARMCortex™-M4内核的信息，请参见《STM32F3xx/F4xxxCortex™-M4编程手册》(PM0214)。表1.适用产品产品系列料号和产品类别微控制器STM32F405xx、STM32F407xx、STM32F415xx、STM32F417xx、STM32F427xx、STM32F437xxwww.st.com目录RM00902/1284文档ID018909第4版目录1文档约定..................................................471.1寄存器相关缩写词列表.......................................471.2词汇表...................................................481.3外设可用性................................................482存储器和总线架构...........................................492.1系统架构..................................................492.1.1S0：I总线...............................................512.1.2S1：D总线..............................................512.1.3S2：S总线..............................................512.1.4S3、S4：DMA存储器总线..................................512.1.5S5：DMA外设总线........................................512.1.6S6：以太网DMA总线......................................512.1.7S7：USBOTGHSDMA总线................................512.1.8总线矩阵................................................512.1.9AHB/APB总线桥(APB).....................................512.2存储器组织结构............................................522.3存储器映射................................................522.3.1嵌入式SRAM.............................................552.3.2Flash概述...............................................552.3.3位段....................................................552.4自举配置..................................................563嵌入式Flash接口...........................................583.1前言.....................................................583.2主要特性..................................................583.3嵌入式Flash...............................................593.4读接口...................................................603.4.1CPU时钟频率与Flash读取时间之间的关系.....................603.4.2自适应实时存储器加速器(ARTAccelerator™)...................623.5擦除和编程操作............................................643.5.1Flash控制寄存器解锁......................................643.5.2编程/擦除并行位数........................................64文档ID018909第4版3/1284RM0090目录323.5.3擦除....................................................653.5.4编程....................................................663.5.5中断....................................................663.6选项字节..................................................673.6.1关于用户选项字节的说明....................................673.6.2用户选项字节编程.........................................693.6.3读保护(RDP).............................................703.6.4写保护..............................