STM32F4的资料大部分都在这里：
http://www.stmcu.org/download/index.php?act=ziliao&id=150
根据个人的理解对这些资料作了一些规律，后期可能会增加一些个人的思维导图以增强理解。
STM32F4-Discovery开发套件相关资料：
索引：UM1472 User Manual
标题：STM32F4DISCOVERY STM32F4 high-performance discovery board
文档说明：STM32F4-DISCOVERY开发板资源介绍与使用说明
链接：http://www.stmcu.org/download/index.php?act=down&id=3081
索引：UM1467 User Manual
标题：Getting started with software and firmware environments for the STM32F4DISCOVERY Kit
文档说明：文档第一句话就很好地说明了一切:-) This document describes the software, firmware environment and development recommendations required to build an application around the STM32F4DISCOVERY board.
链接：http://www.stmcu.org/download/index.php?act=down&id=4906
索引：AN3983 Application Note
标题：STM32F4DISCOVERY peripheral firmware examples
文档说明：STM32F4-DISCOVERY开发板外设例程Demo
链接：http://www.stmcu.org/download/index.php?act=down&id=4904
索引：AN3990 Application Note
标题：Upgrading STM32F4DISCOVERY board firmware using a USB key
文档说明：使用USB KEY对STM32F4-DISCOVERY进行固件升级，即通过IAP编程方式，从U盘中读取程序下载到STM32F4中。
链接：http://www.stmcu.org/download/index.php?act=down&id=3069
索引：AN3997 Application Note
标题：Audio playback and recording using the STM32F4DISCOVERY
文档说明：用STM32F4-Discovery做一个录音回放设备
链接：http://www.stmcu.org/download/index.php?act=down&id=3068
STM32F4 MCU相关资料：
索引：PM0214 Programming Manual
标题：STM32F3xxx and STM32F4xxx Cortex-M4 programming manual
文档说明：STM32F4编程手册。This programming manual provides information for application and system-level software developers. It gives a full description of the STM32F3xxx and F4xxx CortexTM-M4 processor programming model, instruction set and core peripherals.
链接：http://www.st.com/web/en/resource/technical/document/programming_manual/DM00046982.pdf
推荐指数：★★★★★
索引：RM0090 Reference Manual
标题：STM32F40x Reference Manual
文档说明：典型的讲STM32F40x MCU的Datasheet。
链接：http://www.st.com/web/en/resource/technical/document/reference_manual/DM00031020.pdf
推荐指数：★★★★★
标题：STM32F405xx STM32F407xx Datasheet--Production data
文档说明：This datasheet provides the description of the STM32F405xx and STM32F407xx lines of
microcontrollers。即具体讲述405xx和407xx不同型号后缀的产品的具体配置。
链接：http://www.stmcu.org/download/index.php?act=down&id=4654
ARM内核以及架构相关资料：
标题：Cortex-M4技术参考手册
文档说明：讲Cortex-M4内核架构的
链接：http://infocenter.arm.com/help/topic/com.arm.doc.ddi0439c/DDI0439C_cortex_m4_r0p1_trm.pdf
推荐指数：★★★★
标题：ARMv7-M Architecture Reference Manual
文档说明：介绍符合 ARMv7（M 配置文件）标准的处理器的指令集、内存模型和程序员模型
链接：http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0403c/index.html
再强烈推荐一本书：《Cortex-M3权威指南》个人非常喜欢译者的风格
STM32F4 MCU外设模块以及相关应用笔记：
索引：PM0081 Programming Manual
标题：STM32F40xxx and STM32F41xxx Flash programming manual
文档说明：即In Application Programming。This programming manual describes how to program the Flash memory of STM32F405xx,STM32F407xx, STM32F415xx, and STM32F417xx microcontrollers. For convenience,these will be referred to as STM32F40x and STM32F41x, throughout the document unless otherwise specified.
链接：http://www.st.com/web/en/resource/technical/document/programming_manual/DM00023388.pdf
索引：AN2606 Application Note
标题：STM32? microcontroller system memory boot mode
文档说明：如题，即介绍STM32系统启动模式，与启动引导相关的还有：
AN3965，AN3155，AN3968
链接：http://www.stmcu.org/download/index.php?act=down&id=4568
索引：AN3988 Application Note
标题：Clock configuration tool for STM32F40x/41x microcontrollers
文档说明：如题，配置F4时钟的
链接：http://www.stmcu.org/download/index.php?act=down&id=3059
索引：AN4013 Application Note
标题：STM32F1xx, STM32F2xx, STM32F4xx, STM32L1xx timer overview
文档说明：介绍定时器的
链接：http://www.stmcu.org/download/index.php?act=down&id=4760
索引：AN4044 Application Note
标题：Using floating-point unit (FPU) with STM32F405/07xx and STM32F415/417xx microcontrollers
文档说明：如题，介绍F4上面FPU的
链接：http://www.stmcu.org/download/index.php?act=down&id=4919
STM32中国，优酷站点
http://i.youku.com/u/id_UNTM5NTAyMTky