STM32 科普
2016-12-07 本文已影响0人
Alex_Lin
[TOC]
命名规范
以stm32f103c8t7xx为例子
命名规范| Device | description |
| ------------- |
| STM32 |基于ARM?的32位微控制器产品类型。 |
| F |通用类型产品子系列 |
|Device subfamily|101 = 基本型 102 = USB基本型 103 = 增强型 105/107 = 互联型|
|Pin count| T=36 C=48 R=64 V=100 Z=144|
|Flash Size|6=32 8=64 B=128 C=256 D=384 E=512 |
|Package|H = BGA T = LQFP U = VFQFPN Y = WLCSP64|
STM32 产品类型和启动文件的选择
- startup_stm32f10x_ld_vl.s: for STM32 Low density Value line devices
- startup_stm32f10x_ld.s: for STM32 Low density devices
- startup_stm32f10x_md_vl.s: for STM32 Medium density Value line devices
- startup_stm32f10x_md.s: for STM32 Medium density devices
- startup_stm32f10x_hd.s: for STM32 High density devices
- startup_stm32f10x_xl.s: for STM32 XL density devices
- startup_stm32f10x_cl.s: for STM32 Connectivity line devices
cl:互联型产品,stm32f105/107系列
vl:超值型产品,stm32f100系列
xl:超高密度产品,stm32f101/103系列
ld:低密度产品,FLASH小于64K
md:中等密度产品,FLASH=64 or 128
hd:高密度产品,FLASH大于128
STM32 Flash 页面大小划分
STM32有4种Flash module organization,分别是:
- low-density devices(32KB,1KB/page)
- medium-density devices(128KB,1KB/page)
- high-density devices(512KB,2KB/page)
- connectivity line devices(256KB,2KB/page)
- XL-density(devices(1M,2KB/page)