To run any operation on this sector, the option lock bit (OPTLOCK) inthe Flash option control register (FLASH_OPTCR) must be cleared. Tobe allowed to clear this bit, you have to perform the followingsequence: 1. Write OPTKEY1 = 0x0819 2A3B in the Flash option key register(FLASH_OPTKEY...
Programmingmanual STM32F10xxxFlashprogramming Introduction ThisprogrammingmanualdescribeshowtoprogramtheFlashmemoryofSTM32F101xx, STM32F102xx,STM32F103xx,STM32F105xxandSTM32F107xxmicrocontrollers.For convenience,thesewillbereferredtoasSTM32F10xxxintherestofthisdocumentunless ...
1、在Flash 密钥寄存器(FLASH_KEYR) 中写入KEY1 = 0x45670123 2、在Flash 密钥寄存器(FLASH_KEYR) 中写入KEY2 = 0xCDEF89AB 将FLASH_CR 寄存器中的LOCK 位置为1 后,可通过软件再次锁定FLASH_CR 寄存器 ST提供了库函数 FLASH_Unlock();//解锁FLASH_Lock();//重新上锁 备注: 当FLASH_SR 寄存器中的BSY ...
if((Address < ADDR_FLASH_SECTOR_1) && (Address >= ADDR_FLASH_SECTOR_0)) { sector = FLASH_Sector_0; } else if((Address < ADDR_FLASH_SECTOR_2) && (Address >= ADDR_FLASH_SECTOR_1)) { sector = FLASH_Sector_1; } else if((Address < ADDR_FLASH_SECTOR_3) && (Address >= ADDR_...
有关JTAG和SWD协议,请参考Cortex M3 Technical Reference Manual。 选择字节:存放在闪存中的产品配置位。 字(Word):32位长的数据或指令 半字(Half Word):16位长的数据或指令 字节(Byte):8位长的数据或指令 FPEC(FLASH Program/Erase controller 闪存编程/擦除控制器):对内置闪存的写操作是由一 个内嵌...
本文将根据ST官方Flashprogramming manual,文档编号:PM0059,讲解STM32F207内部Flash编程。 01、概述 这里的flash是指STM32F207内部集成的Flash Flash存储器有以下特点 最大1M字节的能力 128位,也就是16字节宽度的数据读取 字节,半字,字和双字写入 扇区擦除和批量擦除 ...
STM32F10xxx闪存编程手册.pdf,PM0042 Programming manual STM32F10xxx Flash programming Introduction This programming manual describes how to program the Flash memory of STM32F101xx, STM32F102xx, STM32F103xx, STM32F105xx and STM32F107xx microcontrollers. For
STM32F4Discovery开发帮使用的STM32F407VGT6芯片,内部FLASH有1M之多。平时写的代码,烧写完之后还有大量的剩余。有效利用这剩余的FLASH能存储不少数据。因此研究了一下STM32F4读写内部FLASH的一些操作。 【STM32F4 内部Flash的一些信息】 STM32
PM0081 Programming manual STM32F40xxx and STM32F41xxx Flash programming manual Introduction This programming manual describes how to program the Flash PM0081 Programming manual STM32F40xxx and STM32F41xxx Flash programming manual Introduction This programming manual describes how to program the Flash ...
View and download STM32 programming manual (156 Pages), STM32 Microcontroller, MCU IC STM32F103 Cortex, Flash 64KB, RAM 20KB, ADC 12Bit x 10, Timer 16Bit x 4, 24Bit down Counter, SPI x 2 STM32 programming manual download.