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1、STSTM32F103xx32位开发方案关键词:工业控制,MCU,RISC,SPI,USART,USB,CAN,摘要:ST公司的STM32F103xx是32位ARMCortex™-M3RISC处理器,工作频率72MHz,集成了高速嵌入存储器(闪存多达32KB,SRAM多达6KB),各种增强I/O和连接到两条APB总线的外设.所有器件提供两个12位ADC,三个通用16位计时器和一个PWM计时器,以及标准和先进通信接口如两个I2C和SPI,三个USART,一个USB和一个CAN.STM32F103xx可用在马达驱动和控制,医疗和手持设备,PC游戏和GPS平台
2、,工业系统如PLC,逆变器,打印机和扫描仪以及告警系统,视频互连和HVAC.本文介绍了STM32F103xx主要特性,方框图,时钟树和电源电路图以及评估板STM3210E-EVAL主要特性,硬件方框图以及详细的电路图.ST公司的STM32F103xx是32位ARMCortex™-M3RISC处理器,工作频率72MHz,集成了高速嵌入存储器(闪存多达32KB,SRAM多达6KB),各种增强I/O和连接到两条APB总线的外设.所有器件提供两个12位ADC,三个通用16位计时器和一个PWM计时器,以及标准和先进通信接口如两个I2C和SPI,三个USART,一个
3、USB和一个CAN.STM32F103xx可用在马达驱动和控制,医疗和手持设备,PC游戏和GPS平台,工业系统如PLC,逆变器,打印机和扫描仪以及告警系统,视频互连和HVAC.本文介绍了STM32F103xx主要特性,方框图,时钟树和电源电路图以及评估板STM3210E-EVAL主要特性,硬件方框图以及详细的电路图.TheSTM32F103x4andSTM32F103x6performancelinefamilyincorporatesthehighperformanceARMCortex™-M332-bitRISCcoreoperatingata72M
4、Hzfrequency,highspeedembeddedmemories(Flashmemoryupto32KbytesandSRAMupto6Kbytes),andanextensiverangeofenhancedI/OsandperipheralsconnectedtotwoAPBbuses.Alldevicesoffertwo12-bitADCs,threegeneralpurpose16-bittimersplusonePWMtimer,aswellasstandardandadvancedcommunicationinterfaces:up
5、totwoI2CsandSPIs,threeUSARTs,anUSBandaCAN.TheSTM32F103xxlow-densityperformancelinefamilyoperatesfroma2.0to3.6Vpowersupply.Itisavailableinboththe–40to+85°Ctemperaturerangeandthe–40to+105°Cextendedtemperaturerange.Acomprehensivesetofpower-savingmodeallowsthedesignoflow-powerapplica
6、tions.TheSTM32F103xxlow-densityperformancelinefamilyincludesdevicesinthreedifferentpackagetypes:from36pinsto64pins.Dependingonthedevicechosen,differentsetsofperipheralsareincluded,thedescriptionbelowgivesanoverviewofthecompleterangeofperipheralsproposedinthisfamily.Thesefeaturesm
7、aketheSTM32F103xxlow-densityperformancelinemicrocontrollerfamilysuitableforawiderangeofapplications:●Motordriveandapplicationcontrol●Medicalandhandheldequipment●PCperipheralsgamingandGPSplatforms●Industrialapplications:PLC,inverters,printers,andscanners●Alarmsystems,Videointercom
8、,andHVAC图1.STM32F103xx方框图图2.STM32F103xx时