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ΪʲôSTҲҪMPUΪʲô볡ôԾԿã

http://www.ec.hc360.com2019121317:57 ԴйT|T

    STM32ϵMCUͨ΢ȽĵλΪλҪƳMPUϵеIJƷSTM32MP1?һ棬ɲͬӦóġʹƩLinuxRTչuCLinuxϵͳڣܶӦԱҪһMPUһ棬ṩ߶ȼݵMCUMPUƷôûɵؽƷƽǨƣϴ޶ʹ룬ڳʱڻȡϼѵͶʻر

    ĵһеMPU̶ȷģҺܶƷڹܼ۸ҲķdzˡڶôʵֵģΪ漰̵IJƷսԣܶгеMPUƷϳǵΪһƷ/Ʒй滮ģԺ߶ȵMPUMPUƷļԡSTƺΨһⷽõij̣STҲһԿMP1ȻSTM32еģӲںˣṩ˸߶ȵļԡҲΪμʹһMPUгSTȻʮԭ

    MCUMPUʲô?

    MCUMPUdzԣMCUʹƬǶʽ洢ִгַʽ洢ζMCUʱdẓҿԷdzٵִд룬ֿڴռ޵ġMPUûͬڴԼʹⲿ洢ṩݴ洢ͨ洢NAND֮ķʧԴ洢УʱصⲿDRAMУȻʼִСζMPUٶȲMCU죬ǿӵDRAMԸߴXǧMһǹġͨǶԼĵԴMCUֻҪһѹԴ졣֮£MPUںˣDDRҪͬĵѹ졣ԱҪͨϸӵPMICһҪ

2

    ѡľʲô?

    ڸԼǶʽӦýмƽ̨ѡʱжҪǵҪѡMCUMPUһԿǷҪһЩͼνĽUIĸӳ̶ôġMPUͨTFTLCDԸʺϽʾĽĴȻǺܶTFTLCDҲMCUнãڴСЩʾӦһ㶼ȷõģԲܹնûԤһЩչĿɲĿռ䣬ЩTFTLCDMCUҪȡMPUгΪͳʽ͵ʽLCDʾ飬IJTFTʾӦϻҪMPU

    ڶǿǵһЩٵMPUϺҵǧڡUSBڵȸͨΧṩ㹻ŵʹȻMCUҲԽкܶͨŵĹҪעʹõջʱڴռӰ죬ijЩҪOSĶջĸӦҪMPUϵͳ

    ҪӦõȷ/ʵʱԡΪMCUڲǶʽ棬ʵʱԷṩ֤MPUҪⲿмҪһʱ䣬LinuxϵͳʱʱҲȽ϶࣬ʺӦһЩȷijСܵȻMCUMPU໥ŸȷӦó

    ˫A7+M4ʵָЧܹ

    ڽձٿķУⷨ뵼΢ҵSTM32΢ƷгSylvainRAYNAUDʾSTM32MP1ΪûṩЧļܹĿǰƳͺУͺṩ˫A7+M4ļܹϵͳɱͺṩA7+M4ļܹݳƣIJ˰ȫĻͨŵķʽ󲿷趼ͬһϣĿԸݸԵ衣

2

    STM32MP1ڲCortex-AĿ֧3DͼδϸϵͳʱӿԴﵽ533MHzͬʱ֧OpenGLES2.0Cortex-M4һ448kBרRAMͨMCUһCortex-M4RAMִпȷִеʵʱԺͿɿԡSTM32MP1ͬʱӦãһǸٴӿڣA7+Linuxɣʾ֧֣һ24λRGBϸߴﵽ60fps;һMIPIDSI2LaneLinuxпԴﵽ720PʾDDR洢֧DDR3/DDR3LLPDDR2/LPDDR3ϵͳƵɴﵽ533MHzⲿٽӿһ䵽A7ϣ֧GMAC̫USB2.0HSPHYʵʱCortex-M4ɣʵʱsenseв͵͹ݲɼϵͳdzΪں˿ԸӦлģʽʵϵͳϼŻ

    ܲ

    STM32MP1ȫģʽʱCortex-A7ֿܷԴﵽ2470DMIPSͬʱ˫Cortex-A7+3DGPUǴ򿪵ġCortex-M4ϸܵ209MIPSֿԴﵽ260MIPS;ЧϴCortex-A7˴ֻCortex-M4ܵʱ򣬹ģʽķ֮һSTM32MP1ģʽʱĽǰһģʽ1/2500STΪSTM32MP1ṩȫģʽŻģʽģʽֲͬģʽûŻƹģƽƵܺ͹ġӴģʽصȫһҪĹؼأǻʱ䡣STM32MP1ֻ1صLinux棬ֻҪ3ص3DͼӦý档1صLinuxҵˮƽҵ̵;ͼεĴС3ص3Dͼνʱ仹Աø̡

2

2

2

    걸Ŀ̬

    STM32̬ϵͳSTM32MP1ϣSTҲṩ걸ӲͿͻ֧֡

2

    STM32ṩOpenSTLinuxA7ֵĿ֤ϵͳȶԡĿǰSTM32MP1SoCѱLinuxúϿɣSTSTM32MP1֧Linux4.19LTS⣬STȫݰLinuxFoundationYoctoProjectڵĿԴı׼STYoctoһProjectȷûȶʹͬʱSTҲ֧Linaroṩ˲οѵϡָһǣSTṩԤɰȫϵͳOP-TEEûȥԼѰҰȫķգȫҲûijɱM4֣ö˵ˣûظʹ֮ǰSTM32CubeӦá

2

    ߷棬ĿǰʹCubeMXac6KEILIARȹ߽еԺͿδܻͨCubeIDEȡac6ʵA7ֵı̵ԹȻӲ棬ͬMP1Ҳevaldiscovery壬⻹вٵĿSoMMP1ṩnucleo汾İӳ

    Ϊʲô볡MP1Ȼǿ?

2

    ¿ͷἰģSTΪSTM32MCUĸȻڴ˻ƳMP1Ժܺõذûƽ̨ϽƵǨƣʡܶٿʱ䡣ͬʱԶΪͻṩͶرȡԷͷϾרMPUi.MXϵһЩ̽Ĺɱ͵MCUˮƽṩMPUһĸܵĿ紦ɷϵܼ۸һƣiMXRTϵоûMPUûǨƵRTM7+M4ƽ̨ʱȻкܶؿĹ

    STûΪԴMPUûǶԣʵʱƵM4߻úܶԴ֧֡MPUMCUĻûSTṩĿ߹ЧʣʱΪӦ֡ڴMCUûҪƵMPUƽ̨ⲿ˵ѡMP1ӦǷdzõѡ

    һֱSTSTM32ĸ·һֱȴ򣬵ȵӪҲȡ˸Ԥڵۺܶ뵼峧ܵ˴󻷾Ӱ죬Ӫմµѡһȶƽ̨ڿͻҲǷdzҪһ㡣

    STΪMP1ṩ׵MPICSTPMIC1ڴĿǰѾкܶĵSoMͿ

2

    ͼOCTAVOƳMP15X

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