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1、STSTM32F779xx系列32位ARMMCU开发方案时间：2016-06-2110:07:15 作者：ST 来源：中电网ST公司的STM32F777xx,STM32F778Ax和STM32F779xx系列是基于工作频率高达216MHz的高性能ARM®Cortex®-M732位RISC核,集成多达2MB闪存,512KBSRAM,16KBTCMRAM,4KB备份SRAM和各种外设,主要用在马达驱动和工业控制,医疗电子,家用音频设备,可穿戴智能手表,PLC,逆变器和电路中断器,打印机和扫描仪,告警系统,视频连接和HVAC,移动应用和物联网(IoT).本文介绍了
2、STM32F779xx系列主要特性,框图,评估板STM32F779I-EVAL主要特性,框图,电路图,材料清单和PCVB元件布局图.TheSTM32F777xx,STM32F778AxandSTM32F779xxdevicesarebasedonthehigh-performanceARM®Cortex®-M732-bitRISCcoreoperatingatupto216MHzfrequency.TheCortex®-M7corefeaturesafloatingpointunit(FPU)whichsupportsARM®double-precisionandsingle-
3、precisiondata-processinginstructionsanddatatypes.ItalsoimplementsafullsetofDSPinstructionsandamemoryprotectionunit(MPU)whichenhancestheapplicationsecurity.TheSTM32F777xx,STM32F778AxandSTM32F779xxdevicesincorporatehigh-speedembeddedmemorieswithaFlashmemoryupto2Mbytes,512KbytesofSRAM(including
4、128KbytesofDataTCMRAMforcriticalreal-timedata),16KbytesofinstructionTCMRAM(forcriticalreal-timeroutines),4KbytesofbackupSRAMavailableinthelowestpowermodes,andanextensiverangeofenhancedI/OsandperipheralsconnectedtotwoAPBbuses,twoAHBbuses,a32-bitmulti-AHBbusmatrixandamultilayerAXIinterconnects
5、upportinginternalandexternalmemoriesaccess.Allthedevicesofferthree12-bitADCs,twoDACs,alow-powerRTC,twelvegeneral-purpose16-bittimersincludingtwoPWMtimersformotorcontrol,twogeneral-purpose32-bittimers,atruerandomnumbergenerator(RNG),andacryptographicaccelerationcell.Theyalsofeaturestandardand
6、advancedcommunicationinterfaces. •UptofourI2Cs •SixSPIs,threeI2Ssinhalf-duplexmode.Toachieveaudioclassaccuracy,theI2SperipheralscanbeclockedviaadedicatedinternalaudioPLLorviaanexternalclocktoallowsynchronization. •FourUSARTsplusfourUARTs •AnUSBOTGfull-speedandaUSBOTGhigh-speedwithfull-speedc
7、apability(withtheULPI) •ThreeCANs •TwoSAIserialaudiointerfaces •TwoSDMMChostinterfaces •Ethernetandcamerainterfaces •LCD-TFTdisplaycontroller •Chrom-ARTAccelerator™ •SPDIFRXinterface •HDMI-CECAdvancedperipheralsincludetwoSDMMCinterfaces,aflexibleme
