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STM32,(,350116):STM32F103RBT6,GPRS,RS-232,,,,,,。,,,。:;SIM900A;STM32:TN927.22:A:1673-4343(2015)06-0065-05DesignofTransponderofBeidouSatelliteSMSBasedonSTM32SHIYong-xiang,YEYu-huang(CollegeofPhysicsandInformationEngineering,FuzhouUniversity,Fuzhou350116,China)Abstract:TheSTM32F103RBT6microprocessorandcompassmodule,GPRSmodule,RS-232interfacemodule,pow-ermoduleareusedtocompletethedesignoftransponderofBeidouSatelliteSMS,andaprototypeismade.ItimplementsBeidoucommunication,positioning,timing,what’smore,theBeidoushortmessageandmobilephonetextmessagessuc-ceedtosendeachother.Theproductissafe,reliableandpractical,operatessimply,andiscurrentlyinthetrialstage.Keywords:BeidouSatelliteSMS;SIM900A;STM32:2015-09-08:,,,。:。:,,,。:。“”,、。“”,、、、、、。“”,[1]。,。GPS,。,,。。1ARMSTM32F103RBT6,,GPRS,RS-232,。,STM32F103RBT6,,,,GPRS,RS-232,,,,doi:10.14098/j.cn35-1288/z.2015.06.014201512326JOURNALOFSANMINGUNIVERSITYDec.2015Vol.32No.6。1。122.1STM32F103RBT6,。128KFLSSH、20KSRAM、2SPI、3、1USB、1CAN、212ADC,RTC、51IO[2],。,PCI4、PCI532.768kHz10pFRC(LSE),RTC。OSC_INOSC_OUT8MHZ22pFRC(HSE),IO。STM32F10,3BOOT[1:0],1。STM32,BOOT00,BOOT1。SWD,BOOT,BOOT1BOOT0100K。SWD2(SWCLKSWDIO),,,,PCB。2.2,,。FB3511,RDSS、、。RNSS&GPS,RDSS&GPS&RNSS。、、RDSS、RNSS/GPS,、,。FB0504,,,。FB3511+FB0504,,。RDSS3,1BOOTBOOT1X01BOOT0011BOOOT,,SRAM,32-66-,78.5B[3]。DF9-25P-1VFB3511,25,,,。,/。,[4]。:(1):RXD0,TXD0,RXD1,TXD1。,,,,。3.3VTTL,115200。(2)SIM:IC_SRST,IC_SD,IC_SCLK。FB3511,SIM。(3):12V5,5V4,7。PA11V~13.6V,2.5A,DF90.5A,5。(4)21PPS。1PPS,LED。2.3GPRSGPRSSIM900A[5],,,GPRS,,,SIM。3.7~4.2V,5V1N4007,LVTTL。4,VCC、GND、TXD、RXD4,。2.4:PA11~13.6V,2.5A,300ms;,SIM900A5V,;STM32,MAX3232,LED3.3V,。TPS5450DC-DCPWM,NMOS,2STM32F103RBT6,:STM326-67-,。,5.5~36V,12V5A。12V,5V。PA12V,125VDCDC,5V。TPS79333LDO3.3V,DCDC-3.3V,,,。3FDBD35114GPRS53STM32F103RBT6,3,。,,DB9,RS-232,3。3CPU,CPU,。,,CPU,,1;,2。32-68-。,CPU,,6。PC7,,,,。67PC,,SIM。:@@。。SIM,:@@,,。SIM,,,,。4STM32F103RBT6,GPRS,RS-232,,,,,,,。,,,。:[1]“”———[J].,2012(5):12-16.[2]STCompany.AN2586Applicationnote[DB/OL].[2015-1-7][3].[J].,2012,40(3):340-344.[4]HRSCompany.1mmPitchSMTboardtoboardconnector(StandardinterfaceconnectorcompliantwithVESAFPDI-1)[DB/OL].[2015-03-06][5],,,.GSM[J].,2013,36(6):121-124.(:),:STM326-69-
本文标题:基于STM32的北斗短报文转发器设计
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