S3C2440A芯片及应用

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ElectronicDesignEngineering19Vol.1924No.24201112Dec.2011S3C2440A,,(,710077):S3C2440ACPU,、,。,。,。:S3C2440A;;YLE2440W;:TP368.1:A1674-6236(2011)24-0026-04IntroductionandapplicationofCMOSchipS3C2440AZHANGHao,YANGChun-yan,WANGXiao-yang(AirForceEngineeringUniversityTelecommunicationEngineeringInstitute,Xi’an710077,China)Abstract:S3C2440AproducedbySAMSUNGCompanyisahighperformance-to-priceratioCPUchip.Thischipisdesignedtoprovidehand-helddevicesandgeneralapplicationswithlow-power,andhigh-performancemicro-controllersolutioninsmallsize.TheinternalstructureandpinfunctionoftheS3C2440Aareintroduced,includedeachmoduleofthischip.Thetypicalapplicationisintroduced,andcorrespondingcircuitisgiveninthemeanwhile.Keywords:S3C2440A;module;YLE2440W;communicationinterface:2011-09-20:201109119:(1986—),,,。:。S3C2440A16/32RISC[1],ARM920T,0.13μmCMOS,AdvancedMicrocontrollerBusArchitecture(AMBA)。ARM920TMMU,AMBA,BUSHarvard,816kB16kB。S3C2440A,,,,,,。1S3C2440A1。S3C2440A:1.2V,1.8V/2.5V/3.3V,3.3VI/O,16kBcache(I—chche)/16kBcache(D—chche)1)(SDRAM)2)LCDDMALCD(4kSTN256KTFT)3)4DMA4)3URAT5)2SPI6)IIC()7)IIS8)AC979)1.0SD,2.11MMC10)2USB/1USB(ver1.1)11)4PWM/1/12)810ADC1Fig.1Internalstructure-26-DOI:10.14022/j.cnki.dzsjgc.2011.24.03413)RTC14)15)130I/O,2416):,,,PLLS3C2440A,NandFlash,NandFlash,,DMA,PWM,UART,ADC,,[2-5]。1.1S3C2400A,:1)();2):bank128M(1G/8banks);3):bank0(16/32),bank(8/16/32);4)8banks,6ROM,SRAMbank。2ROM,SRAM,SDRAMbank;5)7bank。bank,bank,bank;6)wait;7)SDRAM。1.2NandFlashS3C2400ANandFlash,SDRAM。S3C2400ANandFlash。NandFlashbootloader,S3C2400ASRAMsteppings-tone。,NandFlash4kbytesteppingstone,steppingstone。1.33:Clock,USB,POWER。S3C2400A,CPUFCLK,AHBHCLK,ABCPCLK,S3C2400A。S3C2400A。1.4DMA()S3C2400A4。DMA。DMACPU,DMA。1.5PWMS3C2440A516,0、1、2、3(PWM),4,0。。1.6UARTS3C2400A(UART)3I/O,DMA。UART115.2Kbps。UEXTCLKUART。UART。UART264FIFO。1.7S3C2440A60。,DMA、UART、IIC。,UARTn、AC97EINTn。1.8ADCS3C2400A10ADC(),8。10,2.5MHz500KSPS。AD。XY。ADC。1.9(RTC)。RTCSTRB/LDRBARM8CPU。、、、、、、。RTC32.768kHz,。1.10S3C2400A,。16。128PCLK。:1);2)0(),128PCLK。1.11IICS3C2400ARISCIIC,(SDA)(SCL)IIC。SDASCL。IIC,S3C2400A。S3C2400AIIC。S3C2400AIIC。1.12IISS3C2400AInter-ICSound(IIS)8/16IC,IIS,S3C2440A-27-《》2011241Tab.1PinfunctionF7,E7,B7,F8,C7,D8,E8,D7,G8,B8,A8,C8,B9,H8,E9,C9,D9G9,F9,H9,D10,C10,H10,E10,C11,G10.D11ADDR0~ADDR26R14,U17,R15,P15,T16,T17,R16,P16AIN0~AIN7H6,G3,H5,H4,H3,H7,J8,H2,G5,G7,G2,J3,J4GPJ0~GPJ12D12,E12,C11,A13,F10,F11,C13,A14,D13,B15,A17,C14D15,C15,D14,B17,C16,E15,E14,E13,E12,E16,F15,G13E17,G12,F14,F12,G11,G16,H13,F13DATA0~DATA31P12,N11,N12,U14DN0,DP0,DN1,DP1N17,M16,L13,M15,M17,L13,L14,L15GPF0~GPF7N9,T9,J10,R11,P11,K10,R11,L10,T10,M11,N10,U12,M10T11,L11,U13GPG0~GPG15H12,P17,N14,H14,G6,C5,H16,F6EXTCLK,UPLLCAP,MPLLCAPnBATTFLT,FRnB,Noe,nRESETnGCSO,D4,B5,D5,E5nBE0~nBE3B2,C3,C4,D3,C2,F5,D1,F3,E1,N13,F4GPA12~GPA22D2,E3,D6,C6,H15,E4,E6,J12,A2,B4,B3,J13,H17,J16,J14nGCS,nGCS7,nSCAS,nSRAS,nTRST,nWAIT,nWE,PWREN,SCKE,SCLK0,SCLK1,TCK,TDI,TDOTMSJ6,J5,J7,K3,K4,K2,L5,K7,K5,L3,K6GPB0~GPB10T15,R13,P13,T13OM0~OM3K11,L17,K13,K14,K16,K17,J11,J15,K15,R9,P10GPH0~GPH10P7,R7,T7,L8,U6,N8,K8,R8,M8,P8,J9,K9,P9,L9,U8,M9GPE0~GPE15L1,L4,M1,L7,M4,M3,M2,P1,N2,L6,N4,R1,N3,P2,M6,P3GPC0~GPC15R2,M5,N5,R3,P4,R4,P5,N6,M7,T4,R5,T5,P6,R6,N7,U5GPD0~GPD15U16,G14,M14,G15,L12,N15,P14,N16,M13Vref,XTlpll,Xtirtc,XTOpllXtortc,VDD-RTC,VDDA-ADCVDDA-MPLL,VDDA-UPLLG4,J17VDDaliveA1,A10,A16,A6,B11,F1,F16,U11VDDiL2,T6,T8,U1,J2,U2VDDiarmA9,B12,B14,B16,B6,C1,F17VDDMOPJ1,T12,T3,K12VDDOPT14,R17,M12VSSA-ADC,VSSA-MPLL,VSSA-UPLLA12,A3,A4,B10,C17,F2,G17VSSiH1,K1,T1,T2,U10,U4,U7VSSiarmA11,A15,A5,A7,B1,B13,D16,D17,E2VSSMOPG1,N1,U15,U3,U9,H11VSSOPIISMSB-justified。FIFODMA。。1.13SPI()S3C2400ASPI。S3C2400ASPI,8。SPI,。SPISPI、SPI(2.11)、8、8、8、,DMA、5V,nSS。1.14AC97S3C2400AAC97AC972.0。AC97(AC-link)AC97。PCM,。PCMMIC,。AC97:PCM,PCMMIC、DMA、16、AC97(48kHZ)、16FIFO、。21~17,A、B、C、D、E、F、G、H、J、K、L、M、N、P、R、T、U。1。S3C2440A289,FBGA[1]。2。-28-4YLE2440WFig.4CircuitdiagramofYLE2440W3YLE2440WFig.3InternalstructureofYLE2440W2Fig.2PinassignmentGPF、GPG,TDI,TDO,TMS,nGCS。3S3C2440AYLE2440W3,GPS,,,,USB,WLAN,,,,LCD[6]。S3C2440A27,32,8,。3。S3C2440A4YLE2440W,JTAGnTRST,TCK,TDI,TDO,TMS,。UART4,,,,,。SDRAM。。linux2.6,RTC。S3C2440A,NANDFLASHNORFLASH。YLE2440W[7],S3C2440A,,S3C2440ALCD。JTAG。4S3C2440A,,,,,,。(34),S3C2440A-29-《》201124、,:,,、。BLDCM,。:[1],.[M].:,2001.[2]MoreiraJC.IndirectsensingforrotorfluxpositionofpermanentmagnetACmotorsoperatingoverawidespeedrange[J].IEEETransactionsonIndustryApplications,2006(6):1391-1401.[3]HUANGFeng-tai,TienD.AneuralnetworkapproachtoPositionsensorlesscontrolofbrushlessDCmotors[C]//IndustrialElectronics,Control,andInstrumentation,1996.Proeeedingsofthe1996IEEEIECONandInternationalConference,2006:1167-1170.[4],,.[J].,2006(3):153-157.LINPing,WEIKun,ZHANGZhong-chao.AnovelcontrolschemetosuppressthecommutationtorquerippleinBLDCM[J].ProceedingsoftheCSEE,2006(3):153-157.[5].[M].:,1996.[6],.[J].,2002(1):21-25.DUXiao-yun,LINRui-guang.Thecontrolofposition-sensorlessbrushlessDCmotor[J].ElectricMachinesandControl,2002(1):21-25.11Fig.11Responsecurveoftorgue:[1].S3C2440A[S].2007.[2],.—InterStrongARM[M].:,2003.[3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