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Freescale Semiconductor M68HC08 manual

Models: M68HC08

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Freescale Semiconductor M68HC08 manual

Contents

DRM067 Rev. 1 12/2005 Designer Reference ManualM68HC08 Microcontrollers Page Designer Reference Manual Draft 2 for Review Freescale SemiconductorChapter Reference Design Contents Chapter IntroductionChapter Control Theory Chapter Hardware DesignChapter Software Design Chapter Demo SetupAppendix A. Schematics and Part List Appendix B. References1.1 Introduction 1.2 Benefits of this SolutionChapter Introduction 1.3 The MC68HC908LB8 Microcontroller 7-bitkeyboard interrupt Introduction Freescale Semiconductor2.1.1 Fluorescent Lamp Control Theory Chapter Control Theory2.1 Introduction 2.1.2 Fluorescent Lamp OperationGas filling mixture 2.1.3 Controlling the Fluorescent Lamp Freescale SemiconductorFreescale Semiconductor 2.2PFC Control Theory 2.2.1 IntroductionFreescale Semiconductor Freescale Semiconductor DC Bus Voltage MCU PWM PWM1 FAULT PINControl Theory Zero2.2.4 Concept Summary Figure 2-8.Generated Input Current WaveformControl Theory Freescale Semiconductor3.1 Application Outline 3.2 Dimmable Light Ballast CharacteristicsChapter Reference Design 3.3 Application Description Table 3-1.Light Ballast CharacteristicsCONTROL BOARD 3.3.2 Power Factor Correction3.3.1 Light Ballast Control MC68HC908LB83.3.3 Protection Features 3.4 Software Specification3.5 Hardware Specification 4.2 System Modules Chapter Hardware Design4.1 Hardware Implementation 4.2.1 Input and PFC Hardware DesignFigure 4-3.Dimmable Light Ballast - Input and PFC 4.2.2 Inverter Freescale SemiconductorFreescale Semiconductor Figure 4-4.Dimmable Light Ballast - InverterSystem Modules HALF BRIDGE4.2.3 Microcontroller Pin number SignalSystem Modules TOP BOT Comp Comp Out Zero DetectHardware Design SignalTable 4-2.J2 Interface Header Pin numberTable 4-3.Supplied Voltages 4.2.4 Power SupplyFigure 4-6.Dimmable Light Ballast - Power Supply Hardware Design Freescale Semiconductor5.2 Control Algorithm Description Chapter Software Design5.1 Introduction 5.2.1.4 Generation of Output PFC Control SIgnal 5.2.1 Power Factor Correction Control5.2.1.2 Phase Shift Synchronization 5.2.1.1 DC-busVoltage Control5.2.2.2 Luminance Level Control Tube Run Mode 5.2.2 Light Ballast Control5.2.2.1 Tube Start Mode rounditmin ⋅ ADmax ⁄ imax q = itADmin - A ⋅ ek ⋅ ADminireq = A ⋅ ek ⋅ ireqAD + q rounditmax ⋅ ADmax ⁄ imax5.3.1 Initialization Setup 5.3 Software Implementation5.3.1.1 PWM Setup BusFrequency 5.3.1.2 HRP SetupPWM Frequency = Hz Hz5.3.2 Main Program Loop Freescale Semiconductor 5.3.3 Synchronization Interrupt Routine5.3.4 Sine Wave Generation Interrupt Routine interrupt void pwmISRvoid Set 1ms flag and reset 1ms counterSoftware Design Read new PWM value from table * sineGain5.3.4.1 Fault Detection and Processing Software Design 5.4 Detailed Software DescriptionFigure 5-6.Flow Chart - timovISR and faultISR Stop HRPFigure 5-7.Flow Chart - Main Flow, Part Detailed Software DescriptionFreescale Semiconductor Figure 5-8.Flow Chart - Main Flow, PartSoftware Design Freescale Semiconductor Figure 5-9.Flow Chart - Main Flow, PartDetailed Software Description Freescale Semiconductor Figure 5-10.Flow Chart - Main Flow, PartSoftware Design 5.5 Microcontroller Usage 5.5.1.1 High Resolution PWM HRP5.5.1.4 Timer Interface Module TIM 5.5.1 Microcontroller Peripheral UsageSoftware Design 5.6 Definitions of Constants and Variables5.5.3 I/O Usage I/O pin5.6.1 System Setup Definitions defines the minimum HRP frequency in kHz 5.6.2 System Constants and Variables Page 6.2 Software Setup Chapter Demo Setup6.1 Hardware Setup 6.2.1 Required Software Tools\prm\P&E FCS linker.prm, linker program file 6.2.3 Executing the Application6.2.4 Project Files \Sources\pi controller.c, PI regulators fileAppendix A. Schematics and Part List A.1 SchematicsComp 2.7mHPFC Current Sense PFC GatePFC Gate PFC Current SenseComp Zero DetectO1 O2 O3 O4 O5 O6 O7 O8 Figure A-3.InverterDCB TOP BOT COM LOSerial Data DCB Divider Tube Current Tube Current TOP BOT Comp - Comp Out Zero DetectSerial Data Tube Voltage differenceSerial Data DCB Divider Tube Current Tube Current GNDSerial Data5 Tube Voltage differenceFigure A-6.Power supply QUANTITY A.2 Parts ListDESIGNATORS DESCRIPTIONDESCRIPTION DESIGNATORSQUANTITY MANUFACTURERFreescale Semiconductor Appendix B. References Freescale Semiconductor Page E-mail How to Reach UsHome Page USA/Europe or Locations Not Listed