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Freescale Semiconductor M68HC08 manual Gnd, Serial Data5, Tube Voltage difference

Models: M68HC08

1 72

Page 64

	5V
	R12
	10K	R26 1K
		R26 1K
TOP
		R27 1K		6
BOT				7
BOT				8
				8
		R38	N/P	9
PWM1		R38	N/P	10
PWM1				11
				11
Comp -				12
Comp -				13
				13
				3
				4
Zero Detect				5
Zero Detect
		5V
		R29
	R30 13K	11K
	R30 13K
			2	GND
		R31	2	C9
		R31		C9
		3K9	1	100nF
			1
		GND	GND

D11

R28

LED

1K8

IC2

PTB0/TOP

PTA0/ADC0/KBI0

PTB1/BOT

PTA1/ADC1/KBI1

PTB2/FAULT

PTA2/ADC2/KBI2

PTB3/PWM0

PTA3/ADC3/KBI3

PTB4/PWM1

PTA4/ADC4/KBI4

PTB5/V+

PTA5/RST/KBI5

PTB6/V-

PTA6/ADC5/TCH0/KBI6

PTB7/VOUT/ADC6/FAULT

PTC0/OSC1

VDD

PTC1/OSC2

VSS

PTC2/SHTDWN/IRQ

MC68HC908LB8-CASE_751D

GND

JP5

Serial Data5 6

CONN/HDR/6X1

GND

R260

C19
100nF
25V
2			C29
2



1			150nF
1			150nF


GND

R39

R33

10K

Serial Data

DCB Divider

Tube Current 1

Tube Current 2

Tube Voltage difference

JP2

Luminance Level

GND

Figure A-5. Microcontroller for discontinuous conduction mode HW variation

Page 64

Image 64

Freescale Semiconductor M68HC08 manual Gnd, Serial Data5, Serial Data DCB Divider Tube Current Tube Current

Contents

M68HC08 Microcontrollers Designer Reference ManualDRM067 Rev. 1 12/2005 Page Designer Reference Manual Draft 2 for Review Freescale SemiconductorContents Chapter Introduction Chapter Control TheoryChapter Reference Design Chapter Hardware DesignChapter Demo Setup Appendix A. Schematics and Part ListChapter Software Design Appendix B. ReferencesChapter Introduction 1.2 Benefits of this Solution1.1 Introduction 1.3 The MC68HC908LB8 Microcontroller 7-bitkeyboard interrupt Introduction Freescale SemiconductorChapter Control Theory 2.1 Introduction2.1.1 Fluorescent Lamp Control Theory 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 MCU PWM PWM1 FAULT PIN Control TheoryDC Bus Voltage Zero2.2.4 Concept Summary Figure 2-8.Generated Input Current WaveformControl Theory Freescale SemiconductorChapter Reference Design 3.2 Dimmable Light Ballast Characteristics3.1 Application Outline 3.3 Application Description Table 3-1.Light Ballast Characteristics3.3.2 Power Factor Correction 3.3.1 Light Ballast ControlCONTROL BOARD MC68HC908LB83.5 Hardware Specification 3.4 Software Specification3.3.3 Protection Features 4.1 Hardware Implementation Chapter Hardware Design4.2 System Modules 4.2.1 Input and PFC Hardware DesignFigure 4-3.Dimmable Light Ballast - Input and PFC 4.2.2 Inverter Freescale SemiconductorFigure 4-4.Dimmable Light Ballast - Inverter System ModulesFreescale Semiconductor HALF BRIDGE4.2.3 Microcontroller Signal System ModulesPin number TOP BOT Comp Comp Out Zero DetectSignal Table 4-2.J2 Interface HeaderHardware Design Pin numberFigure 4-6.Dimmable Light Ballast - Power Supply 4.2.4 Power SupplyTable 4-3.Supplied Voltages Hardware Design Freescale Semiconductor5.1 Introduction Chapter Software Design5.2 Control Algorithm Description 5.2.1 Power Factor Correction Control 5.2.1.2 Phase Shift Synchronization5.2.1.4 Generation of Output PFC Control SIgnal 5.2.1.1 DC-busVoltage Control5.2.2.1 Tube Start Mode 5.2.2 Light Ballast Control5.2.2.2 Luminance Level Control Tube Run Mode q = itADmin - A ⋅ ek ⋅ ADmin ireq = A ⋅ ek ⋅ ireqAD + qrounditmin ⋅ ADmax ⁄ imax rounditmax ⋅ ADmax ⁄ imax5.3.1 Initialization Setup 5.3 Software Implementation5.3.1.1 PWM Setup 5.3.1.2 HRP Setup PWM Frequency =BusFrequency Hz Hz5.3.2 Main Program Loop 5.3.4 Sine Wave Generation Interrupt Routine 5.3.3 Synchronization Interrupt RoutineFreescale Semiconductor Set 1ms flag and reset 1ms counter Software Designinterrupt void pwmISRvoid Read new PWM value from table * sineGain5.3.4.1 Fault Detection and Processing 5.4 Detailed Software Description Figure 5-6.Flow Chart - timovISR and faultISRSoftware Design Stop HRPFigure 5-7.Flow Chart - Main Flow, Part Detailed Software DescriptionSoftware Design Figure 5-8.Flow Chart - Main Flow, PartFreescale Semiconductor Detailed Software Description Figure 5-9.Flow Chart - Main Flow, PartFreescale Semiconductor Software Design Figure 5-10.Flow Chart - Main Flow, PartFreescale Semiconductor 5.5.1.1 High Resolution PWM HRP 5.5.1.4 Timer Interface Module TIM5.5 Microcontroller Usage 5.5.1 Microcontroller Peripheral Usage5.6 Definitions of Constants and Variables 5.5.3 I/O UsageSoftware Design I/O pin5.6.1 System Setup Definitions defines the minimum HRP frequency in kHz 5.6.2 System Constants and Variables Page Chapter Demo Setup 6.1 Hardware Setup6.2 Software Setup 6.2.1 Required Software Tools6.2.3 Executing the Application 6.2.4 Project Files\prm\P&E FCS linker.prm, linker program file \Sources\pi controller.c, PI regulators fileAppendix A. Schematics and Part List A.1 Schematics2.7mH PFC Current SenseComp PFC GatePFC Current Sense CompPFC Gate Zero DetectFigure A-3.Inverter DCB TOP BOTO1 O2 O3 O4 O5 O6 O7 O8 COM LOTOP BOT Comp - Comp Out Zero Detect Serial DataSerial Data DCB Divider Tube Current Tube Current Tube Voltage differenceGND Serial Data5Serial Data DCB Divider Tube Current Tube Current Tube Voltage differenceFigure A-6.Power supply A.2 Parts List DESIGNATORSQUANTITY DESCRIPTIONDESIGNATORS QUANTITYDESCRIPTION MANUFACTURERFreescale Semiconductor Appendix B. References Freescale Semiconductor Page How to Reach Us Home PageE-mail USA/Europe or Locations Not Listed