參數(shù)資料
型號: μPD780983
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8 位單片微控制器)
中文描述: 8位單片機微控制器(8位單片微控制器)
文件頁數(shù): 12/121頁
文件大?。?/td> 350K
代理商: ΜPD780983
12
LIST OF FIGURES
Figure No.
Title
Page
1-1.
1-2.
1-3.
1-4.
1-5.
Use of Sawtooth Wave to Generate PWM Sine Waveform....................................15
Switching Timing .....................................................................................................16
Dead Time...............................................................................................................16
Variation of Characteristic Modulation Ratio with Output Frequency......................17
Generation of PWM Sine Waveform under V/f Control...........................................17
2-1.
2-2.
Hardware Configuration...........................................................................................21
Memory Map............................................................................................................22
3-1.
3-2.
3-3.
3-4.
3-5.
3-6.
3-7.
3-8.
3-9.
3-10.
3-11.
3-12.
Program Composition..............................................................................................28
Digit Switching.........................................................................................................40
Segment Arrangement ............................................................................................40
8-Segment LED Display Pattern..............................................................................40
Key Input Port Sampling..........................................................................................41
Interrupt Variable Setting.........................................................................................43
Block Diagram of the 10-Bit Inverter Control Timer.................................................45
TM7 Operation Timing.............................................................................................46
Sine Wave Table.....................................................................................................47
V/f Modulation..........................................................................................................47
Offset Revision According to V/f Modulation...........................................................47
Safety Stop Conditions............................................................................................48
4-1.
Time Required for Timing Set Interrupt Processing................................................49
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