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): 11/121頁
文件大?。?/td> 350K
代理商: ΜPD780983
11
CONTENTS
CHAPTER 1 OVERVIEW OF FUNCTIONS............................................................................... 15
1.1
1.2
1.3
1.4
1.5
PWM SIGNAL GENERATION.................................................................................... 15
DEAD TIME................................................................................................................. 16
V/f CONTROL............................................................................................................. 17
INVERTER OUTPUT SETTING RANGE.................................................................... 18
FREQUENCY SHIFTING............................................................................................ 19
CHAPTER 2 HARDWARE CONFIGURATION.......................................................................... 21
2.1
2.2
SYSTEM CONFIGURATION...................................................................................... 21
CPU BLOCK............................................................................................................... 22
2.2.1 Memory Map...................................................................................................... 22
2.2.2 Pin Mapping....................................................................................................... 23
CIRCUIT DIAGRAM.................................................................................................... 24
2.3
CHAPTER 3 CONTROL ............................................................................................................ 25
3.1
3.2
3.3
3.4
3.5
3.6
STATE TRANSITION TABLE..................................................................................... 25
PROGRAM COMPOSITION....................................................................................... 27
RAM AND FLAGS ...................................................................................................... 29
TABLES...................................................................................................................... 35
REGISTERS................................................................................................................ 37
PROGRAM DESCRIPTION........................................................................................ 38
3.6.1 Initialization (Symbol name: RESTART, RAMCLR, INIT) ................................ 38
3.6.2 Main Processing................................................................................................ 39
3.6.3 Setting PWM Switching Timing......................................................................... 45
3.6.4 INTP0 Safety Stop Processing.......................................................................... 48
3.6.5 Dead Time Input................................................................................................ 48
CHAPTER 4 NOTES ON TIME REQUIRED FOR TIMING
SET INTERRUPT PROCESSING........................................................................ 49
CHAPTER 5 FLOWCHARTS..................................................................................................... 51
CHAPTER 6 PROGRAM LIST................................................................................................... 69
6.1
6.2
6.3
6.4
MAIN PROCESSING.................................................................................................. 70
INTERRUPT PROCESSING..................................................................................... 101
TABLE DATA............................................................................................................ 109
CONSTANT DEFINITION......................................................................................... 118
APPENDIX REVISION HISTORY............................................................................................ 119
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