參數(shù)資料
型號： UPD78322GJ-XXX-5BJ
元件分類： 微控制器/微處理器
英文描述： 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP74
封裝： 20 X 20 MM, PLASTIC, QFP-74
文件頁數(shù)： 4/90頁
文件大小： 649K
代理商： UPD78322GJ-XXX-5BJ
PD78320, 78322
10
CONTENTS
1.
LIST OF PIN FUNCTIONS ..................................................................................................................... 12
1.1
PORT PINS ...................................................................................................................................................... 12
1.2
NON-PORT PINS ............................................................................................................................................. 13
1.3
PIN INPUT/OUTPUT CIRCUITS AND RECOMMENDED CONNECTION OF UNUSED PINS ................... 15
2.
CPU ARCHITECTURE ............................................................................................................................ 17
2.1
MEMORY SPACE ............................................................................................................................................ 17
2.2
PROCESSOR REGISTERS ............................................................................................................................ 20
2.2.1
Control Registers ........................................................................................................................... 21
2.2.2
General Registers ........................................................................................................................... 23
2.2.3
Special Function Registers (SFR) ................................................................................................ 25
2.3
DATA MEMORY ADDRESSING ..................................................................................................................... 30
2.3.1
General Register Addressing ....................................................................................................... 30
2.3.2
Short Direct Addressing ................................................................................................................ 30
2.3.3
Special Function Register (SFR) Addressing ............................................................................ 30
3.
BLOCK FUNCTIONS .............................................................................................................................. 31
3.1
BUS CONTROL UNIT (BCU) .......................................................................................................................... 31
3.2
EXECUTION UNIT (EXU) ................................................................................................................................31
3.3
ROM/RAM ........................................................................................................................................................ 31
3.4
INTERRUPT CONTROLLER .......................................................................................................................... 31
3.5
PORT FUNCTIONS ......................................................................................................................................... 32
3.6
CLOCK GENERATOR .................................................................................................................................... 33
3.7
REALTIME PULSE UNIT (RPU) ..................................................................................................................... 35
3.7.1
Configuration .................................................................................................................................. 35
3.7.2
Realtime Output Function ............................................................................................................. 37
3.8
A/D CONVERTER ........................................................................................................................................... 38
3.9
SERIAL INTERFACE ...................................................................................................................................... 38
3.10 WATCHDOG TIMER ....................................................................................................................................... 41
4.
INTERRUPT FUNCTIONS ...................................................................................................................... 42
4.1
OVERVIEW ...................................................................................................................................................... 42
4.2
MACRO SERVICE ........................................................................................................................................... 44
4.3
CONTEXT SWITCHING FUNCTION .............................................................................................................. 45
4.3.1
Context Switching Function by Interrupt Request .................................................................... 45
4.3.2
Context Switching Function by BRKCS Instruction ................................................................. 46
5.
STANDBY FUNCTIONS ......................................................................................................................... 47
6.
EXTERNAL DEVICE EXPANSION FUNCTION .................................................................................... 48
7.
OPERATION AFTER RESET ................................................................................................................. 49
8.
INSTRUCTION SET ................................................................................................................................50
9.
ELECTRICAL SPECIFICATIONS .......................................................................................................... 64
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