參數(shù)資料
型號(hào)： UPD78322
廠商： NEC Corp.
英文描述： 16/8-BIT SINGLE-CHIP MICROCONTROLLER
中文描述： 16/8-BIT單片機(jī)
文件頁(yè)數(shù)： 10/88頁(yè)
文件大?。?/td> 479K
代理商： UPD78322
μ
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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