參數(shù)資料
型號： UPD78218A
廠商： NEC Corp.
元件分類： 8位微控制器
英文描述： 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述： 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù)： 9/66頁
文件大?。?/td> 510K
代理商： UPD78218A
9
μ
PD78217A, 78218A
CONTENTS
1.
DIFFERENCES BETWEEN
μ
PD78218A AND
μ
PD78214 SUBSERIES ..................................................10
2.
PIN FUNCTIONS........................................................................................................................................11
2.1
PORTS .................................................................................................................................................................11
2.2
NON-PORT PINS ................................................................................................................................................12
2.3
PIN I/O CIRCUITS AND UNUSED PIN CONNECTION...................................................................................13
3.
INTERNAL BLOCK FUNCTIONS ..............................................................................................................15
3.1
MEMORY SPACE ...............................................................................................................................................15
3.2
PORTS .................................................................................................................................................................17
3.3
REAL-TIME OUTPUT PORT ..............................................................................................................................19
3.4
TIMER/COUNTER UNIT ....................................................................................................................................20
3.5
A/D CONVERTER...............................................................................................................................................22
3.6
SERIAL INTERFACE ...........................................................................................................................................24
3.6.1
Asynchronous Serial Interface ........................................................................................................25
3.6.2
Clock Synchronous Serial Interface................................................................................................26
4.
INTERNAL/EXTERNAL CONTROL FUNCTION ......................................................................................27
4.1
INTERRUPTS ..................................................................................................................................................... 27
4.1.1
Interrupt Sources ..............................................................................................................................28
4.1.2
Vectored Interrupt.............................................................................................................................30
4.1.3
Macro Service ....................................................................................................................................30
4.1.4
Macro Service Application Examples.............................................................................................31
4.2
LOCAL BUS INTERFACE ...................................................................................................................................33
4.2.1
Memory Expansion ...........................................................................................................................33
4.2.2
Programmable Wait ..........................................................................................................................33
4.2.3
Pseudo-Static RAM Refresh Function ............................................................................................33
4.3
STANDBY ...........................................................................................................................................................34
4.4
RESET..................................................................................................................................................................35
5.
INSTRUCTION SET ...................................................................................................................................36
6.
ELECTRICAL SPECIFICATIONS................................................................................................................40
7.
PACKAGE DRAWINGS .............................................................................................................................57
8.
RECOMMENDED SOLDERING CONDITIONS ........................................................................................59
APPENDIX A. DEVELOPMENT TOOLS.........................................................................................................60
APPENDIX B. RELATED DOCUMENTS.........................................................................................................62
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