參數(shù)資料
型號(hào)： μPD780023
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(jī)微控制器（8位單片微控制器）
文件頁(yè)數(shù)： 6/64頁(yè)
文件大?。?/td> 487K
代理商： ΜPD780023
6
μ
PD780021, 780022, 780023, 780024
Preliminary Data Sheet
CONTENTS
1.
PIN CONFIGURATION (Top View) .....................................................................................................7
2.
BLOCK DIAGRAM .............................................................................................................................10
3.
PIN FUNCTIONS ................................................................................................................................11
3.1
Port Pins .................................................................................................................................................... 11
3.2
Non-port Pins............................................................................................................................................ 12
3.3
Pin I/O Circuits and Recommended Connection of Unused Pins..................................................... 14
4.
MEMORY SPACE ...............................................................................................................................16
5. PERIPHERAL HARDWARE FUNCTION FEATURES.......................................................................17
5.1
Ports ........................................................................................................................................................... 17
5.2
Clock Generator........................................................................................................................................ 18
5.3
Timer/Counter ........................................................................................................................................... 19
5.4
Clock Output/Buzzer Output Control Circuit........................................................................................ 23
5.5
A/D Converter ........................................................................................................................................... 24
5.6
Serial Interface.......................................................................................................................................... 25
6.
INTERRUPT FUNCTIONS .................................................................................................................27
7.
EXTERNAL DEVICE EXPANSION FUNCTIONS .............................................................................30
8.
STANDBY FUNCTIONS.....................................................................................................................30
9.
RESET FUNCTION ............................................................................................................................30
10. INSTRUCTION SET ...........................................................................................................................31
11. ELECTRICAL SPECIFICATIONS......................................................................................................33
12. PACKAGE DRAWINGS......................................................................................................................52
APPENDIX A. DEVELOPMENT TOOLS ................................................................................................55
APPENDIX B. RELATED DOCUMENTS................................................................................................58
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