參數(shù)資料
型號(hào)： UPD75068GB
廠商： NEC Corp.
英文描述： 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述： 4位單片機(jī)
文件頁(yè)數(shù)： 4/68頁(yè)
文件大小： 640K
代理商： UPD75068GB
4
μ
PD75064, 75066, 75068, 75064(A), 75066(A), 75068(A)
CONTENTS
1.
PIN CONFIGURATION (TOP VIEW)··························································································
5
2.
BLOCK DIAGRAM························································································································
7
3.
PIN FUNCTIONS··························································································································
3.1
Port Pins ···············································································································································
3.2
Non-Port Pins ·······································································································································
3.3
Pin Input/Output Circuits···················································································································
3.4
Mask Option Selection························································································································
3.5
Handling Unused Pins ·························································································································
8
8
9
10
12
13
4.
MEMORY CONFIGURATION ·····································································································
14
5.
PERIPHERAL HARDWARE FUNCTIONS ···················································································
5.1
Ports······················································································································································
5.2
Clock Generator ···································································································································
5.3
Clock Output Circuit ····························································································································
5.4
Basic Interval Timer·····························································································································
5.5
Watch Timer·········································································································································
5.6
Timer/Event Counter···························································································································
5.7
Serial Interface ·····································································································································
5.8
A/D Converter ······································································································································
5.9
Bit Sequential Buffer ···························································································································
18
18
19
20
21
22
23
24
25
26
6. INTERRUPT FUNCTIONS ···········································································································
27
7.
STANDBY FUNCTION················································································································
29
8.
RESET OPERATION····················································································································
30
9.
INSTRUCTION SET ····················································································································
32
10. ELECTRICAL SPECIFICATIONS ·································································································
40
11. CHARACTERISTIC CURVES (FOR REFERENCE ONLY) ···························································
54
12. PACKAGE DRAWINGS···············································································································
60
13. RECOMMENDED SOLDERING CONDITIONS···········································································
62
APPENDIX A. DEVELOPMENT TOOLS ························································································
64
APPENDIX B. RELATED DOCUMENTS ························································································
65
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