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UPD780034AY Datasheet(PDF) 8 Page - NEC

Part # UPD780034AY
Description  8-BIT SINGLE-CHIP MICROCONTROLLERS
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD780034AY Datasheet(HTML) 8 Page - NEC

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µPD78F0034B, 78F0034BY, 78F0034B(A), 78F0034BY(A)
8
Data Sheet U16369EJ1V0DS
CONTENTS
1.
PIN CONFIGURATION (TOP VIEW) ..............................................................................................
9
2.
BLOCK DIAGRAM .......................................................................................................................... 12
3.
PIN FUNCTIONS .............................................................................................................................
13
3.1
Port Pins .................................................................................................................................................
13
3.2
Non-Port Pins .........................................................................................................................................
14
3.3
Pin I/O Circuits and Recommended Connection of Unused Pins ..................................................
16
4.
DIFFERENCES BETWEEN
µµµµµPD78F0034B, 78F0034BY, AND MASK ROM VERSIONS ......... 19
5.
DIFFERENCES BETWEEN
µµµµµPD78F0034B, 78F0034BY AND µµµµµPD78F0034A, 78F0034AY ..... 21
6.
DIFFERENCES BETWEEN
µµµµµPD78F0034B, 78F0034BY AND µµµµµPD78F0034B(A), 78F0034BY(A) ..... 22
7.
MEMORY SIZE SWITCHING REGISTER (IMS) ............................................................................
23
8.
FLASH MEMORY PROGRAMMING ..............................................................................................
24
8.1
Selection of Communication Mode .....................................................................................................
24
8.2
Flash Memory Programming Functions .............................................................................................
26
8.3
Connection of Flashpro III/Flashpro IV ..............................................................................................
26
9.
ELECTRICAL SPECIFICATIONS ...................................................................................................
28
9.1
µµµµµPD78F0034B, 78F0034B(A) ................................................................................................................ 28
9.2
µµµµµPD78F0034BY, 78F0034BY(A) ............................................................................................................ 46
9.3
Timing Chart ...........................................................................................................................................
64
10. PACKAGE DRAWINGS ..................................................................................................................
71
11. RECOMMENDED SOLDERING CONDITIONS .............................................................................
75
APPENDIX A. DEVELOPMENT TOOLS ............................................................................................. 77
APPENDIX B. RELATED DOCUMENTS ............................................................................................ 85


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