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UPD78F0034A Datasheet(PDF) 6 Page - NEC |
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UPD78F0034A Datasheet(HTML) 6 Page - NEC |
6 / 66 page µPD78F0034A, 78F0034AY 6 Data Sheet U14040EJ4V0DS 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. DIFFERENCES BETWEEN µPD78F0034A, 78F0034AY, AND MASK ROM VERSIONS .......... 17 5. MEMORY SIZE SWITCHING REGISTER (IMS) ............................................................................ 19 6. FLASH MEMORY PROGRAMMING .............................................................................................. 20 6.1 Selection of Communication Mode ..................................................................................................... 20 6.2 Flash Memory Programming Functions ............................................................................................. 22 6.3 Connection of Flashpro III ................................................................................................................... 22 7. ELECTRICAL SPECIFICATIONS ................................................................................................... 24 8. PACKAGE DRAWINGS .................................................................................................................. 47 9. RECOMMENDED SOLDERING CONDITIONS ............................................................................. 52 APPENDIX A. DEVELOPMENT TOOLS ............................................................................................. 54 APPENDIX B. RELATED DOCUMENTS ............................................................................................. 61 |
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