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UPD784038 Datasheet(PDF) 5 Page - NEC |
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UPD784038 Datasheet(HTML) 5 Page - NEC |
5 / 52 page 5 Data Sheet U14118EJ1V0DS µPD78F4938A CONTENTS 1. DIFFERENCES AMONG PRODUCTS IN µPD784938A SUBSERIES ................................... 6 2. PIN CONFIGURATION (TOP VIEW) ........................................................................................... 7 3. BLOCK DIAGRAM ......................................................................................................................... 9 4. PIN FUNCTIONS ............................................................................................................................ 10 4.1 Port Pins ................................................................................................................................. 10 4.2 Non-Port Pins ........................................................................................................................ 12 4.3 Pin I/O Circuits and Recommended Connection of Unused Pins ................................. 14 5. INTERNAL MEMORY SIZE SWITCHING REGISTER (IMS) .................................................. 18 6. PROGRAMMING FLASH MEMORY ............................................................................................ 19 6.1 Selecting Communication Mode ......................................................................................... 19 6.2 Flash Memory Programming Functions ............................................................................ 20 6.3 Connecting Flashpro III ........................................................................................................ 21 7. ELECTRICAL SPECIFICATIONS .................................................................................................. 22 8. PACKAGE DRAWING .................................................................................................................... 42 9. RECOMMENDED SOLDERING CONDITIONS ........................................................................... 43 APPENDIX A. DEVELOPMENT TOOLS ............................................................................................ 44 APPENDIX B. RELATED DOCUMENTS ........................................................................................... 47 |
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