µPD178F098
CONTENTS
1. DIFFERENCES BETWEEN µPD178F098 AND MASK ROM MODELS ..................................... 9
2. PIN FUNCTION LIST ...................................................................................................................... 10
2.1 Port Pins .................................................................................................................................. 10
2.2 Pins Other Than Port Pins ...................................................................................................... 11
2.3 I/O Circuits of Pins and Recommended Connections of Unused Pins ............................. 13
3. MEMORY SIZE SELECT REGISTER (IMS) ................................................................................. 17
4. INTERNAL EXTENSION RAM SIZE SELECT REGISTER (IXS) .............................................. 18
5. INTERRUPT FUNCTION ................................................................................................................. 19
6. FLASH MEMORY PROGRAMMING .............................................................................................. 23
6.1 Selecting Communication Mode ........................................................................................... 23
6.2 Flash Memory Programming Function ................................................................................. 24
6.3 Connecting Flashpro III .......................................................................................................... 25
7. ELECTRICAL SPECIFICATIONS ................................................................................................... 26
8. PACKAGE DRAWING ..................................................................................................................... 44
9. RECOMMENDED SOLDERING CONDITIONS ............................................................................. 45
APPENDIX A. DEVELOPMENT TOOLS ............................................................................................... 46
APPENDIX B. RELATED DOCUMENTS .............................................................................................. 48
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Data Sheet U12920EJ1V0DS00