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UPD753204 Datasheet(PDF) 3 Page - NEC |
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UPD753204 Datasheet(HTML) 3 Page - NEC |
3 / 80 page ![]() 3 µPD753204, 753206, 753208 CONTENTS 1. PIN CONFIGURATION (TOP VIEW) .................................................................................................... 5 2. BLOCK DIAGRAM ................................................................................................................................ 6 3. PIN FUNCTIONS .................................................................................................................................... 7 3.1 Port Pins ...................................................................................................................................... 7 3.2 Non-Port Pins .............................................................................................................................. 9 3.3 Pin Input/Output Circuits ......................................................................................................... 11 3.4 Recommended Connections for Unused Pins ....................................................................... 13 4. SWITCHING FUNCTION BETWEEN Mk I MODE AND Mk II MODE ................................................ 14 4.1 Difference Between Mk I and Mk II Modes .............................................................................. 14 4.2 Setting Method of Stack Bank Select Register (SBS) ........................................................... 15 5. MEMORY CONFIGURATION ............................................................................................................. 16 6. PERIPHERAL HARDWARE FUNCTION ........................................................................................... 21 6.1 Digital I/O Port ........................................................................................................................... 21 6.2 Clock Generator ........................................................................................................................ 22 6.3 Clock Output Circuit ................................................................................................................. 23 6.4 Basic Interval Timer/Watchdog Timer ..................................................................................... 24 6.5 Watch Timer .............................................................................................................................. 25 6.6 Timer/Event Counter ................................................................................................................. 26 6.7 Serial Interface .......................................................................................................................... 30 6.8 LCD Controller/Driver ............................................................................................................... 32 6.9 Bit Sequential Buffer ................................................................................................................ 34 7. INTERRUPT FUNCTION AND TEST FUNCTION .............................................................................. 35 8. STANDBY FUNCTION ........................................................................................................................ 37 9. RESET FUNCTION ............................................................................................................................. 38 10. MASK OPTION ................................................................................................................................... 41 11. INSTRUCTION SET ............................................................................................................................ 42 12. ELECTRICAL SPECIFICATIONS ....................................................................................................... 56 13. CHARACTERISTIC CURVES (REFERENCE VALUES) ................................................................... 68 14. PACKAGE DRAWINGS ..................................................................................................................... 70 15. RECOMMENDED SOLDERING CONDITIONS ................................................................................. 71 |
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