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UPD78C18 - NEC

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UPD78C18 8-BIT SINGLE-CHIP MICROCONTROLLER WITH A/D CONVERTER

OF OPERAND ............73 SYMBOL DESCRIPTION OF INSTRUCTION CODE .............74 INSTRUCTION EXECUTION TIME .............

Features









• 159 types of instructions: 87AD series instruction set plus multiply/divide and 16-bit operation instructions Instruction cycle: 0.8 µs (at 15-MHz operation) Internal ROM: 32768 x 8 bits (µPD78C18 only) Internal RAM: 1024 x 8 bits Up to 64 Kbytes of memory (ROM/RAM) can be directly addressed. High-resolution 8-bit A/D converter: 8 analog inputs General-purpose serial interface: Asynchronous, synchronous, I/O interface modes Multi-function 16-bit timer/event counter
• Two 8-bit timers
• I/O lines Input/output ports : 28 (µPD78C17), 40 (µPD78C18) Edge detection inputs : 4
• 11 i.

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