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UPD78324 Description

The µPD78324 is a 16/8-bit single-chip microcontroller that incorporates a high-performance 16-bit CPU. The µPD78324 is one of 78K/III series. The internal capacity is significantly increased pared with the conventional µPD78322.

UPD78324 Key Features

  • Internal 16-bit architecture and external 8-bit data bus
  • High-speed processing by pipeline control and instruction prefetch
  • Minimum instruction execution time: 250 ns (with 16 MHz external clock in operation)
  • Instruction set suitable for control operations (µPD78312 upward patible)
  • Multiply/divide instructions (16 bits × 16 bits, 32 bits ÷ 16 bits)
  • Bit manipulation instruction
  • String instruction, etc
  • On-chip high-function interrupt controller
  • 3-level priority specifiable
  • 3-type interrupt processing mode selectable (Vectored interrupt function, context switching function, and macro service

UPD78324 Applications

  • Motor control devices Unless there are any particular diferences, the µPD78324 is described as the representative model in this document