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UPD75218 - 4-BIT MICROCOMPUTER

General Description

of the functions of the µPD75218.

Be sure to read this manual when you design an application system.

Key Features

  • On-chip large-capacity ROM and RAM.
  • Program memory (ROM) : 32K × 8 bits.
  • Data memory (RAM) : 1K × 4 bits.
  • Architecture equal to that of an 8-bit microcomputer.
  • High-speed operation: Minimum instruction execution time : 0.67 µs (when the microcomputer operates at 6.0 MHz).
  • Instruction execution time variable function realizing a wide range of operating voltages.
  • On-chip programmable fluorescent indication panel (FIP) controller/drive.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DATA SHEET MOS INTEGRATED CIRCUIT µPD75218 4-BIT SINGLE-CHIP MICROCOMPUTER The µPD75218 is a microcomputer with a CPU capable of 1-, 4-, and 8-bit-wise data processing, ROM, RAM, I/O ports, an FIP controller/driver, a watch timer, a timer/pulse generator capable of outputting 14-bit PWM pulses, a serial interface and a vectored interrupt function integrated on a single chip. It is most suitable for applications which use fluorescent display tubes as display devices and require the timer/ watch function and high-speed interrupt servicing, such as VCR, CD and ECR. It can help to provide the unit with many functions and to decrease performance costs. The µPD75218 has larger ROM and RAM capacity than its predecessor, µPD75217.