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UPD784020 Datasheet 16/8-BIT SINGLE-CHIP MICROCOMPUTER

Manufacturer: NEC (now Renesas Electronics)

Overview

DATA SHEET MOS INTEGRATED CIRCUIT m PD784020, 784021 16/8-BIT SINGLE-CHIP MICROCOMPUTER The mPD784021 is a product of the m PD784026 sub-series in the 78K/IV series.

It contains various peripheral hardware such as RAM, I/O ports, 8-bit resolution A/D and D/A converters, timers, serial interface, and interrupt functions, as well as a high-speed, high-performance CPU.

The m PD784021 is a ROM-less product of the m PD784025 or mPD784026.

Key Features

  • 78K/IV series.
  • Pin-compatible with the mPD78234 sub-series.
  • Minimum instruction execution time: 160 ns (at 25 MHz).
  • PWM outputs: 2.
  • Standby function HALT/STOP/IDLE mode.
  • Number of I/O ports: 46.
  • Timer/counters: 16-bit timer/counter.
  • 3 units 16-bit timer.
  • 1 unit.
  • Serial interface: 3 channels UART/IOE (3-wire serial I/O) :2 channels CSI (3-wire serial I/O, SBI) : 1 channel.