Part UPD17705
Description 4-BIT SINGLE-CHIP MICROCONTROLLERS
Category Microcontroller
Manufacturer NEC
Size 1.49 MB
NEC

UPD17705 Overview

Key Features

  • Instruction execution time 1.78 ยต s (with f X = 4.5-MHz crystal oscillator)
  • PLL frequency synthesizer Dual modulus prescaler (130 MHz MAX.), programmable divider, phase comparator, charge pump
  • Many interrupts External Internal : 6 sources : 6 sources
  • Power-ON reset, CE reset, and power failure detection circuit