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Nuvoton – Ultra Low Cost High-Performance 8051-MCU – N76E003


The new N76E003 is based on a fast 1T 8051 core, has a rich set of sophisticated peripherals and comes in very small packages.

Key Features

  • 1T 8051 Microcontroller running up to 16 MHz
  • Fully Static design and 100% compatible to 8051 instruction set
  • Operating voltage from 2,4V to 5,5V
  • Operating Temperature -40°C to 105°C
  • Up to 18KB Flash Memory
  • Flexible Bootloader and EEPROM memory
  • 1KB SRAM
  • 16MHz RC Oscillator trimmed to 2% accuracy over full temperature range (at VCC=5V)
  • 18 individual interrupt sources, each can be set to one of four interrupt priorities
  • Up to 18 GPIOs with 2-level slew rate control (Quasi bidirectional and true Push Pull modes up to 20mA/port
  • Two 16 bit timer compatible with standard 8051
  • One 16 bit timer with input capture
  • One 16 bit timer which can be used for UART clock sourcing
  • Up to 10 PWM outputs – three pairs can be used for motor control with dead time control and fault brake function
  • One SPI port with master and slave function
  • One I2C port with master and slave function
  • Two full duplex UARTs
  • One 12 bit ADC, up to 500ksps with hardware trigger and window comparator
  • Flexible power management and power monitoring
  • 8 Pin interrups functions with edge/level detection
  • Strong ESD (g. 7000V HBM) and EFT immunity


  • TSSOP20
  • QFN20

Block Diagram


Development tools

  • Nuvoton On-Chip-Debugger (OCD) with KEIL development environment.
  • Nuvoton In-Circuit-Programmer (ICP).
  • Nuvoton In-System-Programming (ISP) via UART.

Development board with In Circuit Emulator (right side)

To receive even more information like technical data sheets or price information please contact an Ineltek office within your area or contact us at