The Nuvoton MS51FB9AE Development Board is a complete learning and prototyping platform built around the NuMicro® MS51FB9AE 8-bit 1T 8051 microcontroller. Designed for students, embedded engineers, and product developers, this board provides all the essential interfaces required to learn, develop, debug, and test embedded applications.

With an on-board Nu-Link programmer/debugger, users can directly program and debug firmware using Keil C51 and Nuvoton development tools without requiring any external programmer. The board also features regulated power supplies, GPIO expansion headers, user LEDs, push buttons, and communication interfaces, making it ideal for rapid embedded development.

Key Features

• Nuvoton MS51FB9AE 8-bit 1T 8051 Microcontroller
• On-board Nu-Link Programmer & Debugger
• USB programming and debugging support
• Compatible with Keil C51 IDE
• Supports ISP (In-System Programming)
• Integrated 5V & 3.3V regulated power supplies
• DC barrel jack power input
• Power ON LED indicator
• User programmable LED
• User push button
• Reset push button
• Full GPIO breakout headers
• UART interface header
• SPI interface support
• I²C interface support
• ADC input support
• PWM output support
• Breadboard-friendly pin layout
• Compact PCB for learning and prototyping

Microcontroller Specifications

• MCU: Nuvoton MS51FB9AE
• Core: High-speed 1T 8051
• Maximum Clock: 24 MHz
• Flash Memory: 16 KB
• SRAM: 1 KB
• Operating Voltage: 2.4V – 5.5V
• GPIO: Up to 18 GPIO pins
• UART: 2
• SPI: 1
• I²C: 1
• ADC: 8-channel 12-bit
• PWM: 6-channel 16-bit
• Watchdog Timer & Timers/Counters included

On-board Hardware

• MS51FB9AE MCU
• Nu-Link Programmer/Debugger
• 5V Regulator (7805)
• 3.3V Output Header
• 5V Output Header
• Reset Switch
• User Push Button
• User LED
• Power LED
• GPIO Expansion Headers
• UART Header
• Power Connector
• Power Selection Circuit

Applications

• Embedded Systems Learning
• 8051 Microcontroller Training
• College & Engineering Lab Experiments
• Industrial Control Prototypes
• Home Automation
• IoT Gateway Interface Development
• Sensor Interfacing
• Motor Control
• LED Lighting Projects
• Communication Protocol Development (UART, SPI, I²C)

Package Includes

• 1 × Nuvoton MS51FB9AE Development Board
• 1 × On-board Nu-Link Programmer/Debugger
• 1 × USB Programming Cable (if included with your product package)

Why Choose This Board?

• Ready-to-use development platform
• No external programmer required
• Professional PCB with clearly labeled pins
• Ideal for beginners and professionals
• Perfect for education, research, and product prototyping