The Nuvoton MS51FB9AE Microcontroller is a high-performance 8-bit microcontroller based on the 8051 core, offering enhanced computing power with low power consumption. Operating at up to 24MHz, this compact microcontroller features 16KB of Flash, 1KB SRAM, and PWM, UART, I2C, SPI communication interfaces – making it ideal for industrial control, home appliances, motor drivers, and other embedded applications. Packaged in a TSSOP-20 surface-mount form factor, the Nuvoton MS51FB9AE Microcontroller is optimized for compact PCBs and delivers superior performance at an affordable price, especially suited for cost-sensitive designs requiring real-time control and versatile peripherals. Features: 8-bit high-speed 8051-compatible core Up to 24 MHz operating frequency 16KB Flash memory 1KB SRAM 2× UART, 1× I2C, 1× SPI 6-channel PWM output Multiple timers and watchdog 10-bit ADC with 8 channels Brown-out detector and power-on reset Low-power modes for battery-based applications Operating voltage: 2.5V to 5.5V Specifications: Part Number: MS51FB9AE Make: Nuvoton Tech MCU Core: 8051 Enhanced Max Clock Speed: 24 MHz Flash Memory 16KB SRAM 1KB ADC Resolution 10-bit GPIO Up to 18 configurable I/Os Communication Interfaces UART ×2, SPI ×1, I²C ×1 PWM Channels 6 Package TSSOP-20 Operating Temp. Range -40°C to 105°C Voltage Range 2.5V to 5.5V RoHS Compliant Yes Applications: Home appliances Smart sensors and controllers Motor control systems Industrial automation IoT edge devices Battery-powered gadgets LED lighting control Package Includes: 1 × Nuvoton MS51FB9AE Microcontroller – TSSOP-20
