ML51EB9AE

Introduction

The ML51EB9AE is part of the NuMicro® ML51 series, which is a range of low-power microcontrollers that incorporate a 1T 8051 core. Produced by Nuvoton Technology, the series boasts high performance and flexibility, with the ML51EB9AE model being a notable example suitable for a wide range of applications. This series is specifically designed to excel in power efficiency and computational capabilities, making it ideal for modern electronics demanding both low energy consumption and reliable processing power.

Function and Applications

The ML51EB9AE microcontroller is adept at serving multiple functions due to its robust feature set. This includes its use in wearable technology, home appliances, IoT devices, auto-alarm systems, battery management systems, and remote controllers. Its power efficiency coupled with a rich array of peripherals makes it particularly suitable for devices that require longevity in battery life and a versatile communication interface.

Performance Parameters

- Operating Voltage: 1.8V to 5.5V, accommodating a variety of power supplies and battery types.
- Operating Speed: Up to 24MHz, providing swift processing for real-time tasks.
- Temperature Range: -40 ℃ to +105 ℃, ensuring stability across extreme environmental conditions.
- Memory: 16KB Flash for program storage, plus an additional 4KB for ISP.
- SRAM: 1KB for rapid data manipulation.
- Clock Sources: A versatile set from 4MHz to 24MHz through HXT or external sources, and a low-power 32.768kHz LXT oscillator.
- Internal Oscillators: A high-accuracy 24MHz HIRC and a low-power 38.4kHz LIRC.
- Power Management: Efficient modes for normal run, idle, and power-down states.

Package Types, Interface, and Pin Configuration

The microcontroller is available in a TSSOP28 package, affording a compact footprint while still providing up to 24 general-purpose I/O pins. These GPIO pins can be used for a range of functions, including interfacing with sensors, driving actuators, and facilitating human-machine interfaces (HMIs). The assortment of communication interfaces, namely SPI, I²C, UART, and a smart card interface (ISO7816), contribute to its versatility in connecting with other devices and networks.

Reliability and Lifespan

Designed for durable and reliable operation, the ML51EB9AE has a robust design that ensures functionality in various environmental conditions, sustaining throughout its intended lifespan. Components are tested and rated for their ability to endure operational stress over time.

Standards and Certifications

The ML51 series microcontrollers are compliant with industrial standards for performance, safety, and electromagnetic compatibility. Details on specific certifications can be obtained from the manufacturer's datasheets and certification documents.

Application Cases and Reference Designs

This microcontroller can be found across a multitude of applications, such as within a smoke detector acting as the processing core, in an IoT sensor node managing data collection and communication, part of a smart appliance control system, or within a data logger capturing and storing information over time.