ML51BB9AE

Introduction

The NuMicro® ML51BB9AE microcontroller (MCU) is a member of the NuMicro® ML51 series, which is part of Nuvoton's low-power 8051 series of MCUs. These microcontrollers integrate a 1T 8051 core and cater to a variety of applications requiring efficient power management and robust performance within a wide range of operating conditions.

Function & Applications

The ML51BB9AE MCU is designed for low-power and high-performance applications such as wearable devices, home appliances, IoT devices, auto-alarm systems, battery management systems, and remote controllers. Its rich set of peripherals and power efficiency make it particularly suitable for battery-operated and power-sensitive designs.

Performance Parameters

The ML51BB9AE operates at speeds up to 24 MHz and provides multiple power modes, including a normal run mode consuming just 80 µA/MHz and a low-power run mode at a mere 15 µA. It has 16 KB of flash memory for program storage and 1 KB of embedded SRAM. With a highly accurate internal HIRC oscillator, a 12-bit SAR ADC, and various timer options including PWM with a dead-zone generator, it delivers a robust and versatile performance for various applications.

Package Types, Interface & Pin Configuration

The MCU is available in a compact MSOP10 package, which provides adequate peripherals including:

- Up to 7 General Purpose I/O (GPIO) pins
- 2 I²C interfaces for multi-master communication
- 2 UART interfaces for serial communication
- 1 SPI interface for high-speed synchronous serial data transfer
- smart card interface compliant with ISO7816

The pin configuration is designed to be versatile for easy integration into system designs.

Reliability & Lifespan

The ML51BB9AE operates within a temperature range of -40 ℃ to 105 ℃, ensuring reliability across various environments. The MCU's design and manufacturing follow stringent guidelines to ensure a long operating lifespan, suitable for long-term deployment in critical applications.

Standards & Certifications

Nuvoton microcontrollers, including the ML51BB9AE, are typically compliant with industry-standard certifications and environmental regulations, ensuring compatibility with global market requirements. However, the specific standards and certifications applicable should be confirmed directly with Nuvoton or official product documentation.

Application Cases & Reference Designs

Nuvoton offers reference designs and application notes for the ML51 series that can serve as starting points for developing smoke detectors, IoT sensor nodes, smart appliances, data loggers, and other applications mentioned. These resources facilitate the rapid development and deployment of applications utilizing the ML51BB9AE microcontroller.

In conclusion, the NuMicro® ML51BB9AE offers an impressive balance of low-power operation, versatile peripherals, and a broad operating voltage range, packaged in a compact and efficient design. Its rich features make it a reliable choice for developers working on a wide array of low-power and high-performance applications.