MS51XB9AE

Introduction

The NuMicro® MS51XB9AE is an industrial-grade microcontroller from the MS51 series, produced by Nuvoton. It employs a 1T 8051 core and is engineered to operate at speeds up to 24 MHz. With its Flash memory of 16 Kbytes, SRAM of 1 Kbyte, and an additional 4 Kbytes of loader ROM designated for In-System Programming (ISP), the MS51XB9AE is a versatile and reliable choice for a myriad of applications in the industrial and consumer markets.

Function & Applications

This device has been optimized for applications requiring accuracy, robust control, and flexible connectivity. The applications targeted by the MS51XB9AE include:

- LED lighting systems
- Home appliances
- Industrial controls
- Motor control units
- Battery management systems
- Power supply modules

Performance Parameters

The MS51XB9AE features:

- Voltage Range: 2.4V to 5.5V
- Temperature Tolerance: -40°C to +105°C
- Electrostatic Discharge (ESD) Resistivity: 8 kV
- Electrical Fast Transient (EFT) Resistivity: 4 kV

The core of microcontroller operates at a frequency of up to 24 MHz and supports an instruction set fully compatible with MCS-51, including 4-priority-level interrupts. It includes built-in analog-to-digital converters (ADCs) with up to 8 channels and 500 ksps conversion rates, and six 16-bit PWM channels for precise motor control and other PWM applications.

Package Types, Interface & Pin Configuration

Available in a QFN20 package, the MS51XB9AE offers a range of interfaces such as two UART ports, an SPI port, and an I²C bus, catering to various communication needs. The device provides 18 GPIO pins, with each pin having an interrupt capability and options for programmable pull-ups and pull-lows.

Reliability & Lifespan

The MS51XB9AE is constructed to withstand the rigors of industrial environments, with robust power management featuring brown-out detection and power-on reset capabilities ensuring consistent performance and reliability throughout its operational life.

Standards & Certifications

Nuvoton's MS51 series microcontrollers, which include the MS51XB9AE, comply with industrial standards for quality and reliability. However, specific certifications applicable to the MS51XB9AE model are not detailed in the provided text and would typically be found in the product's datasheet or the manufacturer‚certification documents.

Application Cases & Reference Designs

Nuvoton supports developers with an array of tools such as the Nu-Link In-Circuit-Programmer, compatible with popular development environments like KEILTM and IAR. These tools streamline the development process for applications requiring robust control and multiple connectivity options. Application cases may include advanced LED lighting systems with dimming control or automated battery management systems that require precise ADC measurements and PWM controls.

In summary, the NuMicro® MS51XB9AE is a powerful microcontroller offering high reliability for a wide range of industrial and consumer applications, backed by Nuvoton‚development tools to accelerate system design and implementation.