MS51XC0BE

Introduction

The NuMicro® MS51XC0BE is a robust 8051-based microcontroller from the industrial series developed by Nuvoton Technology. The device is engineered to deliver high performance, reliability, and flexibility for a variety of industrial and consumer applications. This microcontroller combines leading-edge features with a cost-effective approach, making it ideal for projects requiring sophisticated control capabilities alongside economic efficiency.

Function & Applications

The MS51XC0BE microcontroller serves a multitude of functions across several domains. It is specifically tailored for applications such as LED lighting, home appliances, industrial control, motor control, battery management systems, and power supplies. Its rich peripheral integration and robust I/O capabilities enable developers to design systems that can manage complex tasks while maintaining efficient power consumption and reliable performance.

Performance Parameters

The microcontroller is equipped with a 1T 8051-based CMOS core that runs up to 24 MHz. It features a high-density 32 KB Flash memory for program storage and 2 KB of SRAM for data operations. An additional 4 KB is allocated for a user-programmable loader ROM, with In-Application-Programming (IAP) capabilities. It includes two 16-bit timers, a unique self wake-up timer, a watchdog timer, and can handle 12 channels of 16-bit PWM outputs for precise motor control and other time-dependent tasks.

Package Types, Interface & Pin Configuration

Offered in a QFN20 package, the MS51XC0BE incorporates various communication interfaces including two UART ports, one I²C bus, and one SPI port for diverse connectivity options. With 18 GPIO pins and one for input only, all equipped with interrupt capabilities, programmable pull-ups, and pull-lows, this microcontroller offers considerable versatility in connecting with external devices and sensors.

Reliability & Lifespan

The MS51XC0BE is built to operate reliably within a wide temperature range of - 40 °C to + 105 °C and is powered by a voltage range of 2.4V to 5.5V. It is designed with brown-out detection and various low-power modes to ensure steady operation under fluctuating conditions ensuring a long lifespan for the devices it powers.

Standards & Certifications

Nuvoton's MS51 series, including the MS51XC0BE, has been developed in compliance with standard industrial specifications for reliability. The device demonstrates robust Electrostatic Discharge (ESD) resistance of 8 kV and Electrical Fast Transients (EFT) resistivity of 4 kV, indicating its suitability for challenging electrical environments.

Application Cases & Reference Designs

For application cases and reference designs, the MS51XC0BE is an excellent choice for sophisticated LED lighting systems that require dimming and color mixing functionalities. In home appliances, it can be utilized for control panels and sensors integration. The microcontroller's ability to handle complex algorithms makes it suitable for advanced industrial control systems and precision motor control in automation.

For designers and developers, the MS51XC0BE is supported by Nuvoton's development tools such as the Nu-Link with KEILTM and IAR development environments and Nuvoton's In-System-Programming (ISP), which facilitates efficient development cycles from prototype to production.

The NuMicro® MS51XC0BE, with its intricate blend of power management, memory flexibility, robust peripheral set, and durability, stands as a highly capable microcontroller that meets the demands of modern, intricate electronic designs for industry and consumer use.