MS51DA9AE

Introduction

The NuMicro® MS51DA9AE from Nuvoton Technology Corporation is a robust and flexible microcontroller within the Industrial 8051 Series, designed on the basis of a powerful 1T 8051 core. This microcontroller facilitates a variety of industrial and consumer applications due to its high-speed operation, large memory capacity, and rich set of peripherals.

Function & Applications

The MS51DA9AE microcontroller is built to meet the demands of several applications such as LED lighting, home appliances, industrial control, motor control, battery management systems, and power supplies. With its diverse mix of features, including multiple communication interfaces, timers, and analog peripherals, it is well-suited for tasks that require reliable performance in a range of environmental conditions.

Performance Parameters

- Operating Voltage: 2.4V to 5.5V, ensuring suitability for various power environments.
- Operating Speed: Clock speeds up to 24 MHz for rapid task processing.
- Temperature Range: Functional from -40 °C to +105 °C, apt for harsh industrial conditions.
- Memory: Incorporates 8 K bytes of Flash memory for program storage and 1 K bytes of SRAM for data, alongside 4 K bytes loader ROM for in-system programming.
- Clocks: Includes a 24 MHz high-speed internal oscillator with ±1% precision at 5V and a 10 kHz low-speed counterpart for various timing-related functions.
- Power Management: Features such as BOD and POR safeguard the microcontroller against power anomalies.

Package Types, Interface & Pin Configuration

The MS51DA9AE comes in a small TSSOP14 package, which conserves space on printed circuit boards. Its interface includes:

- Communication Peripherals: Two UART ports, one I²C bus, and one SPI port enable versatile connectivity options.
- PWM Channels: Contains 6 sets of 16-bit PWM outputs for controlling devices like motors with a high degree of precision.
- GPIO: 12 general-purpose I/O pins and 1 input-only pin provide ample interfacing with other circuit components.

Reliability & Lifespan

Nuvoton has built the MS51DA9AE with reliability at the forefront, ensuring operation in extreme temperatures and resistance to ESD HBM up to 8 kV and EFT up to 4 kV. While specific lifespan data is generally not specified, the robust nature of these features suggests that this microcontroller is built to last for extended periods even under constant industrial use.

Standards & Certifications

The MS51DA9AE complies with industry-standard certifications, although specific standards are not detailed in the provided text. These would typically include certifications relating to EMC, safety, and possibly RoHS for hazardous substances.

Application Cases & Reference Designs

The MS51DA9AE serves in numerous application cases, addressing the complex needs of modern electronics in the target applications highlighted. Nuvoton supports developers with tools like the Nuvoton Nu-Link for programming and debugging, helping to streamline the product development process.

Reference designs utilizing the key features of the MS51DA9AE, specifically its timers, ADC, and communication interfaces, would typically demonstrate the MCUs capacity to manage LED lighting systems, drive motor controls, perform in battery management scenarios, and ensure stable operation in power supplies.

Conclusion

The NuMicro® MS51DA9AE presents itself as a high-functioning, versatile microcontroller that fits a wide spectrum of industrial applications due to its powerful feature set, embracing a legacy 8051 architecture with modern enhancements. Its blend of performance, interfacing options, and reliability make it an excellent choice for designers looking to create sophisticated industrial and consumer electronics.