ML56MD1AE

Introduction

The Nuvoton NuMicro® ML56 series are low-power microcontrollers based on a 1T 8051 core, providing a range of integrated features such as a built-in LCD driver and capacitive touch key functionality. The ML56MD1AE model within this series is particularly designed to meet the needs of home appliances, thermostats, and handheld meters, providing a robust set of features for these applications.

Function & Applications

Function:
The ML56MD1AE microcontroller includes a capacitive touch key controller supporting 6 touch channels plus 1 reference for user interactions, enhancing the user experience in home automation and measurement devices. Its built-in LCD driver can manage panels with up to 4 COM x 32 SEG, 6 COM x 30 SEG, or 8 COM x 28 SEG, providing flexibility for various display requirements.

Applications:
The ML56MD1AE's design is well-suited for:

- Home appliances with interactive touch interfaces.
- Thermostats that require reliable, low-power operation.
- Handheld meters benefiting from the built-in LCD and touch capabilities.

Performance Parameters

The device operates at speeds up to 24 MHz and can work within a voltage range of 1.8V to 3.6V. It features a 64 KB Flash memory, a 4 KB SRAM, and additional Flash for ISP loader, thus providing ample space and functionalities for complex operations. It also includes a 12-bit SAR ADC that supports 10 channels and provides 500 kSPS, which adds to its analytics capabilities.

Package Types, Interface & Pin Configuration

Package:
The ML56MD1AE comes in a LQFP44 package, making it compatible with a standard layout for easy integration into various designs.

Interfaces:
This microcontroller provides multiple communication interfaces including:

- 2 UART interfaces
- 2 I²C buses
- 2 SPI buses
- 2 smart card interfaces

Pin Configuration:
The chip offers up to 38 GPIO pins, enabling extensive peripheral connectivity. The arrangement of these pins follows the LQFP44 standard, ensuring compatibility with a wide range of hardware modules.

Reliability & Lifespan

The reliability of the ML56MD1AE is ensured through a range of features like CRC-8 checksum for a self-test of Flash memory and a PDMA controller for efficient data transfers, off-loading CPU processes. Nuvoton provides robust design enables operation in a temperature range of -40 ℃ to 105 ℃.

Standards & Certifications

Nuvoton maintains compliance with international standards, though specific certifications for the ML56MD1AE model are not detailed in the provided information. Typically, microcontrollers will meet regulations such as RoHS and may be produced in ISO-certified facilities.

Application Cases & Reference Designs

While specific cases and designs are not provided, the combination of features within the ML56MD1AE makes it ideal for a variety of scenarios where touch-enabled control and display functions are required. Nuvoton's development tools and the touch library support designers in creating intuitive interfaces for their products efficiently.

In conclusion, the NuMicro® ML56MD1AE microcontroller is a powerful, low-power solution designed for a range of applications, particularly in the home appliance and measurement sectors, that demand reliable touch interface control and flexible LCD driving capabilities. Its robust feature set ensures that it can meet the needs of complex and demanding tasks while maintaining cost-effectiveness and ease of integration into larger systems.