M252SG6AE

Introduction

The NuMicro® M252SG6AE is an advanced member of the M251/M252 series, developed by Nuvoton. It is a versatile, low-power microcontroller built on the Arm® Cortex®-M23 core and designed primarily for industrial control applications. Running up to 48 MHz and offering a wealth of capability including up to 256 KB Flash, 32 KB SRAM and much more, it is packaged to meet the precise needs of IoT and other applications prioritizing power consumption.

Function & Applications

Designed to operate in a wide supply voltage range of 1.8 ~ 5.5 V and temperature range of - 40 ℃ ~ + 105 ℃, this product is optimized for power efficiency in battery-powered devices. It offers five different power modes and facilitates low power UART transmission rate up to 9600 bps in power-down mode. It also includes five types of power modes and three kinds of secure protect mechanisms, making it adaptable for a variety of applications.

Applications span across industries such as Smart Homes and appliances, Industrial Automation, Smart City, IoT devices, Security Alarm Systems, Electronic Payments, Communication Modules and more.

Performance Parameters

The NuMicro® M252SG6AE touts impressive low power consumption characteristics across various modes. Normal Run mode consumes 138 µA / MHz at 48 MHz, with other modes demonstrating further power efficiency. It also integrates RTC with an independent VBAT voltage source pin to support a low power mode, even with the main power off.

Package Types, Interface & Pin Configuration

Offered in the LQFP64 (7 mm x 7 mm) package type, this microcontroller benefits from pin-to-pin compatibility within the same package easing product feature and performance optimization. Interfaces include UART, SPI, I2C, USB, QSPI and more, making it a versatile solution for a wide array of communications needs.

Reliability & Lifespan

The M252SG6AE has been designed to operate within a wide temperature range, demonstrating its durability under different environmental conditions. It can function in temperatures ranging from -40℃ to 105℃, ensuring reliability in various settings.

Standards & Certifications

Nuvoton has equipped this microcontroller with the safety library that complies with the IEC-60730 standards for Class B safety function. This means the features, performance, and reliability of this microcontroller meet the international safety standards, enhancing trustworthiness.

Application Cases & Reference Designs

The performance metrics exhibited by the NuMicro® M252SG6AE make it an ideal choice for multiple IoT applications. Its extensive range of peripherals, low power consumption, support for 5V operating voltage and high immunity performance (7KV ESD and 4.4KV EFT) means it can play a key role in addressing needs in Smart City, Home, and Industrial applications. The chip has protection mechanisms to ensure reliable performance in these applications.

Nu-Link and Nu-Link-2-Pro debuggers, along with third-party IDEs such as Arm Keil MDK, IAR EWARM, and NuEclipse IDE with GNU GCC compilers provide robust support for product development. Overall, the NuMicro® M252SG6AE microcontroller's combination of power, efficiency, security and versatility make it a formidable contender in the rapidly growing IoT landscape.