M261SIAAE

Introduction

The NuMicro® M261SIAAE microcontroller is part of the robust and power-efficient M261/M262/M263 Series developed by Nuvoton Technology. This series is designed to cater to the growing demands of IoT applications with a focus on energy efficiency and security. It incorporates the Arm® Cortex®-M23 core, adhering to the Armv8-M architecture, and it offers a host of features such as dual bank Flash memory for OTA firmware updates, a range of low-power modes, and advanced security features.

Function & Applications

The M261SIAAE microcontroller supports a broad spectrum of IoT applications through its multiple power modes and robust security features. Low power operation is maintained with multiple power-down modes and a fast wake-up capability. Secure boot and eXecute-Only-Memory (XOM) ensure software integrity and protect against unauthorized access making it useful for:

- Smart Homes & Appliances
- Industrial Control & Automation
- Smart City Infrastructure
- IoT Devices & Wireless Sensors
- Electronic Payments
- Portable Data Collectors
- Handheld Medical Devices

Performance Parameters

- Operating Voltage: 1.8V to 3.6V
- Operating Temperature: -40°C to +105°C
- CPU Frequency: Up to 64 MHz
- Flash Memory: 512 kB with OTA support
- SRAM: 96 kB
- Low Power Consumption: As low as 97 µA/MHz in LDO mode and even less in multiple power-down modes.
- Analog and digital peripherals for flexible interfacing with external devices and comprehensive module connectivity

Package Types, Interface & Pin Configuration

The device is available in a LQFP64 (7 mm x 7 mm) package, providing compatibility and easy scaling within the series. Interfaces include:

- Multiple UART, I²C, and SPI/USCI interfaces
- PWM Channels
- ADC and DAC channels
- Smart Card interface
- Secure Digital Host Controllers
- Voltage Adjustable Interfaces for flexible I/O voltages
- EBI for expanded external bus applications

Reliability & Lifespan

Nuvoton microcontrollers are known for their reliability and the M261 Series is designed for a prolonged operational lifespan. Specific reliability and lifespan metrics would typically be detailed in the microcontroller's datasheet or reliability report.

Standards & Certifications

The device adheres to industry standards for low-power operation and secure data communications. These may include certifications for Integrated Circuit standards, environmental compliance, and potentially industry-specific certifications for targeted applications (e.g., automotive, industrial).

Application Cases & Reference Designs

Nuvoton provides resources such as the NuMaker M261 evaluation boards and relevant IDEs support to facilitate the development of applications using this microcontroller. Application cases include the aforementioned target applications, and reference designs are available to provide starting points for common use cases in the device's intended markets.

Please note that specific application cases, detailed technical parameters, and additional certifications should be referenced directly from Nuvoton's documentation for the most accurate and up-to-date information.