M481LIDAE

Introduction

The M481LIDAE is a model from the NuMicro® M481 Base series developed by Nuvoton Technology Corporation. This microcontroller (MCU) is designed to meet the needs of various applications that require a balance between performance and power efficiency. The series is built on the Arm® Cortex®-M4F core and is suitable for a wide range of industrial and consumer applications.

Function & Applications

The M481LIDAE MCU serves numerous functions across diverse applications. It is particularly suited for IoT devices and data collectors thanks to its low power consumption and robust feature set. The device's digital signal processor (DSP) extension and Memory Protection Unit (MPU) make it capable of handling complex applications involving signal processing and operating system usage, ensuring safety and reliability.

Performance Parameters

- Core: Arm® Cortex®-M4F, up to 192 MHz, 1.25 DMIPS/MHz
- Memory: 512 KB Flash, 160 KB SRAM with 32 KB SPI Flash cache
- Clocks: Various oscillators and an internal PLL for versatile clock generation
- Timer & PWM: Multiple timers and PWM channels, supporting a range of timing and control functions
- Analog Peripheral: ADCs, DACs, comparators, and operational amplifiers for analog interface
- Communication Interface: Comprehensive communication peripherals including UART, SPI, I²C, and more
- Power Efficiency: Dynamic power consumption of 175 µA/MHz
- Operating Characteristics: Voltage range 1.8V to 3.6V, temperature range -40°C to +105°C

Package Types, Interface & Pin Configuration

The M481LIDAE is available in an LQFP48 (Low-profile Quad Flat Package) which offers a compact footprint while still providing access to a versatile set of I/O options. The comprehensive interface capabilities of this MCU enable it to easily interface with other components in a system design.

Reliability & Lifespan

The secure bootloader and protection features like Secure Protection ROM and One-Time Programmable ROM in the M481LIDAE ensure the integrity and security of the system. These features, combined with the robust design capable of operating across a wide temperature range, contribute to the reliability and longevity of the microcontroller in demanding applications.

Standards & Certifications

While the specific standards and certifications are not provided in the provided text, Nuvoton MCUs are generally designed to meet international standards, including EMC, ESD immunity, and other safety and quality certifications applicable to electronics. Users should refer to the full datasheet or contact Nuvoton directly for specific information regarding certifications.

Application Cases & Reference Designs

In practical use, the M481LIDAE MCU would be a good fit for applications such as smart IoT appliances, industrial automation data collection systems, wearable health monitors, and any other application that benefits from a low-power yet capable processing unit. Nuvoton typically provides reference designs and application notes to facilitate the use of their MCUs in such applications.