M251LG6AE

Microcontrollers Overview

The Nuvoton M251LG6AE is a 32-bit microcontroller based on the Arm Cortex-M23 core, operating at frequencies up to 48 MHz. It features 256 kB of Flash memory, 32 kB of SRAM, and 4 kB of LDROM. The device supports a wide supply voltage range from 1.75 V to 5.5 V and operates within an industrial temperature range of -40 °C to +105 °C. It includes a 12-bit ADC with 12 channels, multiple communication interfaces including USB 2.0, UART, SPI, I2C, and PSIO, along with GPIOs.

Microcontrollers Feature Summary

• Integrates programmable serial I/O (PSIO) hardware capable of generating diverse serial communication formats for various protocols.
• Includes Voltage Adjustable Interface (VAI) supporting multiple pin configurations without requiring external level shifters.
• Features enhanced security mechanisms such as eXecute-Only Memory (XOM), tamper detection pins, and unique identification numbers.

Microcontrollers Applications

• Battery-powered IoT applications
• Smart home devices
• Industrial control systems

Microcontrollers Procurement Notes

Verify the specific ordering suffix against official documentation to ensure correct package type and temperature rating. Confirm availability through authorized distributors as stock levels fluctuate. Ensure compliance with RoHS directives and moisture sensitivity levels before integration into manufacturing processes.

Microcontrollers Selection Notes

Select this model when high memory capacity and robust security features are required alongside low power consumption. Consider the LQFP-48 package constraints and verify that the 48 MHz clock speed meets processing requirements. Evaluate peripheral needs such as USB connectivity and analog input channels against project specifications.

Microcontrollers Part Context

Part of the NuMicro M251 series designed for low-power applications. Shares architectural similarities with the M252 series but lacks certain USB-specific enhancements found in the latter. Designed for cost-sensitive embedded systems requiring reliable performance across varying environmental conditions.

Microcontrollers Replacement Considerations

M252LG6AE offers similar core architecture with additional USB capabilities. M251SG6AE provides comparable performance with different pinout configurations. Verify pin compatibility and peripheral availability before substituting.