M0A21EC1AC

Microcontrollers Overview

The Nuvoton M0A21EC1AC is a 32-bit microcontroller based on the Arm Cortex-M0 core, designed for high-temperature and high-interference applications. It features a TSSOP28 package with up to 26 I/O pins configurable for digital peripherals. The device supports a wide operating voltage range of 2.4V to 5.5V and operates at frequencies up to 48 MHz. Key specifications include 16 KB Flash memory, 4 KB SRAM, and 2 KB LDROM for ISP updates. It integrates rich analog interfaces, including a 17-channel 12-bit ADC with 500k SPS sampling rate, one 5-bit DAC, and two comparators.

Microcontrollers Feature Summary

• Supports operation in high-temperature environments up to 125°C with enhanced interference immunity.
• Provides flexible pin configuration allowing any I/O to be assigned to digital peripherals such as UART, SPI, or PWM.
• Integrates extensive analog capabilities within a compact TSSOP28 package to reduce external component count.

Microcontrollers Applications

• 24 GHz millimeter-wave radar systems
• Automotive lighting controls
• Smart power modules

Microcontrollers Procurement Notes

Verify the specific suffix 'EC1AC' against official Nuvoton documentation to confirm pinout and feature set compatibility. Ensure that the TSSOP28 package dimensions align with your PCB layout requirements. Confirm that the 125°C operating temperature rating meets your environmental design specifications before finalizing procurement.

Microcontrollers Selection Notes

Select this model when a small form factor is required alongside robust analog performance and high-temperature resilience. The combination of a 17-channel ADC and flexible digital I/O makes it suitable for sensor-heavy designs. Consider the 48 MHz processing speed and available memory size relative to your firmware complexity and data handling needs.

Microcontrollers Part Context

This component belongs to the NuMicro M0A21 series, which targets automotive and industrial sectors requiring reliability under harsh conditions. The series emphasizes miniaturization through packages like TSSOP28 while maintaining full peripheral functionality. It serves as a control unit for applications demanding precise analog sensing and digital communication in constrained spaces.

Microcontrollers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official Nuvoton documentation for potential cross-references or newer revisions within the M0A21 family.