NUC220LE3AN

Microcontrollers Overview

The NUC220LE3AN is a 32-bit microcontroller from the NuMicro NUC220 USB Line, embedded with an ARM Cortex-M0 core running up to 50 MHz. It features 128 KB of Flash memory and 16 KB of SRAM. The device supports a wide operating voltage range of 2.5 V to 5.5 V and operates within a temperature range of -40°C to 85°C. Key connectivity includes a USB 2.0 full-speed device interface. Additional peripherals consist of a 12-bit ADC, PWM generators, multiple serial communication interfaces (UART, SPI, I2C), and a Real-Time Clock.

Microcontrollers Feature Summary

• Integrates a USB 2.0 full-speed device controller for direct connectivity applications.
• Includes a built-in high-precision internal oscillator trimmed for accuracy across industrial temperature ranges.
• Supports flexible firmware updates via In-System Programming (ISP) and In-Application Programming (IAP).
• Features high immunity against electrostatic discharge and electrical fast transients.

Microcontrollers Applications

• Consumer electronics devices requiring USB connectivity.
• Security and alarm systems utilizing smart card or serial interfaces.
• Temperature sensor nodes leveraging the on-chip temperature sensor.
• Communication systems employing various serial protocols.

Microcontrollers Procurement Notes

Verify the specific package type and ordering suffix against official Nuvoton documentation before procurement. Confirm that the selected variant matches the required pin configuration and memory size for your design. Ensure compatibility with your development tools and programming interfaces. Check for any recent revisions to the datasheet that may affect electrical characteristics or pin assignments.

Microcontrollers Selection Notes

Select this component when a cost-effective Cortex-M0 solution with integrated USB functionality is required. Consider the 128 KB Flash capacity for complex application code. Evaluate the peripheral set, including ADC channels and serial interfaces, against system requirements. Verify power consumption profiles if battery operation is intended, noting the wide voltage support.

Microcontrollers Part Context

The NUC220LE3AN belongs to the NuMicro NUC220 series, which is part of the broader NuMicro NUC200 family. This series targets applications needing rich communication interfaces at a competitive price point. The NUC220 line specifically emphasizes USB capabilities compared to the advanced line variants.

Microcontrollers Replacement Considerations

NUC220VE3AN: Offers similar specifications but may differ in pin count or peripheral availability. NUC220SD2AN: Provides comparable core performance with potentially different memory configurations. Always verify pin-to-pin compatibility and software register mapping before substitution.