NuEclipse
NuEclipse is Nuvoton’s free development environment for creating, building, and debugging NuMicro projects on Windows and Linux.
What NuEclipse is
NuEclipse is Nuvoton’s free development environment for creating, building, and debugging NuMicro projects on Windows and Linux. NuEclipse for NuMicro 8051 supports 64-bit Windows and Linux, while the ARM version covers NuMicro Cortex-M projects and NuMicro Cortex-A bare-metal projects. Nuvoton lists SDCC for NuMicro 8-bit and GCC for NuMicro Cortex-M, with Nu-Link specified as the debugger for both variants. Integrated debugging and flashing are included. The listed ARM downloads are version V1.02.029, dated 2025-03-06. Nuvoton also provides a NuMicro Cortex-M Pack for Visual Studio Code for building, programming, and debugging on Windows and Linux. The maker’s site links technical support, a technical community, a learning center, FAQs, and technical blogs. Both NuEclipse plans are free at no cost.
Good
- Free SDCC and GCC variants
- Supports NuMicro 8-bit and Cortex-M
- Cortex-A bare-metal target support
- Integrated debugging and flashing
- Windows and Linux support
Watch out
- ARM downloads list an older dated release
- Nu-Link is the specified debugger
- Focused on Nuvoton NuMicro targets
Who it suits
NuEclipse suits developers building NuMicro 8-bit, Cortex-M, or Cortex-A bare-metal projects. It is intended for Windows or Linux desktop development.
Verdict
NuEclipse provides free Windows and Linux tools for building and debugging NuMicro projects. Its SDCC, GCC, Nu-Link, and Visual Studio Code options cover several Nuvoton development workflows.
Plans and prices
From NuEclipse's own pricing page, checked 7 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| NuEclipse (GCC) | Free | NuMicro Cortex-M · Nu-Link debugger |
| NuEclipse (SDCC) | Free | NuMicro 8-bit · Nu-Link debugger |
The facts
Each one read from NuEclipse's own pages, with the date it was checked.
What it does
- ARM target support
- NuEclipse for NuMicro ARM lets users create, build, and debug NuMicro Cortex-M projects and NuMicro Cortex-A bare-metal projects.checked 7 Oct 2026
- Compiler variants
- The maker lists NuEclipse variants using SDCC for NuMicro 8-bit and GCC for NuMicro Cortex-M.checked 7 Oct 2026
- Debugger
- The IDE table lists Nu-Link as the debugger for both NuEclipse variants.checked 7 Oct 2026
- Latest listed ARM release
- The listed Windows and Linux NuEclipse ARM downloads are version V1.02.029, dated 2025-03-06.checked 7 Oct 2026
- Purpose
- NuEclipse for NuMicro 8051 lets users create, build, and debug projects on 64-bit Windows and Linux.checked 7 Oct 2026
- Security reporting
- Nuvoton asks that potential product vulnerabilities be reported to its Product Security Incident Response Team and strongly urges encrypting email reports.checked 7 Oct 2026
- Security response
- Nuvoton says to allow seven business days for an initial response to vulnerability reports.checked 7 Oct 2026
- Support resources
- The maker's site links to technical support, a technical community, a learning center, FAQs, and technical blogs.checked 7 Oct 2026
- VS Code option
- Nuvoton also lists a NuMicro Cortex-M Pack for Visual Studio Code that enables building, programming, and debugging projects on Windows and Linux.checked 7 Oct 2026
The company
- Company focus
- Nuvoton says it focuses on microcontroller/audio, cloud security, battery monitoring, component, and visual sensing ICs.checked 7 Oct 2026
- Founded
- Nuvoton says it was spun off as a Winbond Electronics affiliate in July 2008.checked 7 Oct 2026
- Headquarters
- Hsinchu, Taiwanchecked 28 Sep 2026
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