Nu-Link 可对 NuMicro® 家族微控制器进行烧录与在线除错，基于不同特点，共有六款可供选择：包含单独贩卖的 Nu-Link、Nu-Link-Pro、Nu-Link2-Pro 、Nu-Link3-Pro四款，以及连接在 NuMaker系列上的 Nu-Link-Me 与 Nu-Link2-Me。
所有 Nu-Link 除错器与烧录器皆支持：
• 内存与闪存读写
• 实时且直接控制寄存器
• 设置硬件/软件断点
• 步进调试
• 在调试模式下使用 Semihost 功能

另外 Nu-Link3-Pro、Nu-Link2-Pro 、 Nu-Link-Me 和 Nu-Link2-Me 有额外支持虚拟串口 (VCOM) 功能。

	Nu-Link3-Pro	Nu-Link2-Pro	Nu-Link-Pro	Nu-Link	Nu-Link2-Me	Nu-Link-Me	NSP-1-WTR
Supported Product Lines	Microcontrollers, Audio SoCs Family, Audio N57x Series	Microcontrollers, Audio SoCs Family, Audio N57x Series	Microcontrollers, Audio SoCs Family, Audio N57x Series	Microcontrollers, Audio SoCs Family, Audio N57x Series	Microcontrollers, Audio SoCs Family, Audio N57x Series	Microcontrollers, Audio SoCs Family, Audio N57x Series	Audio NSP Series
Debugging	✓	✓	✓	✓	✓	✓
Online Programming	✓	✓	✓	✓	✓	✓	✓
Offline Programming	✓	✓	✓	✓	✓		✓
VCOM Port	✓	✓		✓ (Nu-Link V3.2 以上的版本)	✓	✓
Bus Monitor	✓	✓
ETM	✓	✓
SWD I/O Voltage	✓ 1.8/2.5/3.3/5.0	✓ 1.8/2.5/3.3/5.0	✓ 1.8/2.5/3.3/5.0	✓ 5.0	✓ 1.8/3.3/5.0	✓ 3.3/5.0	✓ 5
Upgrade	UART/SPI/I²C/I3C/RS-485/CAN FD/USB pen drive/MicroSD	UART/SPI/I²C/ RS-485/CAN/ USB pen drive/MicroSD			UART	UART
MicroPython	✓