Nu-Link can program and debug the NuMicro® Family of Microcontrollers. Based on different features, there are five types to choose from : Nu-Link, Nu-Link-Pro, Nu-Link2-Pro sold separately，and Nu-Link-Me & Nu-Link2-Me connected to NuMaker.
All Nu-Link debugger/programmer support :
• Embedded SRAM and Flash read/write
• Direct register control in real-time
• Hardware/software breakpoints insert
• Step-run program under debug mode
• Semihost function under debug mode　

In addition, Nu-Link2-Pro、Nu-Link、Nu-Link-Me and Nu-Link2-Me additionals to support Virtual COM (VCOM) Port function

	Nu-Link2-Pro	Nu-Link-Pro	Nu-Link	Nu-Link2-Me	Nu-Link-Me
Debugging	✓	✓	✓	✓	✓
Online Programming	✓	✓	✓	✓	✓
Offline Programming	✓	✓	✓	✓
VCOM Port	✓		✓ (Nu-Link V3.2 and above are supported)	✓	✓
Bus Monitor	✓
ETM	✓
SWD I/O Voltage	✓ 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
Upgrade	UART/SPI/I²C/ RS-485/CAN/ USB pen drive/MicroSD			UART	UART