Nuvoton’s Nu-Link Debug Adapter is an USB debugger and programmer based on the SWD (Serial Wire Debug) signal interface and can be applied to the development of Nuvoton NuMicro™ Familychips. As shown in Table 2-1, there are three types of the Nu-Link Debug Adapter in accordance with different specifications, including Nu-Link-Pro, Nu-Link, and Nu-Link-Me. The three types are called “Nu-Link Adapter” in general if no specific conditions are mentioned.The Nu-Link Adapter supports ICP (In-Circuit Programming) based on the SWD (Serial Wire Debug) signal interface. The user can employ the NuMicro™ ICP Programming Tool to update chip firmwarefor mass production. The Nu-Link Adapter also supports the third-party development tools, such as Keil RVMDK, IAR EWARM, and CooCox CoIDE.