> For the complete documentation index, see [llms.txt](https://nxp.gitbook.io/nxp-cup/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://nxp.gitbook.io/nxp-cup/2024-fall-2025-nxp-cup-bare-metal-drivers/s32-design-studio-usage-tips/adding-rtd-drivers.md).

# Adding RTD drivers

To add another RTD driver, such as UART, press the green add button next to MCAL

<figure><img src="https://2412084329-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-L9GLtaxrQtBdBRsFIJB%2Fuploads%2FkpJZBOeILc6Xy9jrZcgO%2Fimage.png?alt=media&amp;token=a802e80c-3640-4c87-86ed-f53f624b3900" alt=""><figcaption><p>List of drivers added in your project</p></figcaption></figure>

In the new window, **select&#x20;*****All*****&#x20;in the dropdown box at the top.** Click on the driver you need to add to your project and press ok.

<figure><img src="https://2412084329-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-L9GLtaxrQtBdBRsFIJB%2Fuploads%2FSaJRPfF8AotQFZWyp7xw%2Fimage.png?alt=media&amp;token=d324c92b-8585-4ed6-a50d-b2901fab55f7" alt=""><figcaption></figcaption></figure>