On google i can only find these documents:
https://www.nxp.com/docs/en/user-guide/xPC564xLEVB_UM.pdf
https://cache.nxp.com/docs/en/user-guide/xPC56xLADPT144S.pdf?fsrch=1&sr=1&pageNum=1
but i'm not really sure it fits for the board i'm using.
Hi, here is the link where you can download the whole content of xPC56XXEVB Resource CD, it contains all needed documents (user guides, schematics,..) and up to date:
http://www.pemicro.com/downloads/download_file.cfm?download_id=296
It is needed to be registered on their site.