# Secure peripheral image loading

The secure peripheral image loading (PIL) of a TrustZone authenticates
different images and configures the xPUs for all subsystems such as
audio, camera, and video.

For more information about xPU, see [Access control](https://docs.qualcomm.com/doc/80-70017-11/topic/access-control.html#access-control).

Last Published: Jan 30, 2025

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