Hard Processor System Technical Reference Manual: Agilex™ 5 SoCs

ID 814346
Date 4/01/2024
Public
Document Table of Contents

5.7.5.2. Initiator Interface

The initiator interface includes a built‑in DMA controller. The DMA controller moves data between external memory and the media access controller (MAC).

The USB L3 Initiator HPROT Register (l3master) in the system manager controls the properties of the initiator interface. These bits provide access information to the L3 interconnect, including whether or not transactions are cacheable, bufferable, or privileged.

Note: You can update the bits in the l3master register only when the initiator interface is guaranteed to be in an inactive state.