Hard Processor System Technical Reference Manual: Agilex™ 5 SoCs

ID 814346
Date 7/19/2024
Public

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5.6.5.5. Packet FIFO Controller

The application interface unit (AIU) generates DMA requests based on programmable FIFO buffer thresholds. The AIU generates interrupts to the GIC for both host and device modes. A DMA scheduler is included in the AIU to arbitrate and control the data transfer between packets in system memory and their respective USB endpoints.