Agilex™ 7 Hard Processor System Technical Reference Manual

ID 683567
Date 1/31/2025
Public

Visible to Intel only — GUID: vzj1481130643347

Ixiasoft

Document Table of Contents

21.4.3.1. RTC Flow Control Trigger

RTC is an RX FIFO Almost-Full Trigger, where "almost full" refer to two available slots in the FIFO.

The UART controller uses two separate trigger levels for a DMA request and handshake signal (rts_n) in order to maximize throughput on the interface.