Intel® Arria® 10 Hard Processor System Technical Reference Manual

ID 683711
Date 8/28/2023
Public
Document Table of Contents

22.3.1. HPS I/O Pins

There are two UARTs available in the HPS. Signals from both sets of UARTs can be routed to the HPS I/O. For more information on routing UART signals to the HPS I/O, refer to the HPS Component Interfaces chapter.

Table 221.  HPS I/O UART Pin Descriptions

Pin

Width

Direction

Description

RX

1 bit

Input

Serial Input

TX

1 bit

Output

Serial Output

CTS

1 bit

Input

Clear to send

RTS

1 bit

Output

Request to send