Intel® Arria® 10 Hard Processor System Technical Reference Manual

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

20.3.1. Interface to HPS I/O

Two sets of SPI Master and two sets of SPI Slave Pins are available to the HPS I/O. The pin names are shown below. For more information on routing SPI signals to HPS I/O, refer to the HPS Component Interfaces chapter.

Table 210.  SPI Master Interface Pins
Signal Name Signal Width Direction Description
CLK 1 Out

Serial clock output from the SPI master

MOSI 1 Out

Transmit data line for the SPI master

MISO 1 In

Receive data line for the SPI master

SS0_N 1 Out

Slave Select 0: Slave select signal from SPI master

SS1_N 1 Out

Slave Select 1: Slave select signal from SPI master

Table 211.  SPI Slave Interface Pins
Signal Name Signal Width Direction Description
CLK 1 In

Serial clock input to the SPI slave

MOSI 1 In

Receive data line for the SPI slave

MISO 1 Out

Transmit data line for the SPI slave

SS0_N 1 In

Slave select input to the SPI slave