Hard Processor System Technical Reference Manual: Agilex™ 3 SoCs

ID 848530
Date 6/23/2025
Public

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Ixiasoft

Document Table of Contents

5.10.5.1. Interface to HPS I/O

Table 273.  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 274.  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