Intel® Arria® 10 Hard Processor System Technical Reference Manual

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

2.2.8.6. SPI Slave Controllers

The two SPI slave controllers are based on Synopsys DesignWare Synchronous Serial Interface (SSI) controller and has a maximum bit rate of 50 Mbps. The following features are offered:
  • Programmable data frame size from 4 bits to 16 bits
  • Supports full- and half-duplex modes
  • Direct access for host processor
  • DMA controller may be used for large transfers
  • Transmit and receive FIFO buffers are 256 words deep