Arria V Hard Processor System Technical Reference Manual

ID 683011
Date 12/02/2022
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 offer the following features:
  • Programmable data frame size from 4 bits to 16 bits
  • Supports full- and half-duplex moces
  • Direct access for host processor
  • DMA controller may be used for large transfers
  • Transmit and receive FIFO buffers are 256 words deep