Intel® Arria® 10 Hard Processor System Technical Reference Manual

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

2.2.8.5. SPI Master Controllers

The two SPI master controllers are based on Synopsys* DesignWare* Synchronous Serial Interface (SSI) controller and has a maximum bit rate of 60Mbps. The following features are offered:
  • Programmable data frame size from 4 bits to 16 bits
  • Supports full- and half-duplex modes
  • Supports two chip selects connected to HPS I/O
  • Supports four chip selects connected to the FPGA fabric
  • Direct access for host processor
  • DMA controller may be used for large transfers
  • Programmable master serial bit rate
  • Support for rxd sample delay
  • Transmit and receive FIFO buffers are 256 words deep
  • Choice of Motorola® SPI, Texas Instruments® Synchronous Serial Protocol or National Semiconductor® Microwire protocol