A storage-oriented high-performance bidirectional SPI transmission mechanism

CHEN Liang; CAI Sheng-zhen; LU Li-wan

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A storage-oriented high-performance bidirectional SPI transmission mechanism

更新时间：2026-09-04

- A storage-oriented high-performance bidirectional SPI transmission mechanism
- Vol. 38, Issue 3, Pages: 72-76(2021)
- 作者机构：
  
  1. 福州理工学院计算与信息科学学院,福建,福州,350506
  2. 华中科技大学软件学院,湖北,武汉,430074
- 作者简介：
- 基金信息：
- DOI：
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- Published：2021
- 稿件说明：
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陈亮, 蔡声镇, 卢丽婉. 一种面向存储的高性能双向SPI传输机制[J]. 微电子学与计算机, 2021, 38(3): 72-76,83.

CHEN Liang, CAI Sheng-zhen, LU Li-wan. A storage-oriented high-performance bidirectional SPI transmission mechanism[J]. 2021, 38(3): 72-76.
陈亮, 蔡声镇, 卢丽婉. 一种面向存储的高性能双向SPI传输机制[J]. 微电子学与计算机, 2021, 38(3): 72-76,83. DOI：

CHEN Liang, CAI Sheng-zhen, LU Li-wan. A storage-oriented high-performance bidirectional SPI transmission mechanism[J]. 2021, 38(3): 72-76. DOI：

摘要

在高速大容量的存储系统中，传输通道为实时的双向链路，微控制器无法实时感知存储设备的状态，需要存储设备主动发起数据的传输.针对这种特征，设计了一种面向存储的高性能双向SPI传输接口，并定义了一套可扩展的存储传输协议，实现命令级别和数据级别的传输操作.该设计基于FPGA实现，比对仿真结果表明: 该传输机制支持从设备主动传输，实现真正双向SPI通信，其传输效率相对当前主流Flash存储设备具有明显优势.

Abstract

In a high-speed and large-capacity storage system

the transmission channel is a real-time bidirectional link

and the microcontroller cannot sense the state of the storage device in real time

and the storage device needs to initiate data transmission actively. In response to this feature

a high-performance storage-oriented bidirectional SPI transmission interface is designed

and a set of extensible storage transmission protocols is defined to realize the transmission operations at the command level and the data level. The design is based on FPGA implementation. The comparison simulation results show that the transmission mechanism supports active transmission from the device to achieve true two-way SPI communication

and its transmission efficiency has obvious advantages over mainstream flash memory storage devices.

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references

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