Implementation of the communication protocols SPI and I2C using a FPGA by the HDL-Verilog language

Abstract

Currently, the most used serial communication protocols to exchange information between different electronic embedded devices are the SPI and I2C. This paper describes the development and implementation of these protocols using a FPGA card. For the implementation of each protocol, it was taken into account different modes of operation, such as master/slave mode sending or pending data mode. For the implementation of the I2C protocol was necessary to perform a tri-state buffer, which makes a bidirectional data line for a successful communication between devices, allowing to take advantage of these sources provided by the FPGA. Verilog is a hardware description language better known as HDL and it was used in the work to implement and simulate these communication protocols with the software version 14.7 of Xilinx ISE Design Suite.

Packet Analysis: a Model Implementation of a Special Communication Protocol Using Micro Programming

“…Although there are various works made towards implementing communication protocols, such as [1,16,9,8,25,3,6,23], a study of developing a novel methodology to develop an algorithm, which simulates communication protocols using micro-programming, does not exist yet (at least it is extremely rare published as a study).…”

OPERATION PRINCIPLE, ADVANCED PROCEDURES AND VALIDATION OF A NEW FLEX-SPI COMMUNICATION PROTOCOL FOR SMART IoT DEVICES

“…The purpose that has led to the ideation of this communication protocol is obtaining a fully shared SPI bus, with a fixed amount of wires, without renouncing to the advantages of a pushpull output stage and obtaining an architecture capable of great flexibility [16]. All the four signals of a classic SPI protocol are entirely shared by the slaves on the bus: when a master wants to communicate with a particular device, it will perform an addressing at packet level, whose specifications will be discussed later.…”

FRAMEWORK IMPLEMENTATION, FIRMWARE DEVELOPMENT AND CHARACTERIZATION OF FLEX-SPI COMMUNICATION PROTOCOL: ENERGY CONSUMPTION ANALYSIS AND COMPARISON WITH I2C STANDARD

“…This paragraph report on FlexSPI energy consumption characterization, using the results to perform a comparative analysis with I 2 C standard: this protocol features, in fact, make it a direct competitor of developed FlexSPI when pure data transfer are considered [9] [10] [11].…”