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Benefits

  • Latest SPI Support – Always aligned with the evolving SPI standard.
  • Cross-Protocol Flexibility – Works seamlessly across different bus protocols.
  • Early Validation – Detect packet errors and latency issues before deployment.
  • Performance Insight – Measure synchronization, throughput, and buffer utilization.
  • Scalable Design – From embedded devices to high-speed optical systems.

The SPI3 Bus Interface Model in VisualSim demonstrates how data transactions move from the Link Layer to the PHY Layer for high-speed transmission over serial and optical buses.

This model supports 32-bit transfers and includes a unique data structure (SPI3_DS) to handle key packet fields such as Packet_Type, Start_Packet, End_Packet, and Error_Packet. VisualSim enables designers to simulate and analyze SPI3 bus transactions, validate timing and synchronization, and optimize performance for high-speed communication systems.

Importantly, the VisualSim SPI library is kept up-to-date with the latest SPI standard versions and can be configured to work seamlessly across multiple serial protocols.

Overview

  • Link Layer – Manages data fragmentation and prepares packets.
  • PHY Layer – Handles low-level data transmission.
  • FIFO Queues – Stores fragmented packets for smooth flow.
  • Timing & Synchronization – Ensures accurate transaction flow.

Supported Standards

  • Latest SPI protocol versions (backward-compatible).
  • Cross-protocol adaptability with other high-speed serial buses.

Key Parameters

  • Traffic_Mean_MHz – Average data rate.
  • Traffic_Spread_Multiplier – Variability factor in data load.
  • Traffic_Max_Bytes – Maximum transaction size.
  • Bus_Width_Bytes – Transfer width per transaction.

Parameter Snapshots

  • DS Source Parameter

Simulation Results

  • Latency and Synchronization Studies
  • Buffer Utilization Reports
  • Throughput and Error Rate Analysis
  • Cross-Protocol Interoperability Validation
  • Stats
  • Latency

Application

  • Optical Networking – High-speed packet transfers.
  • Embedded Systems – SPI-based communication between SoCs and peripherals.
  • Data Transfer Protocols – Real-time communication requiring deterministic timing.
  • Custom SPI Controllers – Design and verification of new implementations.
  • Multi-Protocol Systems – SPI integrated with I²C, UART, or proprietary buses.

Integrations

  • Works with processors, DMA engines, and memory controllers.
  • Connects to NoCs and interconnect blocks for system-level integration.
  • Interfaces with custom peripheral models for embedded and optical systems.

View Demo

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