Advanced System on Chip | 8. AXI UART and AXI4-Stream Peripherals by Pavan | Learn Smarter
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8. AXI UART and AXI4-Stream Peripherals

The chapter provides a comprehensive overview of the AXI UART and AXI4-Stream peripherals, detailing their architecture, operational functionalities, and distinct applications in System on Chip (SoC) design. AXI UART is discussed as an effective means for serial communication, while AXI4-Stream is highlighted for its capabilities in high-performance, continuous data transfers. Furthermore, it emphasizes the importance of both in embedded systems, catering to diverse communication requirements.

Sections

  • 8

    Axi Uart And Axi4-Stream Peripherals

    This section explores the AXI UART and AXI4-Stream peripherals integral to ARM-based SoC designs, detailing their architecture, features, and applications.

  • 8.1

    Introduction To Axi Uart

    The AXI UART is a peripheral that allows communication between an ARM processor and external devices via the UART protocol, utilizing the AXI interface for efficient data transfer.

  • 8.1.1

    What Is Uart?

    UART is a widely used protocol for serial communication, allowing data transfer over a single wire pair without a clock signal.

  • 8.1.2

    Axi Uart Interface

    The AXI UART interface facilitates efficient communication between an ARM processor and external devices using the UART protocol, supporting low-speed, low-latency data transmission in embedded systems.

  • 8.2

    Axi Uart Peripheral Architecture

    This section describes the key components and functionality of the AXI UART peripheral architecture, enabling effective serial communication in embedded systems.

  • 8.2.1

    Core Components Of Axi Uart

    This section details the core components of the AXI UART, outlining how they facilitate serial communication in embedded systems.

  • 8.2.2

    Axi Control Interface

    The AXI Control Interface utilizes AXI4-Lite for configuring UART peripherals, enabling efficient data transfer and management.

  • 8.2.3

    Axi Uart Operation

    This section discusses the operational mechanisms of the AXI UART, including its write and read operations, as well as its interrupt functionalities.

  • 8.3

    Features Of Axi Uart

    This section discusses the key features that enhance the performance and functionality of AXI UART peripherals.

  • 8.4

    Axi4-Stream Overview

    AXI4-Stream provides a high-performance interface for continuous data transfers in SoC, optimizing for unidirectional data streams.

  • 8.4.1

    What Is Axi4-Stream?

    AXI4-Stream is a protocol designed for high-performance, continuous data transfers in System on Chip (SoC) designs.

  • 8.4.2

    Applications Of Axi4-Stream

    AXI4-Stream is a high-performance interface optimized for continuous data transfers, playing a crucial role in various applications like video streaming and networking.

  • 8.5

    Axi4-Stream Peripheral Architecture

    The AXI4-Stream peripheral architecture facilitates high-bandwidth, continuous data transfers using a simplified interface and handshake signals.

  • 8.5.1

    Data Channels

    This section discusses data channels within the AXI4-Stream interface, highlighting their roles, handshake signals, FIFO buffers, and flow control in continuous data transfers.

  • 8.5.2

    Handshake Signals

    Handshake signals in AXI4-Stream provide the necessary communication control to ensure efficient data transfer between components.

  • 8.5.3

    Fifo Buffers

    FIFO buffers are essential components in AXI UART and AXI4-Stream architectures, ensuring efficient data storage and transfer.

  • 8.5.4

    Flow Control

    Flow control in AXI UART and AXI4-Stream refers to mechanisms that manage the flow of data between devices to ensure data integrity and communication efficiency.

  • 8.6

    Advantages Of Axi4-Stream

    AXI4-Stream provides numerous benefits for high-bandwidth, continuous data transfer applications, including low latency and high throughput.

  • 8.7

    Use Cases Of Axi Uart And Axi4-Stream In Soc Design

    This section discusses the applications of AXI UART and AXI4-Stream in System on Chip (SoC) designs, highlighting their role in handling various types of data communication.

  • 8.8

    Conclusion

    The conclusion summarizes the significance of AXI UART and AXI4-Stream in ARM-based SoC designs.

References

eeoe-asc-8.pdf

Class Notes

Memorization

What we have learnt

  • AXI UART enables efficient ...
  • The AXI4-Stream interface i...
  • Both peripherals cater to d...

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