AMBA AXI and ACE Protocol Specification AXI3, AXI4, and AXI4-Lite, ACE and ACE-Lite. This document is only available in a PDF version to registered ARM. Home · Documentation; ihi; f – AMBA AXI and ACE Protocol Specification AXI3, AXI4, AXI5, ACE and ACE5; AMBA AXI and ACE Protocol Specification AXI3. The Arm AMBA specifications are an open interface standard, used across the AXI (Advanced eXtensible Interface): The most widespread AMBA interface.
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The AXI4-Stream protocol is designed for unidirectional data transfers from master to slave with greatly reduced signal routing.
AMBA AXI and ACE Protocol Specification AXI3, AXI4, AXI5, ACE and ACE5
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AMBA AXI4 Interface Protocol
All transactions have a burst length of one All data accesses are the same size as the width of the data bus Exclusive accesses are not supported AXI4-Stream The AXI4-Stream protocol is designed for unidirectional data transfers from master to slave with greatly reduced signal routing.
ChromeFirefoxInternet Explorer 11Safari. Supports single and multiple data streams using the same set of shared wires Supports multiple data widths within the same interconnect Ideal for implementation in FPGAs.
The interconnect is decoupled from the interface Extendable: Enables you to build the most compelling products for your target markets.
AXI4-Lite is a subset of the AXI4 protocol intended for communication with simpler, smaller control register-style interfaces in components.
The key features of the AXI4-Lite interfaces are: Important Information for the Arm website. The AXI4 protocol is an update to AXI3 which is designed to enhance the performance and utilization of the interconnect when used by multiple masters. Key features of the protocol are:. The key features of the AXI4-Lite interfaces are:. Performance, Area, and Power. Xilinx users will enjoy a wide range of benefits with the transition to AXI4 as a common user interface for IP.
Was this page helpful? Supports both memory mapped and streaming type interfaces Provides a unified interface on IP across communications, video, embedded and DSP functions Is easy to use, with features like automatic pipeline instantiation to help you more easily hit a specific performance target Is equal to or better than current solutions in key attributes, such as fMAX, LUT usage, latency, and bandwidth.
AMBA AXI and ACE Protocol Specification AXI3, AXI4, and AXI4-Lite, ACE and ACE-Lite
All interface subsets use the same transfer protocol Fully specified: Enables Xilinx to efficiently deliver enhanced native memory, external memory interface and memory controller solutions across all application domains. We appreciate your feedback.
Support for burst lengths up to beats Quality of Service signaling Support for multiple region interfaces AXI4-Lite AXI4-Lite is a subset of the AXI4 protocol intended for communication with simpler, smaller control register-style interfaces in components.