May 4, 2020

This book is for the AMBA APB Protocol Specification. Intended audience. This book is written for hardware and software engineers who want. to design modules that conform to the AMBA specification. Organization purpose of AMBA AHB or APB protocol descriptions is defined. interconnect specification for the purpose of connecting and managing functional The APB is the member of the AMBA 3 protocol family which implements a.

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This page was last edited on 28 Novemberat APB is designed for low bandwidth control accesses, for example register interfaces on system peripherals. APB is a non-bursting interface. It is supported by ARM Limited with wide cross-industry participation. Sorry, your browser is not specificatiom.

AMBA APB Protocol Specification v2.0

As a workaround, you can group PSELx, and sprcification send the packet to the slave directly. JavaScript seems to be disabled in your browser. Interfaces are listed by their speed in the roughly ascending order, so the interface at the end of each section should be the fastest.

Retrieved from ” https: APB Advanced Peripheral Bus interface is optimized for minimal power consumption and reduced interface complexity. These protocols are today the de facto standard for embedded processor bus architectures because they are well documented and can be used without royalties. It facilitates development of multi-processor designs with large numbers of controllers spefification peripherals with a bus architecture.


Technical documentation is available as a PDF Download. Computer buses System on a chip. Xmba copied the Doc URL to your clipboard.

Advanced Microcontroller Bus Architecture

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This site uses cookies to store information on your computer. From Wikipedia, the free encyclopedia. Important Information for the Arm website. When connecting a wider master to a narrower APB slave, the width adapter converts the wider transactions to a narrower transaction to fit the APB slave data width.

Technical and de facto standards for wired computer speclfication.

Advanced Microcontroller Bus Architecture – Wikipedia

Was this page helpful? Accept and hide this message. This subset simplifies the design for a bus with a single master.

This bus has an address and data phase similar to AHB, but a much reduced, low complexity signal speciffication for example no bursts. AXIthe pdotocol generation of AMBA interface defined in the AMBA 3 specification, is targeted at high performance, high clock frequency system designs and includes features that make it suitable for high speed sub-micrometer interconnect:.

An important aspect of a SoC is not only which components or blocks it houses, but also ptotocol they interconnect. You should then connect the slave side of the bridge to specifiication high speed interface and connect the master side of the bridge to the APB slaves. If you are not happy with the use of these cookies, please review our Cookie Policy to learn how they can be disabled.


Error responses are returned to the master. Signal transitions are sampled at the rising edge of the clock to enable the integration of APB peripherals easily into any design flow. We appreciate your feedback.

By continuing to use our site, you consent to our cookies. Access to the target device is controlled through a MUX non-tristatethereby admitting bus-access to one bus-master at a time. Over specifucation next few months we will be adding more developer resources and documentation for all the products and technologies that ARM provides. APB does not support Write Strobe. AMBA is a solution for the blocks to interface with each other.

A simple transaction on the AHB consists of an address phase and a subsequent data phase without wait states: You can use APB to interface to peripherals which are low-bandwidth and do not require the high performance of a pipelined bus interface.

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