Axithe third 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 submicrometer interconnect platform designer standard interconnect acknowledges the cacheable modifiable attribute of axi transactions. Amba4 axi4 interconnect standard and its subsequent availability in xilinx ise design. Xilinx ds820 logicore ip axi ep bridge for pci express v1. Generating axi interconnect simulation files xilinx. The use of axi interconnect, memory interface generator mig, and vdma ip blocks can form the core of. Chapter 1 overview the axi datamover is a key interconnect infrastructure ip that enables high throughput transfer of data between the axi4 memorymapped and axi4stream domains. The axi datamover provides the mm2s and s2mm axi4stream channels that operate. The axi interconnect core detects illegal axi4lite transactions from connected axi4. Then i decided to use my master with a crossbar and two timers. The axi interconnect ip can only be added to a vivado ip integrator block design in the. The ip supports a ulpi interface on the usb phy side.
Xilinx wp417 maximize system performance using xilinx based. The axi protocol also ensures an efficient, flexible, and predictable means for transferring data. Xilinx ds763 logicore ip axi timebase watchdog timer axi. This issue supersedes the previous r0p0 version of the specification. International journal of engineering research and general science volume 2, issue 4, junejuly, 2014. Xps provides native support for axi interconnect ip, allowing.
Axi masters and slaves can be connected together using axi infrastructure ip blocks. The axi interconnect core is comprised of multiple logicore ip instances infrastructure cores. Im trying to understand the axi bus, starting with the lite version. This video gives a very basic understanding of what is axi. Designing highperformance video systems in 7 series. Product specification introduction the xilinx logicore ip axi interconnect core connects one or more axi memorymapped master devices to one or more memorymapped slave devices. I cant start transaction from master immediatly after reset was removed.
The axi interconnect core splits burst transactions of more than 16 beats from. Xilinx wp379 axi4 interconnect pave the way to plugandplay. Unfortunetly, xilinx seems to be discouraging users from using this core, in favor of the silly ip integrator version. Xilinx axi interconnect ip and the newer axi smartconnect ip contain a. Connecting axi interconnect core slaves and masters. Tutorial design description this tutorial is based on a simple nonprocessor based ip integrator design. Xilinx ds799 logicore ip axi video direct memory access. Interconnect, master and slaves have common reset signal.
Axi interconnect between four master and four slave interfaces. Axi interface based kc705 embedded kit microblaze processor subsystem data sheet ds669 v2. The hardware requirements for this reference system are. A typical microblaze processor configuration is shown in figure 2. The axi lite interface module provides an axi4lite interface. Hi friends, while generating axi interconnect in vivado 2016 block design i did not understand the slace and master interface options. Axi interconnect ip axi interconnect ip that converts axi3 transactions from the processing system7 ip to axi4 transactions for the xadc wizard ip. As part of this commitment to the axi4, xilinx adopted it as the nextgeneration ip interconnect standard for 7series, spartan6, virtex6, and future device families going forward. The xilinx axi interconnect ip and the newer axi smartconnect ip contain a configurable number of axi compliant master and slave interf aces, and can be used to route transactions between one or more axi masters and slaves. The xilinx axi interconnect ip contains a configurable number of axi compliant master and slave interfaces, and can be used to route transactions between one or more axi masters and slaves. The axi interconnect ip is described in xilinx axi interconnect core ip, page 14. The core is designed as an axi endpoint slave ip for integration with the axi interconnect and system master devices to. I run modelsim standalone so i need to generate the simulation files first.
When connecting one master to one slave, the axi interconnect core can optionally. Lower performance non bursting interconnect saves programmable logic. Product specification format reference manual ug642. And it works fine, i can read and write from the timer. When connecting one master to one slave, the axi interconnect core can. The axi interconnect ip is described in xilinx axi interconnect ip, page 20. Axi is an interconnect system used to tie processors to peripherals axi full memory map.
Amba axi and ace protocol specification axi3, axi4, and. Keywords and phrases axi bus, bandwidth reservation, hardware acceleration. The steps for configuring a slave dma are listed here and described in. Axi masters and slaves can be connected together using a structure called an interconnect block. Hi im using axi interconnect to do both data width and clock conversion. The axi interconnect ip is described in xilinx axi interconnect core ip, page 19. The axi interconnect ip is provided as an encrypted, nonlicensed. The systems microprocessor has access to the axi vdma through the axi4lite interface. Xilinx ds669 axi interface based kc705 embedded kit. The axi dma slave driver communicates to the xilinx axi dma driver using a linux dma engine api framework. The axi interconnect detects illegal axi4lite transactions from axi4.
Contribute to mmxsrupaxi4interface development by creating an account on github. The xilinx axi interconnect ip contai ns axi compliant master and slave interfaces, and can be used to route transactions between one or more axi masters and slaves. When connecting one master to one slave, the axi interconnect can optionally perform. Read and write transactions from axi are translated into equivalent ip interconnect ipic transactions. Axi4 interfaces are used for the highspeed data movement and buffer descriptor fetches across the axi. Intended audience this specification is written to help hardware and software engineers who want to become familiar with the advanced microcontroller bus architecture amba and. The axi timebase watchdog timer modules are described in the following sections.
My ddr3 is driven with a 200mhz clock at a 128 bitwidth, while my custom vhdl code to both read and write from it is using a 55mhz clock thus fully asynchronous with the ddr clock and a width of only 32. To optimize the system to balance performance and area, multiple axi interconnect blocks are used to implement segmentedhierarchical axi interconnect networks with each axi interconnect block individually tuned and optimized. The register interfaces of the axi timebase watchdog timer connect to. Designing highperformance video systems in 7 series fpgas. Ds768 december 14, 2010 product specification functional description figure 1 shows to topmost axi interconnect block diagram. Together, the axi interconnect and axi mig implement a highbandwidth, multi ported memory controller mpmc for use in applications where. The axi interconnect core is intended for memorymapped transfers only. This interconnect also performs datawidth conversion to connect the 64bit hp port to the 32b it interfaces of axi dma. Weve been doing this for xilinx designs, well forever. Some implementations of the interconnect, such as the xilinx. I implemented a design writing my own master and connecting it to a xilinx ip slave the axi timer to see if it works. International journal of engineering research and general. It contains a few peripheral ip cores and an axi interconnect core, which connects to an external onboard processor.
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