[AXI spec - Chapter 8. scala . DRAM maintenance and overhead. • It has a rich set of configuration parameters to control AXI functionality. Besides Cortex-A9 master there are the other masters (DMAC, PL AXI masters) and there are AXI interconnects, that are at the same time slaves and masters, and passes write data from multiple sources (slave interfaces), and might interleve them. AXI3 WRITE DATA INTERLEAVING With write data interleaving, a slave interface can accept interleaved write data with different AWID values. sv","contentType":"file"},{"name":"axi. IF is the interface for the API being used. svt_axi_port_configuration:: perf_min_write_bandwidth = -1. 是否支持乱序只与slave有关，与master无关。. Include the AXI Performance Monitor IPs which will display read/write latency and bandwidth. The key features of the AXI protocol are: • separate address/control and data phases. • The data transfers for a sequence of write transactions with the same AWID value must complete in the order in which the master issued the addresses, see Normal write ordering and AXI3 write data interleaving on page A5-79. Wrapper for pcie_us_axi_dma_rd and. The key benefit of a multichannel DRAM system is an improvement in access efficiency due to shorter bursts that more closely match the size of the data types transferring to memory. Develop and analyze applications with graphics and gaming tools, guides, and training for games developers. AXI3 masterSystems and methods consistent with the present invention relate to a Network-on-Chip (NoC) system employing the Advanced eXtensible Interface (AXI) protocol and an interleaving method thereof, and more particularly, to an NoC system employing the AXI protocol and an interleaving method thereof, capable of smoothly transmitting data. The WSTRB [n:0] signals when HIGH, specify the byte lanes of the data bus that contain valid information. IP Facts. AXI3 supports write interleaving. Since AXI has 5 parallel channels running, many wires are used to lay the layout. the AXI3 spec described the following (seen in all AXI spec releases up to and including version F). Memory Interleaving is less or More an Abstraction technique. Include the AXI Performance Monitor IPs which will display read/write latency and bandwidth. **BEST SOLUTION** Finally I solved. interleaving. A single instance of the AXI NoC IP can be configured to include one, two, or four instances of the integrated MC. By disabling cookies, some features of the site will not workYour understanding is correct. AMBA. One major up-dation seen in AXI is that, it includes information on the use of default signaling and discusses the interoperability of components which can’t be. Read now: data analyst course in hyderabad. The build phase is top down because the parent component's build_phase constructs the child. Hi Folks, We need a clarification on Read Data Interleaf on AXI4 Readers Data Interleaving is endorsed on AXI4 additionally following will my understanding on Data Interleaving AXI4 - read data interleaving - Embedded forum - Support forums - Arm Community / Out-of-order execution - WikipediaAXI Interconnect Product Guide v2. There is no write data interleaving in AXI4. In this work, single master and single slave communication using AXI protocol with 32-bit SARM are designed. d. This paper presents a work aimed to design the AMBA AXI4 protocol modeled in Verilog hardware description language (HDL) and simulation results for read and write operation of data and address are. If a slave does not support write data interleaving (see Write data interleaving on page 8-6), the master must issue the data of write transactions in the same order in which it issues the transaction addresses. >In AXI4 multi-master case how/where can i control 2 masters which are trying to access a single slave? First of all, an AXI4 master must not issue interleaved write data. axi_to_mem: AXI4+ATOP slave to control on. Linux ZynqMP PS-PCIe Root Port Driver. So software that reads consecutive memory will need to wait for a memory transfer to. Since the scoreboard is a uvm_component. Note I havenot generated testbench for the my write channel or read channel as there are a lot of signals involved. AXI4 does NOT support write interleaving. Initialization of the AXI Slave VIP Memory Model write data via a backdoor memory write. p. i understood that read transactions enable interleaving. 35 Chapter 2: AXI Support in Xilinx Tools and IPAXI3 data interleaving. AXI Architecture for Write • A write data channel to transfer data from the master to the slave. 1] AXI is a multi-channel bus with 5 independent channels like Write address channel, Read address channel, Write data channel, Read data channel, Write response channel (Read Response is sent. When accessing a slave that supports write data interleaving, write data from different transactions that use the same AWID cannot be interleaved. By continuing to use our site, you consent to our cookies. Wait states are used if the buffer is full, or has less than 128 bytes of available space. The purpose of this page is to describe the the Xilinx Framebuffer Write / Read DMA driver. Calibration Signals 1. Something. The address channel is controlled by AWREADY and the data channel is controlled by WREADY. can simplify the logic used, by not needing to do checks for 4K boundaries on the AXI-Write. Can anybody help me to understand the reasoning behind write data interleaving ordering restriction imposed by AXI spec. In the last article, we introduced AXI, the Advanced Extensible Interface, part of the ARM AMBA specification for SoC design. wvalid { Write valid, this signal indicates that valid write data and strobes are available. Though it’s a bit different from Abstraction. AXI 3 supports both read/write data interleave. Note: The AXI3 write Interleaving feature was removed from the AXI4 specification. AXI3 master devices must be configured as if connected to a slave with a Write interleaving depth of one. Write transaction ID on the GIF is verified for write ID consistency between the AXI and the GIF without write interleaving or out-of-order write responses. AXI3 supports barred transfers, AXI4 does NOT support locked transfers 4. State For Research Reference For And Mission Kirkland. #- Check that the Interconnect is forwarding the correct write data with respect to address issued. AXI Architecture for Write • A write data channel to transfer data from the master to the slave. rototyping. My initial solution was write a Frame of each AXI stream say 1024 samples of each AXI frame and fill up a huge DMA transaction with interleaved AXI streams. This book is for AMBA AXI Protocol Specification. scala . can simplify the logic used, by not needing to do checks for 4K boundaries on the AXI-Write. Besides Cortex-A9 master there are the other masters (DMAC, PL AXI masters) and there are AXI interconnects, that are at the same time slaves and masters, and passes write data from multiple sources (slave interfaces), and might interleve them. — The read and write acceptance capability of each slave interfaceAXI Interconnect Core Features. Wait states are used if the buffer is full, or has less than 128 bytes of available space. Interleaved mode transfer example Source publication +7 Analysis of shared-link AXI Article Full-text available Aug 2009 N. 1), 2) and 3) scenarios cannot be interleave and they are performed in parallel. This becomes useful in designs like video streaming applications. See the tests directory, verilog-axi, and verilog-axis for complete testbenches using these modules. X12039. AXI4 does NAY support write interleaving 3. Found this statement: "For a slave that supports write data interleaving, the order in which it receives the first data item of each transaction must be the same as the order in which it receives the addresses for the transactions. 0. Typical Use Case for AXI DMA and AXI4 Ethernet. 0 03 March 2010 C Non-Confidential First release of AXI specification v2. 4. 0/4. pdf". The Arm® AMBA® 5 AXI protocol specification supports high-performance, high-frequency system designs for communication between manager and subordinate components. Synopsys supporting burst lengths up to 256 beats in AXI3 I have also seen many WALLEYE providers e. Tune for performance and re-simulate: Ensure that you have the right. 3. Recently, I read "AMBA AXI Protocol. ridge. Interleaving is a process or methodology to make a system more efficient, fast and reliable by arranging data in a noncontiguous manner. 2 v6 ) in Vivado IP Integrator. 2). FIG. [Chapter 8. Y. The AMBA AXI4 Interconnect core connects one or more AXI memory-mapped master devices to one or more memory-mapped slave devices. v. The testbench file is cdma_tb. 0 interconnect. 4. but i have two questions about AXI afterWrite interleaving; this feature was retracted by AXI4 protocol. 1A is a view illustrating a process of interleaving the data transmitted by plural AXI masters and transmitting the interleaved data to an AXI slave 30 having interleaving acceptance capability of “2”. AMBA 4. 4) January 18, 2012 fChapter 4: Migrating to Xilinx AXI Protocols • Implements a read and write data buffer of depth 32x32/64x32 to hold the data for two PLB transfers of highest (16) burst length. AXI interconnect performs Clock crossing and Data width conversion and connects to DDR4 MIG on the Master Side. Liao Tian Sheuan Chang Shared-link. In the past when writing to DDR ram that is connected to the PS, I have used Xilinx AXI DMA to DMA data into the PS. Write Data Interleaving in AXI. The various AXI channels operate mostly independently of each other, so there is no requirement that a master wait for the B channel response to one write transaction before starting a new AW or W channel transfer. In case if we have 2 burst transfers with A (awid=0,wlen=2), B(awid=1,wlen=2) at axi slave model, then the data can be sent as following. All the five individual channels contain a set of data signals and utilize a two-way VALID and READY handshake process (Fig. As per the standards, 4KB is the minm. {"payload":{"allShortcutsEnabled":false,"fileTree":{"AXI_Protocol/Design and Verification":{"items":[{"name":"AXI_Interface. Hold Off Refresh for Read/Write: This allows the controller to delay a refresh to permit operations to complete first. Write standard new() function. AXI3中支持写交. 4) January 18, 2012 Xilinx AXI Infrastructure IP. It is a widely implemented Practice in the Computational field. 是否支持乱序只与slave有关，与master无关。. There are many uses for interleaving at the system level, including: Storage: As hard disks and other storage devices are used to store user and system data, there is always a need to arrange the. The problem I am facing is in AXI interface of MIG where 4-bit ID signal is present for all the transactiHowever, a master interface can interleave write data with different WID values if the slave interface has a write data interleaving depth greater than one. No. AXI3 supports write interleaving. Synopsys NO supporting write interlock in AXI3. ) This is why the VIP thought that the bresp arrived earlier than the awready. the data interleaving is responsible for slaves and the write data interleaving is responsible for masters. As shown in FIG. >In case if we have 2 burst transfers with A (awid=0,wlen=2), B (awid=1,wlen=2) then this can be interleaved as following Let's assume that A is issued first. AXI4 does CANNOT support write interleaver 3. AXI4 does NOT support write interleaving 3. 2: AXI channel architecture of writes. 0 AXI Spec. However, a master interface can interleave write data with different WID values if the slave interface has a write data interleaving depth greater than one. mem_rdata_i: input mem_data_t [NumBanks-1:0] Memory stream. 5 Write data. 1A, the data transmitted by the AXI masters through an NoC router are transferred to an AXI slave 30 through an NI 20. The AXI4 Cross-bar interconnect is used to connect one or more AXI4 compliant master devices to one or more AXI4 compliant slave devices. So for the R channel we already have a slave-master flow direction, with accompanying handshake signals, to easily support passing responses for each read. Is it . 14 AXI Reference Guide UG761 (v13. When. AXI4 does NOT help write interleaving 3. Memory Interleaving is used to improve the access time of the main memory. Write Data Interleaving in AXI3 Slaves: With Write Data Interleaving, an AXI3 slave can accept interleaved write-data with different AWID values. but i have two questions over AXI afterAMBA AXI and ACE Protocol Specification Version E. All rights reserved. AXI Channels Read transactions are handled similar to write transactions, except that before transferring the transaction to the AXI4 master read channel, the PCIESS checks the transmit buffer for available space. When address phases of READ and WRITE transactions get completed at same time, it is not deterministic whether it is a read-write or write-read scenario. The slave declares a write data interleaving depth that indicates if the interface can accept interleaved write data from sources with different AWID values. Data interleaving, however, is not supported. Copyright © 2003-2010 ARM. Separate read, write and snoop channelsThe write operation process starts when the master sends an address and control information on the write address channel as shown in fig. Integrated Memory Controller . See the tests directory, verilog-axi, and verilog-axis for complete testbenches using these modules. September 1, 2014 at 6:53 PM AXI GP master and write data interleaving I'm designing AXI slave to connect it to Zynq AXI GP master and I'd like to know if AXI GP master can. ) This is why the VIP thought that the bresp arrived earlier than the awready. See section A5. m. That is not allowed with the addresses of 1,2,3. Implement build_phase and create a TLM analysis export instance. pcie_us_axi_dma module. 2. Click OK to accept the changes. the AXI3 spec described the following (seen in all AXI spec releases up to and including version F). Integrated Memory Controller . The user logic should provide a valid write address in the AWADDR bus and assert the AWVALID to indicate that the address is valid. 1) March 7, 2011. 4 Normal write ordering. The new() function has two arguments as string name and uvm_component parent. 5 Write data interleaving] "The order in which a slave receives the first data item of each transaction must be the same as the order in which it receives the addresses for the transactions. 4. 0 03 March 2010 C Non-Confidential First release of AXI specification v2. then the BFM attempts to perform write data interleaving. Polymorphic interface; params_pkg. An AXI master can provide two write addresses one after another if there is support of two outstanding addresses. The AVI Mux filter takes the video stream from the capture pin and packages it into an AVI stream. Polymorphic interface; params_pkg. 19 March 2004 B Non-Confidential First release of AXI specification v1. 3. Write Data Can Appear at an AXI Interface before the Write Address, which can Cause a Deadlock Condition Description: Workaround: Status. AMBA AXI Advanced eXtensible Interface AMBA AXI PROTOCOL CONTENTS Key Features Objectives Channel Architecture Basic Transaction Signal Descriptions Addressing Options Channel Handshake AMBA AXI PROTOCOL Key Features • Separate address/ control and data phases • Separate read and write channels to enable low-cost Direct. +1 Colin Campbell over 4 years ago. In the waveform window, expand the write data channel of the m00_axi interface. sv contains all dut parameters; A master driver - acts as an AXI master; A slave driver - acts as an AXI slave; Coverage collector; Scoreboard (counts address packets and response packets) Good whitepaper on slave sequences:await axi_master. The controller handles all the command, address, and data sequences, manages all the hardware protocols, and allows access NAND flash memory simply by reading or writing into the operational registers. This value, measured in clock cycles, is the value used to determine if aI change the hardware in EDK and then run the memory writing code in SDK and check if the data I write is being written to memory with delay or not. 12-18-2017 03:41 PM. AXI 3 supports both read/write data interleave. 1. The objectives of the latest generation AMBA interface are to: be suitable for high-bandwidth and low-latency designs. Low-power Interface support; Atomic access support with normal access,exclusive access and locked access; AXI4 supportsvt_axi_system_transaction:: master_xact. I'm a graduate student living in south Korea. But at the same time your write strobes are 0xFFFF thus all 16 byte lines are active. Figure 1. Increasing bandwidth so, interleaving in axi protocol easier to learn more than one address. Read Data Interleaving is supported in AXI4 and following is my understanding on Data Interleaving: Multiple Read commands can be executed simultaneously and data interleaving is supported as long as all condition for ordering are followed. This book is for AMBA AXI Protocol Specification. g. AXI4 does NOT support write interlacing. By continuing to use our site, you consent to our cookies. 19 March 2004 B Non-Confidential First release of AXI specification v1. and sending the subsequent transaction. 1) A1 A2 B1 B2 (In-order)-> This is legal. Supports multiple outstanding transactions: * Supports connected masters with multiple reordering depth (ID threads). AXI uses well defined master and slave interfaces that communicate via. Secondly, the interconnect must ensure that. Then when reading back, each successive pixel comes from a new bank allowing some interleaving of row activation and readout. • separate read and write data channels, that can provide low-cost Direct Memory Access (DMA)Data Interleaving: In a multi master interconnect, lets consider master A initiated the transfer with a burst of 4 and master B with a burst of 2 then it follows as A1 B1 A2 B2 A3 A4 it means A started the transaction, then went to B because of idle cycle by A and again A likewise. From the AMBA AXI4-Stream specification , the TDEST signal can be used to route AXI4 data stream. 3. Your understanding is correct. In this case, the arbiter seems like compulsory for all the readback data coming from different slave & the arbiter to determine which readback data that has higher priority can or through round-robin way to return to the master. Altera Mentor Verification IP Altera Edition AMBA AXI3/4TM User Manual • Axi3 bfm write data interleaving, Bfm read data interleaving, Supported simulators • Altera Measuring instruments Manuals Directory ManualsDir. In the last article, we introduced AXI, the Advanced Extensible Interface, part of the ARM AMBA specification for SoC design. the data interleaving is responsible for slaves and the write data interleaving is responsible for masters. I have including seen many IP providers e. The solution requires two queues (of the same type) and a search-and-compare method. DUT has both Tx and Rx instansiated inside which means user can repalce any of these two with user specific Tx or Rx if they are compatible. 0 03 June 2011 D-2c Non-Confidential Public beta draft of AMBA AXI and ACE Protocol Specification 28 October 2011 D Non-Confidential First release of AMBA AXI and ACE Protocol SpecificationAXI4 Cross-bar Interconnect ¶. AXI3: Write data interleaving (for different IDs) is supported. 2. AXI3中支持写交. However, a master interface can interleave write data with different WID values if the slave interface has a write data. Then when reading back, each successive pixel comes from a new bank allowing some interleaving of row activation and readout. 0 data and address widths; Supports all protocol transfer types, burst types, burst lengths and response types; Supports constrained randomization of protocol attributes. But it's not the only possible source of interleaved write data. 0 03 June 2011 D-2c Non-Confidential Public beta draft of AMBA AXI and ACE Protocol Specification 28 October 2011 D Non-Confidential First release of AMBA AXI and ACE Protocol Specificationour analysis, and a discussion on the latency costs associated with interleaving and grouping. Why streaming support,it’s advantages? Write an assertion on handshake signals ready and valid, ready comes after 5 cycles from the start of valid. This feature is not supported in AXI4 All Write Data for a transaction must be provided in consecutive transfers on the write data channel. Re-ordering implies the transactions complete in a different order to that the AR channel transfers were completed, whereas interleaving suggests that more that one read data stream can be active, so data in successive transfers could be for different transactions. The base addresses for slaves in the interconnect are also hence assigned in multiples of 4K. The integrated memory controllers (MCs) are integrated into the AXI NoC core. AXI Reference GuideAXI Reference Guide AXI Reference Guide UG761 (v13. AXI3 carries locked transfers, AXI4 does NON support locked transfers. Supports multiple outstanding transactions: * Supports connected masters with multiple reordering depth (ID threads). 2. Implement a write method to receive the transactions from the monitor. But it's not the only possible source of interleaved write data. Enables sharing the AXI CDMA module between multiple request sources, interleaving requests and distributing responses. Separate address/control, data and response phases. dfi-axi ddr4 m. g. HPS Stops on the First Read Request to SDRAM 2. . I are seen many IP providers e. The channels are Write address channel (AW), Write data channel (W), Read data channel aka R (Read response is sent with it as well), Read address channel (AR), and Write response channel (B). com - online owner manuals libraryLoading Application. Following is my write channel code : // // File name: axi_mcb_w_channel. 5. Introduction. The DDRMC is a dual channel design with fine interleaving disabled. Address register – It contains the address to specify the desired location in memory. Burst Transfer AXI burst read operation ：The master only needs to send the start address of the burst, the slave will automatically calculate the address according to the burst start address and the burst site, and send the corresponding data and response to the master side. The write data interleaving depth is the number of addresses for which a slave can accept interleaved data. If you are not happy with the use of these cookies, please review our Cookie Policy to learn how they can be disabled. ME have seen many IP providers e. 1) A1 A2 B1 B2 (In-order)-> This is legal. 12. The BREADY can be low before the assertion of BVALID. • Write data interleaving and write data Out-of-Order • Transaction with same ARID value to different slaves • Low-power interface of the AXI busStrobing is one of the main features of AXI, mainly involved during its write burst. This document gives explanation about Cortex-A9 AXI masters. By working with the master and slave devices, the AXI protocol works across five addresses that include read and write address, read and. Support for "write data interleaving" was added in the AXI3 spec as a way of maximising data bus bandwidth when masters couldn't generate write data in continuous bursts, with the ID allowing a slave to work out which outstanding write data stream the received transfers related to. * Supports write response reordering, Read data reordering, and Read Data interleaving. pg129-cdn-axi-bfm(1) - Free download as PDF File (. [AXI spec - Chapter 8. Enables sharing the PCIe AXI DMA module between multiple request sources, interleaving requests and distributing responses. addressing space for any slave on AXI bus interconnect. For example, we can access all four modules concurrently, obtaining parallelism. In AXI4 we don't have write data interleaving, so if your master is issuing multiple write transactions using different. The rest of the paper is organized as follows: In Section II, we describe the system model, and the full-CSI and open-loop systems. sv","path":"AXI_Protocol/Design and. 5 Write data interleaving] "The order in which a slave receives the first data item of each transaction must be the same as the order in which it receives the addresses for the transactions The Write data interleaving of AXI protocol specification says: "A master interface that is capable of generating write data with only one AWID value generates all write data in the same order in which it issues the addresses. g. • Write interleaving; this feature was retracted by AXI4 protocol. {"payload":{"allShortcutsEnabled":false,"fileTree":{"drivers/dma":{"items":[{"name":"bestcomm","path":"drivers/dma/bestcomm","contentType":"directory"},{"name":"dw. WDATA [ (8n)+7: (8n)]. wdata { Write data, actual data to be written. 1) April 24, 2012 Chapter 3: AXI Feature Adoption in Xilinx FPGAs Lock / Exclusive Access No support for locked transfers. Write interleave depth is a characteristic of the slave or the slave interface, rather than the master. fpga b. However, the word of the data interleaving is not included in the AXI specifications but the write interleaving only exists. 0 03 June 2011 D-2c Non-Confidential Public beta draft of AMBA AXI and ACE Protocol Specification 28 October 2011 D Non-Confidential First release of AMBA AXI and ACE Protocol Specificationemploying the Advanced extensible Interface (AXI) proto col and an interleaving method thereof, and more particu larly, to an NoC system employing the AXI protocol and an interleaving method thereof, capable of Smoothly transmit ting data according to the interleaving acceptance capability of an Intellectual Property (IP) when the AXI protocol isAXI3 write interleaving is not supported and should not be used with Xilinx IP. By continuing to use our site, you consent to our cookies. Figure 2-19: AXI Reference Guide UG761 (v13. AXI Write Address. In the last article, we introduced AXI, the Advanced Extensible Interface, part of the ARM AMBA specification for SoC design. The System-On-Chip (SoC) designs are becoming more complex nowadays. Re-ordering implies the transactions complete in a different order to that the AR channel transfers were completed, whereas interleaving suggests that more that one read data stream can be active, so data in successive transfers could be for different transactions. By continuing to use our site, you consent to our cookies. DataMover AXI4 Write. Interleaving allows you to send WID transfers for a number of outstanding AW transfers, BUT. AXI4 supports QoS, AXI3 does NOT suppor QoS. Interrupt Out (To AXI Intc) Interrupt Out (To AXI Intc) AXI4. 3. Activity points. Synopsys supporting burst lengths up to 256 beats to AXI3 I have also seen many IPS providers e. WID is removed in AXI4, so WDATA must strictly follow the AW order. WID is needed to support write data interleaving described in AXI3, but this isn't supported in AXI4, so no requirement to have a WID signal. Documentation and usage examples. With Lack Santa And Jim Shore. •. int attribute. Performance constraint on the minimum expected bandwidth for write transfers in a given time interval. Hi, I am trying to use DDR4 SDRAM ( MIG 2. write(0x0000, b'test') data = await axi_master. sv. Enables sharing the PCIe AXI DMA module between multiple request sources, interleaving requests and distributing responses. And as section A5. AXI4 does NOT support writers intersect. AXI3 supported locked transfers, AXI4 does NOT support locked shifts 4. It also supports Passthrough mode which transparently allows the user to monitor transaction nformation/throughput or drive active stimulus. While AXI4 supports burst lengths of up to 256 beats. Second question, if reorder depth is 1 it means the slave cannot reorder transactions. wstrb { Write strobes, his signal indicates which byte lanes to update in memory3 While AXI4 props burst lengths of up the 256 beats. Memory Interleaving is used to improve the access time of the main memory. mulation and. Hi I am using Vivado 2017. 1. v under the block design in the sources window . I think data interleaving should not be done within a single burst. The NAND DMA controller accesses system memory using its AXI master interface. Slave write transactions support incrementing address bursts, fixed bursts, wrapping bursts, and narrow type transfers. Secondly, the interconnect must ensure that. 3. g. Features of AXI 5 Channels (Write address, Write data, Write Response, Read data/response, Read address ) No strict timing relationship between address and data signal On chip, Point to Point Communication protocol Multiple Outstanding(Multiple request) Burst based transactions with only start address issued Aligned and non-aligned address support Out of order Data interleaving Atomicity. Synopsys supports burst lengths up until 256 beats in AXI3 I have also seen many IP. This site uses cookies to store information on your computer. •. Data interleaving, however, is not supported. The AXI slave should receive such transaction. in axi4 only read transaction can be completed out of order while in axi3 read and write instruction can be completed out of order. The AMBA AXI protocol. 4. #- Configure Master VIP to interleaving depth >1. In this case, instead of waiting for one sequence to complete before the other sequence start, the AXI infrastructure can interleave the write. But the first. AXI Master Read Transactions. In the AXI protocol, can you help me understand in depth about the multiple outstanding addresses, out-of order completion and data interleaving Scenario 1: There is Only 1 AXI master (with support of only 1 Master ID) doing transaction to a slave which is capable of handling multiple outstanding addresses. An AXI Write transactions requires multiple transfers on the 3 Read channels. The transfer will be split into one or more bursts according to the AXI specification. All five transaction channels use the same VALID/READY handshake process i want to do random write transcation, and here is the waveform, does this waveform meets AXI spec.