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3, including
Advanced eXtensible Interface (AXI) to reach even higher performance interconnect and the Advanced Trace Bus (ATB) as part of the CoreSight on-chip debug and trace solution. In 2010 the AMBA 4 specifications were introduced starting with AMBA 4 AXI4, then in 2011 extending system-wide coherency with AMBA 4 AXI Coherency Extensions (ACE). In 2013 the AMBA 5 Coherent Hub Interface (CHI) specification was introduced, with a re-designed high-speed transport layer and features designed to reduce congestion. These protocols are today the
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AMBA was introduced by Arm in 1996. The first AMBA buses were the
Advanced System Bus (ASB) and the Advanced Peripheral Bus (APB). In its second version, AMBA 2 in 1999, Arm added AMBA High-performance Bus (AHB) that is a single clock-edge protocol. In 2003, Arm introduced the third generation, AMBA
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is designed for low bandwidth control accesses, for example register interfaces on system peripherals. This bus has an address and data phase similar to AHB, but a much reduced, low complexity signal list (for example no bursts). Furthermore, it is an interface designed for a low frequency system
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that implement a digital bus in an SoC for the efficient moving and storing of data using the AMBA protocol specifications. The AMBA family includes AMBA Network
Interconnect (CoreLink NIC-400), Cache Coherent Interconnect (CoreLink CCI-500),
380:, the 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 sub-micrometer interconnect:
355:, defined as part of the AMBA 4 specification, extends AXI with additional signalling introducing system wide coherency. This system coherency allows multiple processors to share memory and enables technology like Arm's
662:
Kriouile, A., & Serwe, W. (2013). Formal
Analysis of the ACE Specification for Cache Coherent Systems-on-Chip. In Formal Methods for Industrial Critical Systems (pp. 108-122). Springer Berlin Heidelberg.,
53:
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A simple transaction on the AHB consists of an address phase and a subsequent data phase (without wait states: only two bus-cycles). Access to the target device is controlled through a
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An important aspect of an SoC is not only which components or blocks it houses, but also how they interconnect. AMBA is a solution for the blocks to interface with each other.
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protocol enables one-way coherency, also known as I/O coherency; for example, a network interface that can read from the caches of a fully coherent ACE processor.
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152:. Since its inception, the scope of AMBA has, despite its name, gone far beyond microcontroller devices. Today, AMBA is widely used on a range of
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The AMBA specification defines an on-chip communications standard for designing high-performance embedded microcontrollers. It is supported by
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Interfaces are listed by their speed in the (roughly) ascending order, so the interface at the end of each section should be the fastest.
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http://www.arm.com/about/newsroom/arm-announces-amba-5-chi-specification-to-enable-high-performance-highly-scalable-system-on-chip.php
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encourage modular system design to improve processor independence, and the development of reusable peripheral and system IP libraries
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is a subset of AHB formally defined in the AMBA 3 standard. This subset simplifies the design for a bus with a single master.
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148:(SoC) designs. It facilitates development of multi-processor designs with large numbers of controllers and components with a
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Arm
Announces AMBA 5 CHI Specification to Enable High Performance, Highly Scalable System on Chip Technology,
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for embedded processor bus architectures because they are well documented and can be used without royalties.
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minimize silicon infrastructure while supporting high performance and low power on-chip communication.
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https://www.arm.com/new-amba-4-specification-optimizes-coherency-for-heterogeneous-multicore-socs.php
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development of embedded microcontroller products with one or more CPUs, GPUs or signal processors,
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is a bus protocol introduced in
Advanced Microcontroller Bus Architecture version 2 published by
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Advanced High-performance Bus (AHB) - widely used on ARM7, ARM9 and Arm Cortex-M based designs
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AXI Coherency
Extensions (ACE) - widely used on the latest Arm Cortex-A processors including
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and SoC parts including applications processors used in modern portable mobile devices like
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AMBA AXI and ACE Protocol
Specification AXI3, AXI4, and AXI4-Lite, ACE and ACE-Lite
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controllers (CoreLink DMA-230, DMA-330), level 2 cache controllers (L2C-310), etc.
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A number of manufacturers utilize AMBA buses for non-ARM designs. As an example
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New AMBA 4 Specification
Optimizes Coherency for Heterogeneous Multicore SoCs,
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http://arm.com/about/trademarks/arm-trademark-list/AMBA-trademark.php
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issuing of multiple outstanding addresses with out of order responses
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AMBA specification (First version) defines two buses/interfaces:
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In addition to previous release, it has the following features:
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TileLink - Free and open bus architecture from CHIPS Alliance
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easy addition of register stages to provide timing closure.
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levels on the bus are not dictated by the specifications.
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Advanced
Extensible Interface 4 Stream (AXI4-Stream v1.0)
577:(though this is an off-chip interface, not on-chip bus)
567:(though this is an off-chip interface, not on-chip bus)
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burst based transactions with only start address issued
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support for unaligned data transfers using byte strobes
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AMBA 2 specification defines three buses/interfaces:
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AMBA 3 specification defines four buses/interfaces:
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AMBA Low Power Interfaces (Q-Channel and P-Channel)
60:. Unsourced material may be challenged and removed.
481:uses an AMBA bus for the ADM5120 SoC based on the
305:Advanced High-performance Bus Lite (AHB-Lite v1.0)
755:AMBA APB Specification including APB4, APB3, APB2
453:A family of synthesizable intellectual property (
276:Advanced Extensible Interface 4 Lite (AXI4-Lite)
1115:Coherent Accelerator Processor Interface (CAPI)
236:AXI5, AXI5-Lite and ACE5 Protocol Specification
191:The objective of the AMBA specification is to:
580:virtual share from PICC - free and open source
239:Advanced High-performance Bus (AHB5, AHB-Lite)
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202:be technology independent, to allow reuse of
8:
606:, an alternative to bus-based architectures
419:large bus-widths (64/128/256/512/1024 bit).
348:AXI Coherency Extensions (ACE and ACE-Lite)
69:"Advanced Microcontroller Bus Architecture"
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771:
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134:Advanced Microcontroller Bus Architecture
120:Learn how and when to remove this message
384:separate address/control and data phases
270:AXI Coherency Extensions Lite (ACE-Lite)
232:defines the following buses/interfaces:
225:with wide cross-industry participation.
616:
470:memory controllers (CoreLink DMC-400),
245:Distributed Translation Interface (DTI)
273:Advanced Extensible Interface 4 (AXI4)
325:Advanced Peripheral Bus (APB2 or APB)
7:
256:defines following buses/interfaces:
160:. AMBA is a registered trademark of
58:adding citations to reliable sources
401:Advanced High-performance Bus (AHB)
367:Advanced eXtensible Interface (AXI)
308:Advanced Peripheral Bus (APB3 v1.0)
285:Advanced Peripheral Bus (APB4 v2.0)
743:AMBA 2 Specification including AHB
25:
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445:with a low bit width (32 bits).
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45:needs additional citations for
1:
1110:Intel Ultra Path Interconnect
437:Advanced Peripheral Bus (APB)
373:Advanced eXtensible Interface
336:Advanced Peripheral Bus (APB)
311:Advanced Trace Bus (ATB v1.0)
297:Advanced eXtensible Interface
282:Advanced Trace Bus (ATB v1.1)
242:Coherent Hub Interface (CHI)
1088:Intel QuickPath Interconnect
1078:Direct Media Interface (DMI)
725:AMBA Specification home page
538:– proprietary bus system by
217:AMBA protocol specifications
719:Arm Developer AMBA Homepage
340:The timing aspects and the
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1073:Compute Express Link (CXL)
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1310:IEEE-1284 (parallel port)
1225:logical device interface)
599:Master/slave (technology)
515:, but also in many other
511:, used in IBM's embedded
333:Advanced System Bus (ASB)
322:Advanced System Bus (ASB)
27:Computer bus architecture
623:AMBA Trademark License,
594:Functional specification
519:-like systems with the
248:Generic Flash Bus (GFB)
872:List of bus bandwidths
571:QuickPath Interconnect
185:
183:
1315:IEEE-1394 (FireWire)
1053:PCI Extended (PCI-X)
507:bus technology from
254:AMBA 4 specification
230:AMBA 5 specification
54:improve this article
1156:Parallel ATA (PATA)
461:is licensable from
1063:PCI Express (PCIe)
737:AMBA Documentation
552:Open Core Protocol
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184:AMBA AXI handshake
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1217:PCI Express (via
1176:Serial ATA (SATA)
862:Network on a chip
669:978-3-642-41010-9
604:Network on a chip
542:for use in their
483:MIPS architecture
176:Design principles
170:de facto standard
142:functional blocks
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16:(Redirected from
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459:AMBA Products
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71: –
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65:Find sources:
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43:This article
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1008:TURBOchannel
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699:. Retrieved
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52:Please help
47:verification
44:
1481:CoreConnect
1460:ExpressCard
1388:Thunderbolt
1378:Camera Link
1161:Bus and Tag
847:Address bus
842:Control bus
837:Daisy chain
739:- from ARM
554:(OCP) from
505:CoreConnect
489:Competitors
463:Arm Limited
223:Arm Limited
195:facilitate
158:smartphones
1534:Categories
1334:ACCESS.bus
1233:Peripheral
1033:InfiniBand
1028:HP GSC bus
822:System bus
757:- from ARM
751:- from ARM
745:- from ARM
721:- from Arm
701:2020-06-21
611:References
563:(HT) from
524:MicroBlaze
357:big.LITTLE
266:Cortex-A15
80:newspapers
18:ABMA 3 AXI
1295:Lightning
1245:Atari SIO
1120:SpaceWire
953:Zorro III
893:S-100 bus
888:SS-50 bus
881:Standards
801:standards
794:Technical
573:(QPI) by
556:Accellera
529:IPBus by
499:OpenCores
412:company.
301:Cortex-A9
262:Cortex-A7
110:June 2022
1521:Category
1496:Wishbone
1469:Embedded
1448:Portable
1368:Profibus
1300:DMX512-A
1186:Parallel
1038:Ethernet
948:Zorro II
898:Multibus
799:de facto
727:- of ARM
588:See also
495:Wishbone
479:Infineon
457:) cores
431:AHB-Lite
361:ACE-Lite
204:IP cores
132:The Arm
1501:SLIMbus
1455:PC Card
1439:TOSLINK
1129:Storage
1083:RapidIO
963:FASTBUS
918:STD Bus
815:General
544:Nios II
513:PowerPC
410:Arm Ltd
342:voltage
162:Arm Ltd
94:scholar
1434:S/PDIF
1325:1-Wire
1290:RS-485
1285:RS-423
1280:RS-422
1275:RS-232
1136:ST-506
1093:NVLink
943:STEbus
903:Unibus
733:of ARM
680:Avalon
667:
540:Altera
536:Avalon
521:Xilinx
96:
89:
82:
75:
67:
1429:McASP
1397:Audio
1342:SMBus
1338:PMBus
1320:UNI/O
1260:HP-IL
1213:SATAe
1198:ESCON
1171:HIPPI
1003:NuBus
958:CAMAC
928:Q-Bus
923:SMBus
908:VAXBI
805:wired
575:Intel
497:from
468:SDRAM
101:JSTOR
87:books
1486:AMBA
1424:MADI
1409:AES3
1270:MIDI
1223:NVMe
1219:AHCI
1181:SCSI
1166:DSSI
1141:ESDI
1018:SBus
978:EISA
913:MBus
803:for
796:and
731:AMBA
665:ISBN
547:SoCs
264:and
252:The
228:The
154:ASIC
138:AMBA
73:news
1490:AXI
1419:I²S
1373:USB
1358:D²B
1353:SPI
1348:I3C
1330:I²C
1265:HIL
1250:DCB
1221:or
1208:SSA
1191:SAS
1151:SMD
1146:IPI
1068:AGP
1058:PXI
1048:PCI
1043:UPA
1023:VLB
1013:MCA
998:VPX
993:VXS
988:VXI
983:VME
968:LPC
938:ISA
565:AMD
531:IDT
517:SoC
509:IBM
472:DMA
442:APB
425:MUX
406:AHB
378:AXI
353:ACE
144:in
56:by
1536::
1340:,
1336:,
694:.
643:^
485:.
455:IP
164:.
1492:)
1488:(
1344:)
1332:(
786:e
779:t
772:v
704:.
136:(
123:)
117:(
112:)
108:(
98:·
91:·
84:·
77:·
50:.
20:)
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