Understand and utilize the features of the serial transceiver blocks, such as 8b10b and 64b66b encoding, channel bonding, clock correction, and comma detection. Do you have verilog code for this encoder and decoder. Veriloga code for 8b10b, 64b66b, 128bb encoderdecoders. For more information on the 64b 66b coder, refer to 64b66bcoder. Alternatively, one or more embodiments may be implemented either partially or entirely in software, such as by using a tabledriven lookup mechanism for efficiency. The encoding and decoding rules of 64b 66b and inherent characteristic among 64b 66b codes are studied in this paper. To make the system can be work in high speed, we use a lot of technology such as pipeline strategy, optimization of complicated logics and parallel descrambler. For every field that is filled out correctly, points will be rewarded, some fields are optional but the more you provide the more you will get rewarded.
Intel stratix 10 mx dram systeminpackage device overview. A highspeed 64b66b decoder for serdes system was designed in tsmc 0. Learn how to employ serial transceivers in your 7 series fpga design. If it is set as yes, the payload of the block is scrambled with a selfsynchronizing scrambler.
The n8851a enables engineers to decode 64b66b data and link training data in less than 30 seconds. Intel stratix 10 gx devices deliver up to 1 ghz core fabric performance and contain up to 2. The overhead of 64b66b encoding is 2 coding bits for every 64 payload bits or 3. In data networking and transmission, 64b 66b is a line code that transforms 64bit data to 66bit line code to provide enough state changes to allow reasonable clock recovery and alignment of the data stream at the receiver. Here 64b stands for 64 bits block of data and 66b stands for 66 bits block of data. Serdes example designs ads 2009 keysight knowledge center. For every field that is filled out correctly, points will be rewarded, some fields are optional but the more you provide the more you will get.
The 8b10b and 64b66b symbol decoder overlays annotated information on the physical layer waveform. Feb 03, 2009 the 64b 66b encoder 110 includes an encoder 112 and a scrambler 114. A printer friendly pdf leaflet is available here course description in this first part you learn how to employ serial transceivers in your 7 series fpga designs. Each character is represented by 8 data bits d and a single. Unless required by applicable law or agreed to in writing, software distributed under the license is distributed on an as is basis, without warranties or conditions of any kind, either express or implied. Currently, i get 2 bit header and corresponding 64 bit descrambled payload at positive edge of every other clock cycle. A hardware implementation of 64b66b encoder decoder is introduced, which. Various sections of the protocol are colorcoded to make it easy to understand.
N8815a infiniium 10gbasekr 64b66b and link training. In data networking and transmission, 64b66b is a line code that transforms 64bit data to 66bit. Such serializerplus64b66b encoder and deserializerplusdecoder blocks are defined in the 10 gigabit ethernet specification. Lightweight link layer protocol provides onetoone data movement via one or more highspeed serial lanes. Learn how to employ gtx serial transceivers in your 7 series fpga design. The transmit side comprises a 64b66b encoder, a scrambler, and a gearbox that converts the 66b signal to a 16bit interface. Provides protocol decode to disassemble 10gbasekrkr4 64b66b traffic with. If parameter scrambler is set as no, the payload of the block is not scrambled. The 64b 66b decoder 120 includes a decoder 122, a descrambler 124, and a block synchronizer 126.
Designing with multigigabit serial io connectivity 3 connmgt course description. These functions are implemented in software to provide flexibility while the. Included at no additional charge with vivado included at no additional charge with edk. This is the implementation file of the 64b66b encoder coverage. Wavemaster 8 zib sdaiii eye and jitter analysis extended acquisition memory highspeed serial triggering. The 64b66b decoding unit is configured to decode the received 66bit block data to obtain eight 8bit data and one 8bit control signal. D9010ekrp 10100gbasekr 64b66b and link training decode. Hardware trigger products with maximum bitrates of 6. Learn how to employ gtp and gtx serial transceivers in your 7 series fpga design.
Rapidly pinpoint and debug problems with nrz, 8b10b and 64b 66b signals using the highspeed serial trigger and decode options. The xco5bsfec decoder contains a block alignment lock, lane deskew and lane reorder block, rs decoder and a 256b257b to 64b66b transcoder block. A hardware implementation of 64b66b encoderdecoder is introduced, which. D9010ekrp 10100gbasekr 64b66b and link training decode and. Another serializer then converts this 16bit interface into a fully serial signal. The n8815a infiniium protocol decoder software offers several features to simplify the validation of your 10gbasekr 64b66b designs. The n8851a 100gbasekr 64b 66b is the only solution that combines both a 64b 66b decoder and a link training decoder.
Configurable protocollevel searches and softwarebased triggering specific to 64b66b ethernet 10gbasekr technology. So now i need to decode the 64b 66b encoded data according to the table below. Figure 3 rs decoder flow, again the fifo are not shown. Fifo, 64b66b decoder, descrambler, block sync, fec, and gear box. These functions are implemented in software to provide flexibility while the specifications for these interface functions are being finalized. Highspeed serial interface achieved using a lightweight protocol ion 64b66b is an ip for highspeed serial interface targeting applications with interchip and interboard connections. Xilinx xapp687 64b66b encoder decoder application note 21 2003 figure 1 shows how the 64b66b encodedecode logic of this the 64b66b encoder takes xgmii signals consisting of a 64bit data and a. The decoder converts the 66bit code words back to xgmiicompatible signals. Ion 64b66b ip 64b66b highspeed serial interface mpression. The 10 gbe pcs ip solution includes a 10gbe scramblerdescrambler, 10 gbe media independent interface xgmii and 64b 66b encoder decoder functions. The n8851a enables engineers to decode 64b 66b data and link training data in less than 30 seconds.
In bit serial transmission, for each octet data in an 64bit sequence, the lsb is assumed to be transmitted first, while the msb is transmitted last. It can work with verilog hdl environment and works with all verilog simulators that support systemverilog. Ottawa, on may 23, 2000 64b66b coding update ieee 802. Our paper describes architecture of 64bit decoder through xilinx ise software provides the better support for kintex7 fpga and virtex6 fpga.
Figure 1 shows how the 64b 66b encodedecode logic of this application fits in a complete system. So now i need to decode the 64b66b encoded data according to the table below. In data networking and transmission, 64b66b is a line code that transforms 64bit data to 66bit line code to provide enough state changes to allow reasonable clock recovery and alignment of the data stream at the receiver. The decode operation is fast, and colorcoded sections make it easy to understand where blocks and symbols start and stop. Introduction to 10 gigabit 64b 66b clause 49 sowmya s. N8815a infiniium 10gbasekr 64b66b and link training decode. This scheme encodes 64 bits of data into 66 bits, providing a 3% overhead compared to the 20% overhead of 8b10b encoding.
The n8815a 10gbasekr 64b 66b and link training decode software provides the ability to perform 64b 66b bit and link training based packet decoding via a keysight exclusive technique to capture and display serial data synchronized with the analog view of traffic of a serial data stream. The tektronix 10gbasekrkr4 compliance, debug, and decode solution software automates testing of 10gbasekrkr4 10 gigabit ethernet copper. Designing with multigigabit serial io learn how to employ serial transceivers in your 7 series fpga design. It supplies all pcs functionality as well as some pma features. The n8851a is the only tool that allows for 64b66b decoding and link training in one solution. The cadence 40gbaser ethernet pcs pcsxl ip is designed as an onchip pcs for connecting a 40g mac to four 10g serdes. They also feature up to 96 general purpose transceivers on separate transceiver tiles, and 2666 mbps ddr4 external memory interface performance. This example demonstrates 64b66b coder and decoder 64b66b encoding and 64b66b decoding simulation capability. Setup wizard for quick setup, configuration and test packetlevel decode of primitives as well as link and transaction layers serial data analysis with 64b66b bit streams. Xilinx ug519 virtex5 fpga aurora 8b10b migration to aurora. A hardware implementation of 64b66b encoderdecoder is. Hardware implementation of 64b66b encoder decoder for.
The n8851a is the only tool that allows for 64b66b decoding and link training in. I need to design a 64b 66b decoder on receiver side of the gty transceiver. D9010ekrp 10g100gbasekr 64b66b and link training decode. Alignment lock within a lane is achieved when two consecutive alignment markers have been identified within the.
List of ip cores continued motion adaptive noise reduction mpeg. Upper layers of the software stack need not be aware that the link layer is using these methods. Download citation hardware implementation of 64b66b encoderdecoder for 10gigabit ethernet the encoding and decoding rules of 64b66b and inherent. The n8851a 100gbasekr 64b66b is the only solution that combines both a 64b66b decoder and a link training decoder. The encoding and decoding rules of 64b66b and inherent characteristic among 64b66b codes are studied in this paper. The 64b 66b encoder takes xgmii signals consisting of a 64bit data and a 8bit control bus and converts them into 66bit code words according to the scheme outlined in section 49. The chip is composed of block sync, descrambler, decode process and receive control.
At the input to the 64b 66b encoder 110, 8 characters are input at a time e. The 64b 66b signal encoding technique is used in 10 gigabit ethernet systems such as 10gbaser and 10gbasew as mentioned. Keysight n8851a 100gbasekrcr 64b66b and link training decoder software. The 64b66b encoder and decoder system 100 includes a 64b66b encoder 110, a 64b66b decoder 120. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Home products intellectual property lattice ip cores.
The 8b10b and 64b 66b symbol decoder overlays annotated information on the physical layer waveform. The encoderdecoder and coverage collector classes can be. So why not upload a peice software today, share with others and get rewarded. Hardware implementation of 64b66b encoderdecoder for. To reduce the overhead, 64b 66b encoding was created. N8815a infiniium protocol viewer software for 10gbasekr ethernet is the only 64b66b protocol decoder technology available on a. This ip interfaces with the highspeed line interface block embedded in the orli10g which implements an oif standard oif 99. For example in 10gbaser xgmii sublayer provides 64 bits of data to pcs sublayer. Decoding method and decoder for 64b66b coded packetized serial data us patentus6718491.
The 64b66b decoder is the reverse procedure of the 64b66b encoder. You gain an understanding of serial transceiver blocks features and how to utilize these features such as encoding, channel bonding, clock correction and comma detection. High speed serial trigger and decode teledyne lecroy. Decode annotation information condenses or expands depending on the timebasezoom ratio setting. Cloudbased pcb design software helps share layouts and models. One of the biggest challenges when developing software targeting a soft core embedded in an fpga such as the nios ii or a hardened arm applicationclass processor such as in the socfpga components is taking into account the flexibility of the fpga, which allows to implement a completely custom system on chip alse can develop a. This is a considerable improvement on the 80% efficiency of the previouslyused 8b10b encoding scheme, which added 2 coding bits to every 8 payload bits. A highspeed 64b66b decoder used in serdes scientific. The decode operation is fasteven with long acquisitions. For more information on the 64b66b coder, refer to 64b66bcoder. See the license for the specific language governing permissions and limitations under the license.
Rapidly pinpoint and debug problems with nrz, 8b10b and 64b66b signals using the highspeed serial trigger and decode options. This solution includes a suite of configurable protocollevel searches and softwarebased triggering specific to 64b66b and link training of ethernet technologies such as 100gbasekrcr. Veriloga code for 8b10b, 64b66b, 128bb encoderdecoders hi anybody knows where can i get any information about architecture of 128bb encoderdecoder. It includes a suite of configurable protocollevel searches and software based triggering specific to 64b66b and link training of ethernet technologies such as 100gbasekrcr. The 64b66b symbol decode information is annotated on the physical layer waveform. Dec 05, 2017 this solution includes a suite of configurable protocollevel searches and software based triggering specific to 64b66b and link training of ethernet technologies such as 100gbasekrcr. Newest ethernet questions feed to subscribe to this rss feed, copy and paste. Xilinx ug519 virtex5 fpga aurora 8b10b migration to. N8851a 100gbasekrcr 64b66b solution with link training. Xilinx xapp687 64b66b encoder decoder application note. The trigger also natively triggers on 8b10b and 64b66b words, with corresponding decoders included in the sda configuration.
N8815a 10gbasekr 64b66b with link training decode for. I need to design a 64b66b decoder on receiver side of the gty transceiver. Keysight n8851a 100gbasekrcr 64b66b and link training. Speedgoat target computers are optimized for use with simulink realtime and fully support the hdl coder workflow. These functions are implemented in software to provide flexibility while the specifications. Newest ethernet questions electrical engineering stack. The 64b 66b decoder is the reverse procedure of the 64b 66b encoder. Introduction technologies which use 64b 66b encoder decoder blockdiagram function of 64b 66b encoder vector types control characters encoding tables valid and invalid encoding example introduction 8b10b encoding provided the transition rich data along with a dc balanced data stream for many standards in the past as serial rates increase to 3. The 10 gbe pcs ip solution includes a 10gbe scramblerdescrambler, 10 gbe media independent interface xgmii and 64b66b encoderdecoder functions.
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