This interface operates at 322. Both sides of the point-to-point connection must be configured for the same protocol. /K/ or /R/ are neither part of RS protocol nor transported across the XGMII. It encodes 64-bit XGMII data and 8-bit XGMII control into 10GBASE-R 66-bit control or data blocks in accordance with Clause 49 of the IEEE802. Figure 33. This includes having a MAC control sublayer as defined in 802. 4. Soft-clock data recovery (CDR) mode. 2. 269-1996 Fibre Channel Protocol for SCSI FC-FP ANSI X3. • XAUI Extender: This block is an XGMII extender to support the XAUI protocol through a FPGA IP MAC core in the FPGA fabric. It utilizes built-in transceivers to implement the XAUI protocol in a single device. Provisional Application No. Compatible. , -- '07' signifying idle channel, 'fb' signifying start of a packet and 'fd' -- signifying end of packet for the physical channel to distinguish between -- real data and idle channel that results in high-impedance state in physical -- layer link. A multi-port SERDES transceiver includes multiple parallel ports and serial ports, and includes the flexibility to connect any one of the parallel ports to another parallel port or to a serial port, or both. Avalon MM 3. 5GPII Word encoder/decoder –mapping between XGMII to Internal 2. PTP Packet over UDP/IPv6. In one example, optional 10 GB/s extender sublayers (XGXS) may be implemented to convert the short run XGMII protocol to a long run 10 GB/s attachment unit interface (XAUI) protocol and back again. © 2012 Lattice Semiconductor Corp. A communication device, a method and a data transmission system are provided. 1G/10GbE PHY Register Definitions 5. Verification and validations were done using Modelsim and Chipscope Pro Analyzer. 26, 2014 • 1 like • 548 views. Between the MAC and the PHY is the XGMII, or 10 Gigabit Media Independent Interface. That is, XGMII in and XGMII out. Xenie module is a HW platform equipped with. TX FIFO E. /K/ or /R/ are neither part of RS protocol nor transported across the XGMII. 3ae-2008) block through XGMII protocol -- which avoids the purchase of the Xilinx 10GMAC license. 因此XFP模块尺寸比较大，功耗也比较大，这个对于需要多端口高密度的系统，比如数通交换机会. Each XGMII port 102 can include 74 data pins, for example, operating at 1/10 the data rate of the serial ports 104. Due to the continuously signaled nature of the underlying PMA, and the encoding performed by the PCS, the 10GBASE-X PCS maps XGMII data and control characters into a code-group stream. TX FIFO E. An illustrative method is disclosed to include at least one data port and lossless IPG circuitry that operates on the transmit-side and/or receive-side of the data transmission system. The F-tile 1G/2. XGMII Ethernet Verification IP is supported natively in . 5GPII Word encoder/decoder –mapping between XGMII to Internal 2. The XAUI PHY Intel® FPGA IP core allows you to easily build systems with a very high throughput 10G Ethernet connection. Both media access control (MAC) and physical coding sublayer/physical medium attachment (PCS/PMA) functions are included. 5 Gb/s and 5 Gb/s as well as 10 Gb/s. XGMII Conversion, XGMII to GMII conversion, and arbi-trator module. An illustrative method is disclosed to include at least one data port and lossless IPG circuitry that operates on the transmit-side and/or receive-side of the data transmission system. 2. 3 protocol and MAC specification to an operating speedof 10 Gb/s. The XGMII protocol is a formalized way for two hardware blocks (typically the MAC & PHY) to communicate when a packet starts/ends and if there`s any errors detected on the line. Results and. 3-20220929P. 12. • /T/-Maps to XGMII terminate control character. srTCM and trTCM color marking and. The RS adapts the bit serial protocols of the MAC to the parallel encodings of 2. V) Conclusion I) Introduction: The PCS and the PMA fit into the ISO/OSI stack model as shown in Figure 1 below: Figure 1: PCS and PMA relationship to the ISO/OSI model The PCS and the PMA are both contained within the physical layer of the OSI reference model. The plurality of cross link multiplexers has a destination port configured to receive a signal and an origin port configured to produce the signal. 3 media access control (MAC) and reconciliation sublayer (RS). The demand for 10G Ethernet is being driven in the data center as internet data traffic continues to grow. File:Rockchip RK3568 Datasheet V1. S. 4. 3ae で規定された。 2002年に IEEE 802. DWA 4/14/00 8B/10B Idle (Scrambled AKR) Generation Page 1 RS_IPG => 0 XGMII_Packet XGMII_IPG RS_IPG => 1The 64b/66b encoder is used to achieve DC balance and sufficient data transitions for clock recovery. Native PHY IP Configuration 4. TX FIFO E. Y — GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FUS7782805B1 US11/349,212 US34921206A US7782805B1 US 7782805 B1 US7782805 B1 US 7782805B1 US 34921206 A US34921206 A US 34921206A US 7782805 B1 US7782805 B1 US 7782805B1 AuthorityUS20120072615A1 US13/305,207 US201113305207A US2012072615A1 US 20120072615 A1 US20120072615 A1 US 20120072615A1 US 201113305207 A US201113305207 A US 201113305207A US 2012072615 AFeatures. The XGMII Clocking Scheme in 10GBASE-R. AXI stream interface to core logic on one side, raw serdes interface for 10GBASE-R on the other side, with no extra stuff (XGMII) in between. Dec. Hi @studded_seance (Member) ,. 5G and 10G BASE-T Ethernet products. Several Physical Coding Sublayers known as 10GBASE-X, 10GBASE-R, and10GBASE-W are specified, as well as significant additional supporting material for a 10 GigabitMedia Independent Interface (XGMII), a 10 Gigabit Attachment. The plurality of cross link multiplexers has a destination port coXFI和SFI的来源. XGMII – 10 Gb/s Medium independent interface. > * The XGXS /A/ character (at least, and maybe others) is not > a part of XGMII protocol, I believe. Xilinx's solution for XAUI is therefore used as a reference. 3) PG211: AXI4-Stream QSGMII* (v3. TLK3134 supports a 32-bit data path, 4-bit control, 10 Gigabit Media Independent Interface. 1588 is supported in 7-series and Zynq. 5G SGMII. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed. #Databus#carries#the#MAC#frame#and#the#mostsignificantbyte#occupies#the#least significantlane. XGMII IV. 5GPII Implementation as shown does not require much incremental logic Does not preclude implementations that directly map XGMII into PCS Diagram above for IEEE functional specification purposes only 1000BASE-X PHY 2. Transceiver Status and Transceiver Clock Status Signals 6. To implement a XAUI link, instantiate the XAUI PHY IP core in the IP Catalog, which is under Ethernet in the Interfaces menu. XAUI's robustness has broadened its utilization as a four-lane, self-clocked, standalone communication protocol rather than an XGMII extension, as it was first intended. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at is claimed is: 1. 10 gigabit media-independent interface (XGMII) is a standard defined in IEEE 802. Each XGMII port 102 can include 74 data pins, for example, operating at 1/10 the data rate of the serial ports 104. This module receives 32-bit XGMII with data valid from RX 64/32 width adaptor at 322. Includes MAC modules for gigabit and 10G/25G, a 10G/25G PCS/PMA PHY module, and a. The 10 Gigabit Ethernet standard extends the IEEE 802. ! If connected to WAN PMD, inserts/deletes idles due to rate difference between MAC and PMD! Determines when link available, therefore informing management entity via MDIO when PHY is ready to be used. Modules I. San Jose, CA 9513An automatic polarity swap is implemented in a communications system. Depending on the configuration, the XGMII consists of 32or 64-bit data bus and 4- or 8-bit control bus operating at 312. XFP光模块标准定义于2002年左右，其内部的收和发方向都带有CDR电路。. The Current driver assumes that AXI Stream FIFO is connected to the MAC TX Time stamp Stream interface at the design level. Definitely not XGMII (32-bit DDR, was never really seen off-chip) or XAUI (4 lanes of 3. DUAL XAUI to SFP+ HSMC BCM 7827 II. In such a configuration, it is possible to cross-connect the differential data lines or signals at the interface, which will cause. or deleted depending on the XGMII idle inserted or deleted. PCS B. AMBA APB protocol specification: The bus only remains in the SETUP state for one clock cycle and always moves to the ACCESS state on the next rising edge of the clock. The IP provides a XGMII interface to a 10 Gigabit Ethernet MAC and implements a 10. The protocol-specific transceiver PHYs configure the PMA and PCS to implement a specific protocol. This optical module can be connect to a 10GBASE-SR, -LR or –ER. CoaXPress-over-Fiber has been designed as an add-on to the CoaXPress 2. Introduction to Intel® FPGA IP Cores 2. XGMII IV. These characters are clocked between the MAC/RS and the PCS at. S. Utilization of the Ethernet protocol for connectivity is widespread in a broad range of things or devices around us. > * The XGXS /A/ character (at least, and maybe others) is not > a part of XGMII protocol, I believe. 3 is silent in this respect for 2. XGMI is a high speed interconnect that joins multiple GPU cards into a homogeneous memory space that is organized by a collective hive ID and individual node IDs, both of which are 64-bit numbers. Each direction is independent and contains a 32-bit. The goal of the firmware is to apply multiple SiTCP cores as Gigabit protocol stack in the pixel detector’s readout system, then convert the data into 10-Gigabit protocol, and finally connect to the server. For example, the 74 pins can transmit 36 data signals and receive 36. 6. 6. The received XGMII data are decoded to extract the auto-negotiation config words from auto-negotiation message. But you are proposing > leaving it in the data stream, encoding it, and shipping it > out thru the PMD. Up to 16 Ethernet ports. Layer 2 protocol. This block. Reset Signals; 6. It's exactly the same as the interface to a 10GBASE-R optical module. IEEE 1588 Precision Time Protocol; 5. x and XGMAC chip family. 6. AMD provides a parameterizable LogiCORE™ IP solution for the 10 Gigabit per second (Gbps) Ethernet Media Access Controller function used to interface to Physical Layer devices in a 10Gbps Ethernet (10GE) system. The Reconciliation Sublayer provides a mapping between the signals provided at the XGMII and the MAC/PLS service definition. IEEE 802. The device also supports SGMII MAC-side autonegotiation on each individual port, enabled through register 16E3, bit7, of that port. that the XGMII definition must be expanded to include any extra characters defined in XGXS/XAUI. Processor specifications. Uses 7 series, Virtex 6, Virtex 5, Virtex 4, and Spartan 6 transceivers running 4 lanes at 3. As far as I understand, of those 72 pins, only 64 are actually data, the remai. I/O Primitive. 3 Overview. The XGMII consists of 32-bit data bus and 4-bit control bus operating at 312. 1 - GMII to RGMII transform with using TEMAC Example Design. Thus, the mapping circuit 616 may map. XGXS (XGMII Extender sublayer) and XAUI The purpose of the XGMII Extender is to extend the operational distance of the XGMII and to reduce the number of interface signals. 1. That being said, there may be an assumption made that a 10 Gb/s MAC/RS/XGMII implementationprotocol to be applied on these two signals, where MDIO carries the serial data and MDC provides a clock reference to for the serial data. What is not symmetric is that the XGXS/XAUI/XGXS is not intended to sit "in the middle" of the XGMII so the notion of XAUI as a XGMII "extender" is not altogether appropriate for those individuals that can only envision an extender as something that goes in the middle. 265625 MHz if the 10GBASE-R register mode is enabled. XGMII signaling is based on the HSTL class 1 single-ended I/O. An illustrative method is disclosed to include at least one data port and lossless IPG circuitry that operates on the transmit-side and/or receive-side of the data transmission system. An optional physical instantiation of the PMA service interface has also been defined (see Clause 51). The Existing Axi Ethernet driver in the Xilinx git hub supports 1588 for 1G MAC and legacy 10G MAC and 10G/25G MAC. PTP Packet over UDP/IPv6. So our trusty 0xFB XGMII control word is actually encoded into the "BlockTypeField" (first 8bits of data) using the value 0x78. e. The generic nature of this interface facilitates mapping the CoaXPress signaling into the PCS/PMA. Interlaken 4. > > /K/ or /R/ are neither part of RS protocol nor transported across the XGMII. Due to the continuously signaled nature of the underlying PMA, and the encoding performed by the PCS, the 10GBASE-X PCS maps XGMII data and control characters into a code-group stream. or deleted depending on the XGMII idle inserted or deleted. 5GPII Implementation as shown does not require much incremental logic Does not preclude implementations that directly map XGMII into PCS Diagram above for IEEE functional specification purposes only 1000BASE-X PHY 2. Dec. Checksum calculation is mandatory for the UDP/IPv6 protocol. References 7. full-duplex at all port speeds. The TLK3134 can be optionally configured as a XAUI or 10GFC transceiver. FAST MAC D. 4. 1. Additionally, for applications requiring 20 Gbps throughput, Intel FPGA's XAUI PHY solution can support DXAUI (4 x 6. • The absence of fault messages for 128 columns resets link_fault=OK. The plurality of cross link multiplexers has a destination port coSelect the department you want to search in. 18. 4. Microsemi's 10GE PHY portfolio is highly flexible, covering a broad range of port speeds and interface types. XGMII : In 10G mode, the network-side interface of the MAC IP core implements the XGMII protocol. This device supports three MAC interfaces and two MDI interfaces. The ports includAn automatic polarity swap is implemented in a communications system. The full spec is defined in IEEE 802. of the DDR-based XGMII Receive data to a 64-bit data bus. Serial Gigabit Transceiver Family. Intel® Quartus® Prime Design Suite 19. e. Please refer to "23. The parallel transceiver ports 102a,b can be XGMII parallel ports, for example, where the XGMII transceiver protocol is known to those skilled in the arts. 3z Task Force 3 of 12 11-November-1996 microsystems Source Synchronous Clocking Concept: Implementation I Timing: Cycle Time = [Tcq + dTdr] + [dTbrd] + [dTrcv + Tis] + [Trsk] Tcq is the clock to Q delay; dTdr, dTbrd and dTrcv are the timing skews for driver, board and receiver; Tis is the Input Setup time; Trsk is the clock risetime skew. Unidirectional Feature 4. • Upon reception of four remote fault messages in 128 columns, the RS sets link_fault=Remote Fault and continuously transmits Remote Fault across XGMII. XGMII Tx Data: While interfacing with 32-bit of the clock and xgmii_txd[63:32] is mapped to the negative edge. XAUI PHY 1. A man agement data IO pad also enables the transceiver to Support different electrical requirements and data protocols at the Same time. Avalon MM 3. An illustrative method is disclosed to include at least one data port configured to enable data transmission in compliance with a communication protocol. 15. Both protocols should work between optical SFP+ modules that are controlled by the FPGA. XGMII, as defi ned in IEEE Std 802. SCSI-FCP ANSI X3. * The XGXS /A/ character (at least, and maybe others) is not a part of XGMII protocol, I believe. This is probably 1000BASE-X. USXGMII Subsystem. The Physical Coding Library provides support for the following types of errors: running disparity;. AXI4-Stream protocol support on client transmit and receive interfaces;If not, it shouldn't be documented this way in the standard. (XGMII to XAUI). 3bz-2016 amending the XGMII specification to support operation at 2. Furthermore, the multi-port transceiver chip can connect any one of serial ports to another serial port or to one of the parallel ports. Example APB Interface. It is now typically used for on-chip connections. As some background - USXGMII is a MAC <-> PHY protocol, much like SGMII is for 1G rates, but for 10G rates instead. This XAUI PHY along with a 10GbE media access control (MAC) IP core enables an Intel® FPGA to interface to a 10GbE network through a variety of external devices, including a 10GbE PHY device or optical transceiver module. 4. Thus: For each Ethernet supported device you will have Either SGMII, RGMII interfaces for the data stream. See the 5. 7. Resetting Transceiver Channels 5. It achieves 10Gbps line-rate and has two interfaces with two different clock domains. However, packet processors’ Ethernet interfaces are a generation behind the latest Ethernet switch devices. XAUI PHY 1. See moreThe XGMII interface, specified by IEEE 802. 3 Clause 46, is the main access to the 10G Ethernet physical layer. For example, xgmii_tx_control [0] corresponds to xgmii_tx_data [7:0], xgmii_tx_control [1] corresponds to xgmii_tx_data [15:8], and so on. A method for performing Iddq testing including receiving an Iddq message and executing the Iddq message to measure current leakage. No. If not, it shouldn't be documented this way in the standard. Transceiver Configurations 4. The > Reconciliation Sublayer only generates /I/'s. 3 media access control (MAC) and reconciliation sublayer (RS). Register Interface Signals 5. XGMII (10 gigabit MII, "X"はローマ数字で10を意味する) は、10Gbps通信用途の MII。2002年に IEEE 802. 3125 Gbps serial line rate. Reconciliation Sublayer (RS) and XGMII. Ther SerDes lane operates at 10. • /E/-Conveys errors(RD,Invalid code groups) to XGMII. Document Revision History 802. a new Auto-Negotiation protocol was defined by IEEE 802. If not, it shouldn't be documented this way in the standard. The goal of the firmware is to apply multiple SiTCP cores as Gigabit protocol stack in the pixel detector’s readout system, then convert the data into 10-Gigabit proto-Fig. The AXGRCTLandAXGTCTLmodules implement the 802. XGXS converts bytes on an XGMII lane into a self clocked, serial, 8B/10B encoded data stream. 64-bit XGMII for 10G (MGBASE-T). Transceiver Status and Transceiver Clock Status Signals 6. 325Gbps SERDES • PHY PCS/PMA/PMD as appriorate for network interface type Introduction. 60/421,780, filed on Oct. XGMII to XAUI conversion The TLK3134, known as a XGXS or XGMII extender, converts the 74 wires required by XGMII to 16 wires, which is a more manageable interface known as XAUI. 10GbEは 1GbE に続く通信速度を持つプロトコルとして開発され、最初の規格は 2002年 6月 に IEEE 802. The goal of the firmware is to apply multiple SiTCP cores as Gigabit protocol stack in the pixel. 3125 Gb/s link. DUAL XAUI to SFP+ HSMC BCM 7827 II. These characters are clocked between the MAC/RS and the PCS at both the positive and negative edge (double datarate – DDR) of the 156. Otherwise you should favor the protocol that will work with other devices. > * The XGXS /A/ character (at least, and maybe others) is not > a part of XGMII protocol, I believe. This optical. But you are proposing > leaving it in the data stream, encoding it, and shipping it > out thru the PMD. 3ae で規定された。 72本の配線からなり、156. 3ae. Optimized for ESD protection, the DP83867 exceeds 8-kV IEC 61000-4-2 (direct contact). An Ethernet PHYsical layer device (PHY), which corresponds to Layer 1 of the OSI model, connects the. Reconfiguration Signals 6. 3 Timing Specifics (Measured as defined in EIA/JESD 8-6 1995 with a timing threshold voltage of VDDQ/2) Timing for this interface will be such that the clock and data are generated simultaneously by the source of the signals and thereforeUS20040068593A1 US10/266,232 US26623202A US2004068593A1 US 20040068593 A1 US20040068593 A1 US 20040068593A1 US 26623202 A US26623202 A US 26623202A US 2004068593 A1 US2004068593 A1 US 2004068593A1 Authority US United States Prior art keywords link layer layer controllers integrated circuit serializer circuits Prior art date. • Single 10G and 100M/1G MACs. Read clock is NOT equal to the write clock obviously. The default RCW configuration is 0x1133 which means the Lane C is configured as XFI10. XGMII (10 gigabit MII, "X"はローマ数字で10を意味する) は、10Gbps通信用途の MII。2002年に IEEE 802. 3ba standard. The 10 Gigabit Ethernet PCS/PMA (10GBASE-R) is a no charge LogiCORE™ which provides a XGMII interface to a 10 Gigabit Ethernet MAC and implements a 10. Without having a license, customers can generate simulation models for this core. Reload to refresh your session. Embodiments described herein provide a method for providing a compatible backplane operation mechanism for 2. The PHY side of the MAC implements the XLGMII or CGMII protocol as defined by the IEEE 802. TX Promiscuous (Transparent) Mode 4. 60/421,780, filed on Oct. First data couplings may be provided through the crossbar between the plurality. Bprotocol as described in IEEE 802. Microsemi's latest generation 10GE PHYs feature VeriTime™, Microsemi's patent pending timing. 29, 2002, which is incorporated herein by reference. Supported Ethernet speeds include 1, 2. Implementing Protocols in Arria 10 Transceivers 3. Serial Data Interface 5. A communication device, method, and data transmission system are provided. Before sending, the data is also checked by CRC. application Ser. Clause 46. The data bus carries the MAC frame with the most significant byte occupying the least significant lane. 2/29/2016 Andra Radu - AMIQ Consulting Ionuț Ciocîrlan - AMIQ. Parameter Settings for the LL Ethernet 10G MAC Intel® FPGA IP Core 2. Register Interface Signals 5. As such, it is the standard part of network stack implementations available on probably all. A multi-port SERDES transceiver includes multiple parallel ports and serial ports, and includes the flexibility to connect any one of the parallel ports to another parallel port or to a serial port, or both. 954432] Bridge firewalling registered [ 2. PMA 2. СвернутьGrantee Broadcom Corporation Representative Volker Armin et al Jehle Application number EP03779391B1 Kind B1 Document number 1558987 Shortcuts →Claims2. • SerDes Block System Register: The SerDes block system registers control the SerDes blockA cross link multiplexer bus comprising a plurality of cross link multiplexers and a plurality of interconnects. SoCKit/ Cyclone V FPGA A. Multiple PHY devices can share the same management interface, and each of them needs to be assigned a unique PHY address. Both media access control (MAC) and physical coding sublayer/physical medium attachment (PCS/PMA) functions are included. RS/XGMII • Upon reception of four local fault messages in 128 columns, the RS sets link_fault=Local Fault. This PCS can interface. Embodiments described herein provide a method for providing a compatible backplane operation mechanism for 2. For SGMII, use soft-CDR mode and DPA mode (source synchronous mode) in the receive datapath for data communication. I also tried using some contents of TEMAC ip. Optional 802. But you are proposing > leaving it in the data stream, encoding it, and shipping it > out thru the PMD. The Xilinx® UltraScale+ Devices Integrated Block for PCIe® Express Gen3 IP has a feature that allows you to integrate a descrambler module to decrypt the encrypted data on the PIPE interface. Introduction. (1) The reconciliation sublayer (RS) interfaces the serial MAC data stream and the parallel data of XGMII. Neutral RD,hence current RD not affected by /R/’s insertion or deletion. /K/ or /R/ are neither part of RS protocol nor transported across the XGMII. g. 3 Ethernet standard, physical layer (PHY) provides media-independent interface (MII) to the media access control (MAC) layer, which is 10G media-independent interface (XGMII) in 10G Ethernet and 40G media-independent interface (XLGMII) in 40G Ethernet []. Avalon MM 3. If not, it shouldn't be documented this way in the standard. Code replication/removal of lower rates onto the. The RS adapts bit serial protocols of MAC layer to parallel encodings of 10 Gbps PHY sublayers. The first input of data is encoded into four outputs of encoded data. • /T/-Maps to XGMII terminate control character. A communication device, comprising: at least one data port configured to facilitate data transmission or receipt via a communication network in compliance with a communication protocol; and a lossless interpacket gap (IPG) circuitry configured to detect an IPG interval within a data stream and swap an idle column in the IPG interval with a. PCS B. 15625/10. What is not symmetric is that the XGXS/XAUI/XGXS is not intended to sit "in the middle" of the XGMII so the notion of XAUI as a XGMII "extender" is not altogether appropriate for those individuals that can only envision an extender as something that goes in the middle. PCI Express (PCIe)—Gen1, Gen2, and Gen3 4. 3125Gbps. References 7. Hi , I am working on a project that requires the implementation of XGMII to communicate two FPGAs. PLLs and Clock Networks 4. XFI is a fixed speed protocol. 4. - Wrote testbench to analyze and verify transmitting and receiving packets based on XGMII protocol. §XGXS multiplexes XGMII input and Random AKR Idle. 0 Purpose The RGMII is intended to be an alternative to the IEEE802. What is not symmetric is that the XGXS/XAUI/XGXS is not intended to sit "in the middle" of the XGMII so the notion of XAUI as a XGMII "extender" is not altogether appropriate for those individuals that can only envision an extender as something that goes in the middle. 5 MHz. 3 Clause 46 ratified specification enabling a variety of PHY and MAC chips from different vendors to talk the exact same protocol. 3125 Gbps serial single channel PHY over a backplane. Configuring SGMII Ethernet on the PowerQUICC™ MPC8313E Processor, Rev. Page 3 of 8 1. 3 has the following abstraction layers: In this model SerDes will implement PMA/PMD sublayers, which is the logical sub-block responsible for interface initialization, encoding decoding, and clock alignment. In the transmit direction, the 10GBASE-X PCS accepts packets from the PCS client on the XGMII. . XGMII 10-Gigabit Media Independent Interface Acronym/ Abbreviation Description. PCS B. UG-01144. Avalon ST V. The XGMII design is now provided with the 10-Gig MAC Core in CORE Generator. 25 MHz interface clock. 958559] 8021q: 802. 3 protocol and MAC specification to an operating speedof 10 Gb/s. 4. The DP83867 device is a robust, low power, fully featured Physical Layer transceiver with integrated PMD sublayers to support 10BASE-Te, 100BASE-TX and 1000BASE-T Ethernet protocols. > > XGXS, XAUI and XGMII are supposed to be PMD independent. But you are proposing leaving it in the data stream, encoding it, and shipping it out thru the PMD. • The SONET family of integrated, CMOS-based transceivers for OC-3 to OC-192 based applica-tions features multi-rate SerDes that incorporate MUX, de-MUX and CDR functions. 5G. application Ser. But, on page 102 of the same manual, in the middle paragraph there is a statement, ” For 10GBASE-R, you must achieve 0 ppm of the frequency between the read clock of TX phase compensation FIFO (PCS data) and the write clock of TX. > * The XGXS /A/ character (at least, and maybe others) is not > a part of XGMII protocol, I believe. For example, the 74 pins can transmit 36 data signals and receive 36 data. XGMII Mapping to Standard SDR XGMII Data 5. Read clock. See the 5. (3) The WAN interface sublayer (WIS) implements the OC-192 framing and scrambling functions.