Max24287 1gbps paralleltoserial mii converter microsemi. View online or download xilinx logicore ip ethernet basex pcspma or sgmii v9. Implementing sgmii interfaces on the powerquicc iii, rev. The reduced gigabit media independent interface rgmii module provides an rgmii interface to an existing ethernet mac design with a gmii or tbi interface, for example the gigabit ethernet mac gem available from cadence design foundry. This interface supports 10, 100 and baset modes of operation, as mentioned above. Contribute to freecoressgmii development by creating an account on github. Receive sgmii clock recovered from data stream no external sgmii receive clock. I am attempting to customize and instantiate a 1g2. Pdf design and realization of gigabit ethernet interface based on. The rgmii specification document can be downloaded from. Rgmii constraints basex ds297 sgmii specification ieee switch sgmii mii gmii rgmii phy xilinx spartan ucf file 6 sgmii xilinx efditemacproj text.
Ethernet quad serial gigabit media independent interface. So if you want to do sgmi to sgmii youre going to have to pick a format and have your code for that. Eoptolink sgmii sfp is designed for 100basefx applications, with buildin phy device supporting sgmii interface. This device interfaces directly to the mac layer through reduced gmii rgmii or embedded clock serial gmii sgmii. Microsd card interface, micro sd card interface connector j83 molex 5025700893 33 5 usb jtag interface, wmicrob connector digilent usb jtag module 16 6 clock generation, sysclk and other clocks, 1. Reduced gigabit media independent interface rgmii technical. Physicalside interface phy mode to connect to an ex ternal phy through gigabit media independent interface media independent interface gmiimii. The latest switch will operate its port interface using the sgmii interface.
In gigabit ethernet its the sgmii serial gigabit media independent interface. It is further assumed that the sfp module discussed in this interface is ac coupled, which is the typical connector in the sgmii systems. Xilinx logicore ip ethernet basex pcspma or sgmii v9. The reference designs offer the following features.
Application note an2036 frequently asked questions regarding. What is the abbreviation for serial gigabit media independent interface. Apr 24, 2012 the sgmii serial gigabit media independent interface is a supplement of mii,a standard interface used to connect an ethernet macblock to a phy. The devicespecific transceiver is connected to an external offtheshelf ethernet mac device that also supports 1g or 2. Description fiberbit sgmii sfp is designed for 100basefx applications, with buildin phy device supporting sgmii interface. Figure 2 shows two examples of a gigabit ethernet line card with an intel fpga connected by the sgmii interface to a 10100 mbps or gigabit ethernet sfp. Serdes implementation guidelines for keystone devices. It interfaces directly to twisted pair media through an external transformer. The gmii of the ethernet basex or 2500basex pcspma is connected to an. Sgmii interface implementation using softcdr mode of. This application note provides detailed information of possible.
Figure top xref 2 gmiimii or rgmii xilinx fpga ethernet mac switch or, phy side gmii to the ethernet basex pcspma or sgmii core from xilinx. They are designed to enable a new generation of low port count, costsensitive and power efficient 10100mbps switch systems. Oct 22, 2017 the serial gigabit media independent interface sgmii is a popular gigabit ethernet phy interface, and it holds various advantages over both gmii and rgmii. Sgmii to sgmii connection processors forum processors. Serial rapidio srio antenna interface aif hyperlink.
Review of ethernet sgmii concepts mind chasers inc. Pdf on sep 1, 2012, yinan wang and others published design and. Sgmii abbreviation stands for serial gigabit media independent interface. Serial gigabit media independent interface sgmii interfaces peripheral component interconnect express pcie serial rapidio is an industrystandard high speed switchedpacket. These two devices are connected using a media independent interface mii. The standard serial id information compatible with sfp msa describes the transceivers capabilities, standard interfaces, manufacturer and other information. Hello, i am currently trying to get the kcu116 sgmii 10100 ethernet phy working in a simple design. This can be the xilinx trimode ethernet mac core connected to the 1g2. Apr 08, 2008 the assignee of the present application developed the sgmii serial gigabit media independent interface to reduce the pin count to 6 pins per interface.
Triplespeed ethernet megacore function user guide pdf. Mdi medium dependent interface or management data input. The two standards supported are sufficiently similar to be supported in the same core. If it gets no response on that interface, the driver will report the device inoperable and exit. In this code use the module that converts the interface of at93c46, used by sitcp, to eeprom m24c08 of kc705. Sgmiiserdes interface sounds like you connected sgmii device in cdr mode, so in that case you have to place ac coupling caps near receiving end. And also one ethernet device driver should work with the nic hardware. Ksz8863 interface and networking ethernet switches. Ethernet quad serial gigabit media independent interface qsgmii ip product brief ethernet quad serial gigabit media independent interface qsgmii ip datasheet continue with your download. The use of this design is governed by, and subject to, the terms and conditions of the altera hardware reference design license agreement. Getting started guides booting linux using prebuilt sd card image. As is known in the art, sgmii uses two data signals and two clock signals to convey frame data and link rate information between a 10100 phy and an ethernet mac.
Standard 4bit interface between the mac and the phy for communicating tx and rx frame data. It is utilised for gigabitethernet contrary to ethernet 10100 for mii. You can load the sgmii image on the i210, it will expect an external sgmii phy to be connected to the mdio i2c interface. Sgmii is defined as serial gigabit media independent interface somewhat frequently. Low power consumption, advanced power management and sophisticated qos features e. Sgmii is a further pin reduction of gmii as it is only a 4pin interface. Sitcp sample code for kc705 sgmii this is the sitcp sample source code sgmii version for kc705 communication confirmation. The ksz8863mllfllrll are highly integrated 3port switch ics in a small footprint. The rgmii interface has been designed in accordance with the standards and specifications agreed in the. Latticesc sgmii solution gmii user io control interface gmii gmii 8bi sgmii management interface quad pcs control bus 125mhz refclk macphy mode 8 bits at 125mhz 8 bits at 125mhz 4 or. Sgmii interface implementation using softcdr mode of stratix iii devices device.
Constraint rgmii interface of triple speed ethernet with the. The dp83867 is designed for easy implementation of 10100 mbps ethernet lans. The values for caps is depend on the length of differential signals 10nf to 100nf for better termination. A10 sgmii reference design user manual documentation. The lvds ios in the intel stratix 10, intel arria 10, stratix v, stratix iv, stratix iii, arria v, arria ii gx fast speed grade, intel cyclone 10 gx and lp fpgas allow you to easily implement the serial gigabit media independent interface sgmii for 10100 mb or gigabit ethernet. The mediaindependent interface mii was originally defined as a standard interface to connect a fast ethernet i.
It replaces the classic 22wire gmii connection with a low pin count, 4pair, differential sgmii connection. Implementing sgmii interfaces on the powerquicc iii. The serial gigabit mediaindependent interface sgmii is a variant of mii, a standard interface used to connect an ethernet mac block to a phy. The serial gigabit media independent interface sgmii is a connection bus for ethernet media access controllers macs and physical layer devices phys defined by cisco systems. View and download xilinx logicore basex user manual online. Sgmii communication of ethernet switch is verified between another device.
These devices have builtin serializerdeserializer serdes circuitry that supports highspeed. Serdesbased interfaces on the keystone i family of dsp devices. Sgmii stands for serial gigabit media independent interface. What is the exact difference between sgmii and basex. Implementation of one triplespeed ethernet ip core instance supporting 10100mbps ethernets operations with rgmii or sgmii with autonegotiation. The ethernet basex pcspma or sgmii ip core is a fullyverified solution that. Lowpower, robust gigabit ethernet phy transceiver with sgmii. Dp83tc811 systems and reference schematics texas instruments. It differs from gmii by its lowpower and low pincount serial interface commonly referred to as a serdes. The arria 10 sgmii reference design provides a set of essential hardware and software system components that can be used as a starting point for various custom user designs. The table below shows how to enable sgmii and advertise all speeds and fullhalfduplex using register writes to the phy over the 2wire serial interface see question 5. The data and clock are embedded and transmitted on a two pin differential interface in both directions. It could instead connect to a baset phy device using the same sgmii interface.
Autonegotiation is controlled and monitored via the pqiii tenbit interface tbi and the tbi mii set of registers. Linking cpus with rgmii interfaces to sgmiibased switches. It is used for gigabit ethernet but can also carry 10100 mbits ethernet. So your ethernet chip would connect to a basex phy using sgmii. The list of acronyms and abbreviations related to sgmii serial gigabit media independent interface. Both the vsc8211 and vsc8224 cannot perform a full rgmiito sgmii conversion.
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