Litaba pata
1 Mojule oa MICROCHIP AC480 Fpga Sfp PolarFire
2 Litaelo tsa Tšebeliso ea Sehlahisoa
3 Mojule oa PolarFire FPGA SFP+
4 Lintlha tsa Moralo oa Litšupiso tsa Hardware
5 Litokomane / Lisebelisoa
5.1 Litšupiso

MICROCHIP-LOGO

Mojule oa MICROCHIP AC480 Fpga Sfp PolarFire

MICROCHIP-AC480-Fpga-Sfp-Module-PolarFire-SEHLAHISOA

Litlhaloso:

Litaelo tsa Tšebeliso ea Sehlahisoa

Mojule oa PolarFire FPGA SFP+
Mojule oa PolarFire FPGA SFP+ o etselitsoe ho fana ka bokhoni ba puisano ea data bo potlakileng.

Setšoantšo sa Block sa SFP+ Module
Setšoantšo sa boloko se bontša likarolo tsa kahare le likhokahano tsa mojule oa SFP+.

Litekanyo tsa Mojule oa SFP+
Sheba litekanyo tse fanoeng bakeng sa ho kenya le ho kopanya hantle mojule oa SFP+.

Nalane ea Phetoho
Nalane ea ntlafatso e hlalosa liphetoho tse kentsoeng tšebetsong tokomaneng. Liphetoho li thathamisitsoe ka ntlafatso, ho qala ka khatiso ea morao-rao.

Phetolelo ea 1.0
Khatiso ea pele ea tokomane ena.

Mojule oa PolarFire FPGA SFP+

Mojule oa Microsemi oa 10G optical SFP+ ke tharollo ea transceiver ea optical ea boemo ba sistimi e hahiloeng ka matla a tlase ka ho fetisisa, sebopeho se senyenyane ka ho fetisisa, le PolarFire® FPGA e sireletsehileng haholo.

Li-FPGA tsa PolarFire li fana ka likarolo tse latelang tse hlokahalang bakeng sa lits'ebetso tsa puisano ea data:

  • Foromo e nyane e nang le 11 mm x 14.5 mm
  • Mofuta oa sesebelisoa sa maemo a mahareng (MPF200 FPGA) o nang le 192K LEs (DFFs + LUTs)
  • Advan ea matla a tlasetage hlokahalang bakeng sa lits'ebetso tse thehiloeng ho SFP/SFP+
  • E sireletsehile haholo ebile e tšepahala ka mokhoa oa ho ngolla inthaneteng
  • Li-transceiver tse sebetsang hantle ho 12.7G

Ka hona, lits'ebetso tse bohlale tsa SFP/SFP+ tse thehiloeng ho PolarFire FPGA li boloka nako le litšenyehelo tsa moralo ntle le ho beha ts'ebetso kotsing. Lisebelisoa tsa SFP+ tse potolohileng Routers, OAM, OLT/ONU, OTN, 1588, SyncE, le SDN li ka hahuoa ho sebelisoa PolarFire FPGAs.

Bakeng sa tlhahisoleseding e batsi ka lelapa la PolarFire FPGA, bona PolarFire FPGAs.
Sesebediswa sa MPF200T-FCSG325 se sebediswa mojuleng wa SFP+. MPF200 e kenyeletsa 192K LEs (DFFs + LUTs) mme e tla le 11 mm × 14.5 mm form factor, e leng se etsang hore sephutheloana sena sa sesebediswa se tshwanelehe hantle bakeng sa ditshebediso tsa SFP+.

Lengolo lena la kopo le hlalosa kamoo PolarFire FPGA e ka sebelisoang kateng ho aha mojule oa SFP+ 'me le fana ka litataiso ho:

  • Haha mojule oa SFP+ o thehiloeng ho FPGA ka har'a ntlha e nyane e fanoeng.
  • Rala botšepehi ba matla bo sebetsang hantle bakeng sa mojule le ho rala botšepehi ba lets'oao la ts'ebetso e phahameng bakeng sa mesaletsa ea lebelo le phahameng.

Setšoantšo sa Block sa SFP+ Module

Setšoantšo se latelang se bontša setšoantšo sa boloko sa mojule oa SFP+.

MICROCHIP-AC480-Fpga-Sfp-Module-PolarFire-Setšoantšo- (1)

Mojule oa SFP+ o na le likarolo le lipehelo tse latelang:

  • Mollo oa Polar MPF200T-FCSG325 FPGA
  • Potoloho e thusang ea PolarFire FPGA bakeng sa ho matlafatsa
  • Potoloho ea ho otlolla le ho etsa mananeo
  • Bakhanni ba mela
  • Ho fokotsa amplifiers
  • Puisano ea mahlo:
    • Ho hlokahala kopano e nyane ea Optical ea Receiver (ROSA) bakeng sa puisano ea optical
    • Ho hlokahala kopano e nyane ea optical transmitter (TOSA) bakeng sa puisano ea optical
  • Tokisetso ea mokhanni oa TX/RX ea lebelo le phahameng e le 'ngoe e tsamaeang ho tloha ho PolarFire FPGA ho ea ho Line/ampmoqhobi
  • Matshwao a mmalwa a lehlakore ho laola potoloho e nngwe
  • Sehokelo sa Edge

Litekanyo tsa Mojule oa SFP+
Litekanyo tsa kemiso ea mojule li bontšitsoe setšoantšong se latelang.

MICROCHIP-AC480-Fpga-Sfp-Module-PolarFire-Setšoantšo- (2)

Hlokomela: Litekanyo tsohle setšoantšong li ka mm.

Bakeng sa tlhahisoleseding e batsi ka SFP+ ho tloha ho factor, bona tlhaloso ea SFF-8432.

Lintlha tsa Moralo oa Litšupiso tsa Hardware

Setšoantšo sa Li-block tsa FPGA
Setšoantšo se latelang sa boloko ba hardware se bontša meralo e tloaelehileng ea mojule oa SFP+ o thehiloeng ho FPGA.

MICROCHIP-AC480-Fpga-Sfp-Module-PolarFire-Setšoantšo- (3)

Taolo le Tšebeliso ea Matla
PolarFire FPGA e hloka motlakase oa mantlha (VDD) le motlakase oa transceiver (VDA) ho 1V0. Molumo o mongtagLi-rails tsa e VDD25 le VDDA25 ho 2V5, le VDD18 ho 1V8 li bontšitsoe ho Setšoantšo sa 4, leqephe la 6. Hona joale ea mantlha (VDD) e itšetlehile ka boholo ba moralo o hlophisitsoeng ho FPGA.

Bakeng sa ts'ebeliso e tloaelehileng ea SFP+, motlakase oa mantlha o pakeng tsa 1A le 2A. Ho khothalletsoa haholo ho hlahloba tšebeliso ea motlakase (ho sebelisoa Microsemi Power Estimator) bakeng sa lireile tse fapaneng pele o phethela linomoro tsa motlakase hobane li ka fapana ho latela moralo. Sesebelisoa sa Power Estimator se fumaneha ho https://www.microsemi.com/document-portal/doc_download/136554-polarfire-power-estimator.

MICROCHIP-AC480-Fpga-Sfp-Module-PolarFire-Setšoantšo- (4)

Tafole e latelang e thathamisa li-capacitor tse khothaletsoang tsa ho arola tse lokelang ho sebelisoa bakeng sa sesebelisoa sa PolarFire.

Lethathamo la 1 • Li-Capacitor tse Khothaletsoang tsa ho Fokotsa ho Kopanya

MICROCHIP-AC480-Fpga-Sfp-Module-PolarFire-Setšoantšo- (5)

Sekema sa Transceiver
Setšoantšo se latelang se bontša kamoo transceiver e hokahanang le sehokelo sa moeli, mokhanni oa laser, le amppotoloho ea lifier.

MICROCHIP-AC480-Fpga-Sfp-Module-PolarFire-Setšoantšo- (6)

Jwalo ka ha ho bontshitswe ho Setshwantsho sa 5, leqephe la 6, sehokelo sa lehlakore se hokahane le Lane 2 ya boloko ba PolarFire XCVR, le Mokganni wa Laser le amplikhokahano tsa yuniti ea lififier le Lane 0.
Bakeng sa tlhahisoleseding e batsi ka PolarFire Transceiver, bona UG0677: Tataiso ea Basebelisi ea PolarFire FPGA Transceiver.

Oache ea Litšupiso ea Transceiver
Sesupa-tsela sa 156.25 MHz se fumaneha mojuleng ho fana ka oache ea litšupiso ho block ea transceiver ea PolarFire phini ea XCVR_0A_REFCLK. Tlhahiso ea sesupa-tsela ke LVDS e tloaelehileng. Bakeng sa tlhaiso-leseling e batsi mabapi le litšobotsi tsa motlakase le maemo a tšehetsang a oache ea litšupiso, bona DS0141: Leqephe la data la PolarFire FPGA.

MICROCHIP-AC480-Fpga-Sfp-Module-PolarFire-Setšoantšo- (7)

Li-interface tsa Lenaneo la FPGA
PolarFire FPGA e ka hlophisoa ka SPI. Lintlha tsa teko lia fumaneha bakeng sa JTAG matshwao feela bakeng sa morero wa ho lokisa diphoso. Karolo e latelang e hlalosa sebopeho sa lenaneo la SPI.

  1. Lenaneo la SPI
    Lenaneong la mananeo la SPI, PolarFire FPGA mojuleng oa SFP+ e iketsetsa mananeo ho tsoa ho SPI
    Flash. SPI e tšehetsa lenaneo la ka hare ho lenaneo (IAP) le ntlafatso ea boiketsetso. Setšoantšo se latelang se bontša morero oa lenaneo la SPI.

MICROCHIP-AC480-Fpga-Sfp-Module-PolarFire-Setšoantšo- (8)

Ho nolofalletsa lenaneo la IAP, li-pin tse latelang tsa FPGA li tlameha ho beoa holimo:

  • A10 (SC_SPI_ENABLE)
  • A9 (SC_IO_CFG_INTERFACE)

Litlhaloso tsa SPI Flash mojuleng ke tse latelang:

  • Boima: 128 Mb
  • Moqtage: 2.7 V ho isa ho 3.6 V (S25FL127SABNFI101)
  • Tšehetso ea mokhoa oa SPI: Mekhoa ea 0 le ea 3
  • BANKA E IKHETHILENG: 3
    Bakeng sa tlhahisoleseding e batsi ka lenaneo la FPGA, sheba UG0714: Tataiso ea Basebelisi ba Lenaneo la FPGA la PolarFire.

Mokhanni oa Laser le Moeli Ampmoqhobi
Mojule ona o na le motsoako oa mokhanni oa VCSEL le ho fokotsa amplifier e nang le taolo ea dijithale ea terata tse 3 e hokahaneng le FPGA. Sebopeho sena sa terata tse 3 se nolofalletsa FPGA ho fihlella lirejistara tsa mokhanni oa Laser le ampmoqhobi.

MICROCHIP-AC480-Fpga-Sfp-Module-PolarFire-Setšoantšo- (9)

Ho beoa ha likarolo
Karolo ena e hlalosa karolo e ka holimo le e ka lehlakoreng view ea sebaka sa FPGA.

  1. Sebaka se ka Holimo sa FPGA
    Setšoantšo se latelang se bontša holimo view ea sebaka sa FPGA.

MICROCHIP-AC480-Fpga-Sfp-Module-PolarFire-Setšoantšo- (10)

Sebaka se ka Tlase sa FPGA
Setšoantšo sa 10, leqephe la 9 se bontša karolo e ka tlase view ea sebaka sa FPGA.

MICROCHIP-AC480-Fpga-Sfp-Module-PolarFire-Setšoantšo- (11)

Mojaro oa Module

  1. Ho Hloma le ho Boloka Thepa
    Mojule oa PolarFire SFP+ o entsoe ka PCB ea mekhahlelo e tšeletseng 'me thepa e sebelisitsoeng ke Nelco 4000-13SI.
    Ho bokellana ha lintho ho tjena:
    1. Holimo
    2. EA-1
    3. SIG1
    4. Matla
    5. EA-2
    6. Tlase
      Hlokomela: Botenya bohle ba PCB ke 1 mm ka ho nepahala ha +/- 0.1 mm.
  2. Arola Lera ka Lera
    Ho phatloha ha Lera ka Lera ho bontšitsoe litšoantšong:
    1.  Top Layer
      Setšoantšo se latelang se bontša lera le ka holimo.MICROCHIP-AC480-Fpga-Sfp-Module-PolarFire-Setšoantšo- (12)
    2. Lera la GND1
      Setšoantšo se latelang se bontša lera la GND1.MICROCHIP-AC480-Fpga-Sfp-Module-PolarFire-Setšoantšo- (13)
    3. Lera la SIG1
      Setšoantšo se latelang se bontša lera la SIG1.MICROCHIP-AC480-Fpga-Sfp-Module-PolarFire-Setšoantšo- (14)
    4. Lera la Matla
      Setšoantšo sa 14, leqephe la 11 se bontša lera la matla.MICROCHIP-AC480-Fpga-Sfp-Module-PolarFire-Setšoantšo- (15)
    5. Lera la GND2
      Setšoantšo se latelang se bontša Lera la GND2.MICROCHIP-AC480-Fpga-Sfp-Module-PolarFire-Setšoantšo- (16)
    6. Lera la Tlase
      Setšoantšo se latelang se bontša lera le ka tlase.

MICROCHIP-AC480-Fpga-Sfp-Module-PolarFire-Setšoantšo- (17)

Litlhahiso tsa Botšepehi ba Matla
Li-capacitor tsa boto tse khothaletsoang li thathamisitsoe ho Tafole ea 1, bakeng sa ts'ebeliso ea SFP+. Li-capacitor tse ngata bakeng sa VDD tse boletsoeng ho Tafole ea 1, ke tsa sesebelisoa sa PolarFire feela. Tafole ea 1, ha e thathamise li-capacitor tse hlokahalang bakeng sa tlhahiso ea molaoli. Tlhahiso ea molaoli e tlameha ho latela litlhaloso tsa capacitor tsa morekisi oa molaoli.

  • Litlhahiso tsa capacitor ea bongata bakeng sa VDD li thehiloe ho 1.5A ea ts'ebeliso.
  • Ho lokela ho elwa hloko ha ho tsamaiswa sefofane sa VDD. Netefatsa hore sefofane se tsamaiswa e le sefofane se inehetseng e le hore ho se be le ho theoha ha IR sebakeng sefe kapa sefe sa letlowa. Sena se tla boela se netefatse hore ho phatloha ha VDD ho bonyane.
  • Beha di-capacitor tsohle tsa 0.1 μF le 0.01 μF tlasa sesebediswa sa BGA.
    Hlokomela: Bakeng sa tlhahisoleseding mabapi le dikgokelo tse kgothalletswang bakeng sa phepelo ya motlakase e sa sebediswang, bona Setshwantsho sa 3 le sa 4 sa UG0726: Tataiso ya Mosebedisi wa Moralo wa Boto ya PolarFire FPGA.

Litlhahiso tsa Botšepehi ba Letšoao
Litataiso tse latelang lia khothaletsoa bakeng sa ho tsamaisa mokhoa oa ho latela li-transceiver tse lebelo le holimo:

  1. Bolelele ba ho bapisa pakeng tsa P le N ka hare ho 1 mil.
  2. Boloka impedance e pakeng tsa 85 le 100 ohms.
  3. Mohlala ka, BGA pad le di-connector di-discontinuities ho tsamaisana le trace impedance.
  4. Sebelisa mekhoa e fapaneng e kopantsoeng ka mokhoa o sa fellang.
  5. Sebelisa thepa ea PCB e nang le tahlehelo e tlase.
  6. Sebelisa thepa ea PCB ea koporo e nang le roughness e tlase.
    Bakeng sa tlhahisoleseding e batsi mabapi le ho tsamaisa matshwao a lebelo le phahameng, bona karolo ya 4.2 ya UG0726: Tataiso ya Mosebedisi wa Moralo wa Boto ya PolarFire FPGA.

Ketsiso ea IBIS-AMI
Ketsiso ea IBIS-AMI e entsoe ho e 'ngoe ea mesaletsa e tlohang ho PolarFire FPGA TX ho ea ho SFP man connector. 'Me, setšoantšo sa leihlo se ile sa nkuoa sehokelong. Topology ea ketsiso e bontšitsoe ho Setšoantšo sa 18, leqephe la 13.

MICROCHIP-AC480-Fpga-Sfp-Module-PolarFire-Setšoantšo- (18)

Hlokomela: Mefuta ea IBIS-AMI e fumaneha ho: https://www.microsemi.com/products/fpga-soc/design-resources/ibis-models/ibis-models-polarfire

  • Liparamitha tsa simulations bakeng sa IBIS-AMI ke tse latelang:
    • TX ampmatla: 400 mV
    • Khatello ea maikutlo: 0 dB
    • Impedance ea mokhanni: 100 ohms
  • Jwalo ka ha ho bontshitswe ho Setšoantšo sa 18, leqephe la 13, setshwantsho sa mahlo se ne se kenyeletsa maske ya mahlo e tsamaellanang le SFP. Setšoantšo sa mahlo se fetisa tlhaloso ya maske ya mahlo ya SFP ho ketsiso. Setšoantšo sa mahlo se bontsha hore motsu o ntlafaditswe bakeng sa dikgeo tsohle.

MICROCHIP-AC480-Fpga-Sfp-Module-PolarFire-Setšoantšo- (19)

Litokomane / Lisebelisoa

Mojule oa MICROCHIP AC480 Fpga Sfp PolarFire [pdf] Buka ea Taelo
Mojule oa AC480 Fpga Sfp PolarFire, AC480, Mojule oa Fpga Sfp PolarFire, Mojule oa Fpga Sfp PolarFire, Mojule oa Fpga Sfp, Mojule oa Polarfire

Litšupiso

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