SmartFusion2 MSS MMUART Configuration
Fa'aoga Taiala
Folasaga
O le SmartFusion2 Micro controller Subsystem (MSS) e maua ai le MMUART e lua (APB_0 ma le APB_1 sub buses) ma le Full/Half Duplex, Asynchronouss/ Synchronous mode ma le Modem interface filifiliga.
I luga ole MSS Canvas, e tatau ona e fa'agaoioia (fa'agaoioiga) pe fa'amalo ta'itasi MMUART fa'ata'ita'iga pe o fa'aaogaina i lau talosaga o iai nei. O taimi fa'aletonu MMUART o lo'o taofia i le toe setiina (tulaga aupito maualalo le malosi). Ona o le faaletonu, ua fa'atulaga ports o fa'aoga MMUART e fa'afeso'ota'i i le masini Multi Standard I/Os (MSIOs). Manatua o MSIO e fa'asoa i se fa'ata'ita'iga MMUART o lo'o fa'asoa fa'atasi ma isi masini MSS. O lo'o avanoa nei I/O fefa'asoaa'i e fa'afeso'ota'i i MSS GPIOs ma isi peripheral pe a fa'aletonu le fa'ata'ita'iga MMUART po'o pe a feso'ota'i fo'i ports instance MMUART i le ie FPGA.
Ole amio fa'atino ole fa'ata'ita'iga MMUART ta'itasi e tatau ona fa'amalamalamaina ile tulaga ole talosaga ile fa'aogaina ole Ta'avale SmartFusion2 MSS MMUART na saunia e Microsemi.
I totonu o lenei pepa, matou te faʻamatalaina pe faʻafefea ona e faʻatulagaina MSS MMUART faʻataʻitaʻiga ma faʻamalamalama pe faʻafefea ona fesoʻotaʻi faʻailoga pito i luga.
Mo nisi fa'amatalaga e uiga i le MSS MMUART fa'apipi'i faigata, fa'amolemole va'ai ile SmartFusion2 User Guide.
Filifiliga Fa'atonu
Faiga fa'alua:
- Full Duplex - Tuuina atu faailoilo e lua mo faʻamaumauga faʻasologa, RXD ma TXD
- Half Duplex - Tuuina atu se faʻailoga e tasi mo faʻamaumauga faʻasologa, TXD_RXD
Async/Sync Mode – Filifilia le Faiga Fa'atasi e maua ai se faailo CLK.
Fa'asinomaga Modem – O le filifilia o le fa'aoga Modem e mafai ai ona maua avanoa i ports ta'ito'atasi i le vaega uafu MODEM.
Laulau o Fa'ailoga Fa'ailoga Peripheral
O le fausaga o le SmartFusion2 e maua ai se fuafuaga e sili ona fetuutuunai mo le faʻafesoʻotaʻi faʻailoga pito i luga ole MSIOs poʻo le ie FPGA. Fa'aoga le laulau fa'atulagaina o fa'ailo e fa'amatala ai le mea e feso'ota'i ai lau peripheral i lau talosaga. O le laulau fa'atonu e iai koluma nei (Ata 2-1):
MSIO – Fa'ailoa le igoa fa'ailoga pito i luga ole laiga ua fa'atulaga ile laina tu'u.
So'oga Autu - Fa'aoga le lisi pa'u-lalo e filifili ai pe feso'ota'i le fa'ailo i se MSIO po'o le ie FPGA.
Fa'atonu - Fa'ailoa mai pe o le fa'ailoga o lo'o i totonu, OUT po'o I OUT.
Fa'a pine – Fa'aalia le pine afifi e feso'ota'i ma le MSIO pe a feso'ota'i le fa'ailo i se MSIO.
So'oga Fa'aopoopo - Fa'aoga le Advanced Options siaki-pusa e view isi feso'ota'iga filifiliga:
- Filifili le Ie filifiliga e matau i totonu o le ie FPGA se faailo e fesoʻotaʻi ma se MSIO.
- Filifili le filifiliga GPIO e mata'ituina ai se fa'ailo fa'asinomaga - mai le ie FPGA po'o le MSIO - fa'aaoga le MSS GPIO.
Feso'ota'i Muamuaview
Le So'otaga Muamuaview laulau i le itu taumatau o le MSS MMUART Configurator talanoaga o loʻo faʻaalia ai se kalafi view o feso'ota'iga o lo'o iai nei mo le laina fa'ailoga fa'ailoga (Ata 3-1).
Fete'ena'iga Punaoa
Talu ai ona o le MSS peripherals (MMUART, I2C, SPI, CAN, GPIO, USB, Ethernet MAC) e faʻasoa MSIO ma FPGA fabric access resources, o le faʻatulagaina o soʻo se tasi o nei peripheral e ono iʻu ai i se feteʻenaʻiga o punaoa pe a e faʻapipiʻi se faʻataʻitaʻiga o le peripheral o loʻo iai nei. O fa'atonuga pito i tua e maua ai fa'ailoga manino pe a tula'i mai sea fete'ena'iga.
Punaoa o lo'o fa'aogaina e se fa'aoga pito na fa'apipi'i muamua e i'u ai i ituaiga fa'amatalaga se tolu i le fa'aoga fa'apitonu'u o lo'o iai nei:
- Faʻamatalaga - Afai e le fete'ena'i se puna'oa o lo'o fa'aogaina e se isi peripheral ma le fa'atulagaina o lo'o iai nei, e aliali mai se fa'amatalaga fa'amatalaga i le feso'ota'iga muamuaview laulau, i luga o lena punaoa. O se fa'amatalaga meafaigaluega i luga o le fa'aikona e maua ai fa'amatalaga e uiga i le peripheral e fa'aogaina lena punaoa.
- Lapataiga/Sese - Afai o se punaoa o loʻo faʻaaogaina e se isi itu e feteʻenaʻi ma le faʻatulagaga o loʻo i ai nei, e aliali mai se lapataiga poʻo se faʻailoga sese i le fesoʻotaʻiga muamua.view laulau, i luga o lena punaoa. O se fa'amatalaga meafaigaluega i luga o le fa'aikona e maua ai fa'amatalaga e uiga i le peripheral e fa'aogaina lena punaoa.
A fa'aalia ni mea sese o le a le mafai ona e faia le fa'atulagaga o lo'o iai nei. E mafai ona e fo'ia le fete'ena'iga e ala i le fa'aogaina o se isi fa'asologa po'o le fa'aleaogaina o le fa'asologa o lo'o i ai nei e fa'aaoga ai le fa'amalo.
A faʻaalia lapataiga (ma e leai ni mea sese), e mafai ona e faia le faʻatulagaga o loʻo iai nei. Ae ui i lea, e le mafai ona e gaosia le MSS atoa; o le a e vaʻai i faʻasologa o mea sese i le faʻamalama ogalaau Libero SoC. E tatau ona e fo'ia le fete'ena'iga na e faia ina ua e faia le fa'atulagaga e ala i le toe fa'atulagaina o so'o se tasi o peripheral e mafua ai le fete'ena'iga.
E fa'atino e le fa'atonuga pito i lalo tulafono nei e iloa ai pe tatau ona lipotia se fete'ena'iga o se mea sese po'o se lapataiga.
- Afai o le peripheral o loʻo faʻatulagaina o le GPIO peripheral ona feteʻenaʻi uma lava o mea sese.
- Afai o le peripheral o loʻo faʻapipiʻiina e le o le GPIO peripheral ona feteʻenaʻi uma lava o ni mea sese seʻi vagana o le feteenaiga o loʻo i ai ma se punaoa GPIO lea o feeseeseaiga o le a avea ma lapataiga.
Sese Example
O le USB peripheral e fa'aoga ma fa'aoga le masini PAD e fa'amauina i le afifi pine H27. O le fa'atulagaina o le MMUART_0 peripheral ina ia feso'ota'i le taulaga TXD_RXD i se MSIO o le a i'u ai i se mea sese.
Ata 4-1 fa'aalia le fa'ailoga sese o lo'o fa'aalia i le laulau fa'asoa feso'ota'iga mo le taulaga TXD_RXD.
Ata 4-2 fa'aalia le fa'ailoga sese o lo'o fa'aalia i le mua'iview laulau i luga ole punaoa PAD mo le TXD_RXD uafu.
Lapataiga Example
O le GPIO peripheral o loʻo faʻaogaina ma faʻaogaina le masini PAD e faʻapipiʻi i le pine H27 (GPIO_27).
O le fa'atulagaina o le MMUART_0 peripheral ina ia feso'ota'i le uafu TXD_RXD i se MSIO o le a maua ai se lapataiga.
Ata 4-3 o lo'o fa'aalia ai le fa'ailoga fa'aaliga o lo'o fa'aalia i le laulau fa'asoa feso'ota'iga mo le taulaga TXD_RXD.
Ata 4-4 fa'aalia le fa'ailoga fa'aaliga o lo'o fa'aalia i le mua'iview laulau i luga ole punaoa PAD mo le TXD_RXD uafu.
Fa'amatalaga Example
O le USB peripheral e fa'aoga ma fa'aoga le masini PAD o lo'o fa'amauina i le pine H27 (Ata 4-5).
O le fa'atulagaina o le MMUART_0 peripheral ina ia feso'ota'i le taulaga TXD_RXD i le ie FPGA e le tupu ai se fete'ena'iga. Ae ui i lea, ina ia faʻaalia o ia PAD e fesoʻotaʻi ma le TXD_RXD port (ae le faʻaaogaina i lenei tulaga), o le faʻamatalaga faʻamatalaga o loʻo faʻaalia i le muai.view laulau. O se fa'amatalaga meafaigaluega e feso'ota'i ma le fa'ailoga e maua ai se fa'amatalaga pe fa'apefea ona fa'aogaina le punaoa (USB i lenei tulaga).
Fa'amatalaga Taulaga
Laulau 5-1 • Fa'amatalaga o le Taulaga
| Igoa o le Taulaga | Vaega o Taulaga | Fa'atonuga | Fa'amatalaga |
| TXD | MMUART_ _PADS MMUART_ _IE |
I fafo | Fa'amatalaga fa'asologa fa'asologa i le Full Duplex mode. O faʻamaumauga lea o le a tuʻuina atu mai le Core16550. O lo'o fa'amaopoopoina ma le pine o le BAUD OUT. |
| RXD | MMUART_ _PADS MMUART_ _IE |
In | Fa'amatalaga Fa'asologa Fa'asologa i le Full Duplex mode. O faʻamaumauga lea o le a tuʻuina atu i le Core16550. E fa'amaopoopoina ma le pine fa'aoga PCLK. |
| TXD_RXD | MMUART_ _PADS MMUART_ _IE |
I fafo | Fa'asologa fa'asologa ma fa'amatalaga fa'aoga ile Half Duplex mode. |
| CLK | MMUART_ _CLK MMUART_ _FABRIC_CLK |
I fafo | Uati i le faiga fa'atasi. |
| RTS | MMUART_ _MODEM_PADS MMUART_ _FABRIC_MODEM | I fafo | Talosaga e Auina atu. O lenei faailo maualuga maualuga o loʻo faʻaaogaina e faʻailoa ai le masini faʻapipiʻi (modem) ua sauni Core16550 e lafo faʻamatalaga. E fa'apolokalameina e le PPU e ala i le Modem Control Register. |
| DTR | MMUART_ _PADS_MODEM MMUART_ _FABRIC_MODEM | I fafo | Fa'amaumauga Fa'amaumauga Sauni. O lenei fa'ailo maualuga maualuga o lo'o fa'ailoaina ai le masini fa'apipi'i (modem) o Core16550 ua sauni e fa'atuina se feso'ota'iga feso'ota'iga. E fa'apolokalameina e le PPU e ala i le Modem Control Register. |
| DSR | MMUART_ _PADS_MODEM MMUART_ _FABRIC_MODEM | In | Seti Fa'amatalaga Sauni. O lenei faailo maualuga malosi o se faʻaoga e faʻaalia pe a sauni le masini faʻapipiʻi (modem) e faʻatutuina se fesoʻotaʻiga ma Core16550. Core16550 pasi lenei faʻamatalaga i le PPU e ala i le Modem Status Register. O lenei tusi resitala e faʻaalia ai pe ua suia le faailo DSR talu mai le taimi mulimuli na faitau ai le tusi resitala. |
| CTS | MMUART_ _PADS_MODEM MMUART_ _FABRIC_MODEM | In | Fa'amama e Auina atu. O lenei faailo maualuga malosi o se mea e faʻaalia pe a sauni le masini faʻapipiʻi (modem) e talia faʻamatalaga. Core16550 pasi lenei faʻamatalaga i le PPU e ala i le Modem Status register. O lenei tusi resitala e faʻaalia ai pe ua suia le faailo CTS talu mai le taimi mulimuli na faitau ai le tusi resitala. |
| Igoa o le Taulaga | Vaega o Taulaga | Fa'atonuga | Fa'amatalaga |
| RI | MMUART_ _PADS_MODEM \MMUART_ _FABRIC_MODEM |
in | Faailoilo mama O lenei faailo maualuga malosi o se mea e fa'aalia pe a lagona e le masini fa'apipi'i (modem) se fa'ailo mama i luga o le laina telefoni. Core16550 pasi lenei faʻamatalaga i le PPU e ala i le Modem Status Register. O lenei tusi resitala o loʻo faʻaalia ai le taimi na lagona ai le pito mulimuli o le RI. |
| DCD | MMUART_ _PADS_MODEM MMUART_ _FABRIC_MODEM | In | Su'esu'e e ave fa'amatalaga. O lenei faailo maualuga malosi o se mea e faʻaalia ai le taimi na maua ai e le masini faʻapipiʻi (modem) se vaʻa. Core16550 pasi lenei faʻamatalaga i le PPU e ala i le Modem Status Register. O lenei tusi resitala e faʻaalia ai pe ua suia le faailo DCD talu mai le taimi mulimuli na faitau ai le tusi resitala. |
Manatua
- O igoa o le uafu e iai le igoa o le MMUART fa'ata'ita'iga o se prefix, fa'ata'ita'iga MMUART_ _TXD_RXD.
- Ie 'feso'ota'iga autu' fa'aoga uafu igoa o lo'o iai le “F2M” o se suffix, fa'ata'ita'iga MMUART _ _RXD_F2M.
- Ie 'feso'ota'iga fa'aopoopo' fa'aoga uafu igoa o lo'o iai le “I2F” o se suffix, fa'ata'ita'iga MMUART_ _TXD_RXD_I2F.
- O igoa ole ie e mafai ona gaosia ma fa'aogaina uafu e iai le “M2F” ma le “M2F_OE” e fai ma suffix, eg MMUART_ _TXD_RXD_M2F ma MMUART_ _ TXD_RXD_M2F_OE.
- O pusa PAD e otometi lava ona siitia i luga i le faasologa o mamanu.
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Microsemi SmartFusion2 MSS MMUART Configuration [pdf] Taiala mo Tagata Fa'aoga SmartFusion2 MSS MMUART Configuration, MSS MMUART Configuration, MMUART Configuration |
