Kukonzekera kwa SmartFusion2 MSS MMUART
Wogwiritsa Ntchito
Mawu Oyamba
SmartFusion2 Micro controller Subsystem (MSS) imapereka zida ziwiri zolimba za MMUART (APB_0 ndi APB_1 mabasi ang'onoang'ono) okhala ndi Full/Half Duplex, Asynchronouss/ Synchronous mode ndi mawonekedwe a Modem.
Pa MSS Canvas, muyenera kutsegula (zosakhazikika) kapena kuletsa chochitika chilichonse cha MMUART kutengera ngati chikugwiritsidwa ntchito mu pulogalamu yanu yamakono. Zochitika za MMUART zoyimitsidwa zimasungidwanso (malo otsika kwambiri). Mwachisawawa, madoko a zochitika za MMUART zoyatsidwa amasinthidwa kuti alumikizane ndi Multi Standard I/Os (MSIOs). Dziwani kuti ma MSIO operekedwa ku zochitika za MMUART amagawidwa ndi zotumphukira zina za MSS. Ma I / O ogawana awa amapezeka kuti alumikizane ndi MSS GPIOs ndi zotumphukira zina pomwe MMUART yayimitsidwa kapena ngati madoko a MMUART alumikizidwa ndi nsalu ya FPGA.
Makhalidwe ogwirira ntchito a chochitika chilichonse cha MMUART ayenera kufotokozedwa pamlingo wogwiritsa ntchito SmartFusion2 MSS MMUART Driver yoperekedwa ndi Microsemi.
M'chikalatachi, tikufotokoza momwe mungasinthire zochitika za MSS MMUART ndikutanthauzira momwe zizindikiro zozungulira zimagwirizanirana.
Kuti mumve zambiri za zotumphukira zolimba za MSS MMUART, chonde onani SmartFusion2 User Guide.
Zokonda Zosintha
Duplex Mode:
- Duplex Yathunthu - Imapereka ma siginecha awiri a serial data, RXD ndi TXD
- Half Duplex - Amapereka chizindikiro chimodzi cha serial data, TXD_RXD
Async/Sync Mode - Kusankha Synchronous mode kumapereka chizindikiro cha CLK.
Chiyankhulo cha Modem - Kusankha mawonekedwe a Modem kumathandizira kupeza madoko amodzi pagulu la doko la MODEM.
Peripheral Signals Assignment Table
Zomangamanga za SmartFusion2 zimapereka schema yosinthika kwambiri yolumikizira zotumphukira ndi ma MSIO kapena nsalu ya FPGA. Gwiritsani ntchito tebulo la kasinthidwe ka ntchito kuti mufotokoze zomwe zotumphukira zanu zimalumikizidwa nazo mu pulogalamu yanu. Gulu la ntchito lili ndi zigawo zotsatirazi (Chithunzi 2-1):
MSIO - Imazindikiritsa dzina lachizindikiro chokhazikitsidwa pamzere woperekedwa.
Mgwirizano Wachikulu - Gwiritsani ntchito mndandanda wotsikira pansi kuti musankhe ngati chizindikirocho chikugwirizana ndi MSIO kapena nsalu ya FPGA.
Mayendedwe - Imawonetsa ngati njira ya siginecha ili IN, OUT kapena IN OUT.
Phukusi Pin - Imawonetsa pini ya phukusi yolumikizidwa ndi MSIO pomwe chizindikirocho chilumikizidwa ndi MSIO.
Zowonjezera Zowonjezera - Gwiritsani ntchito bokosi la Advanced Options kuti view njira zowonjezera zolumikizira:
- Sankhani njira ya Nsalu kuti muwone mu nsalu ya FPGA chizindikiro cholumikizidwa ndi MSIO.
- Sankhani njira ya GPIO kuti muwone chizindikiro cholowera - kuchokera ku nsalu ya FPGA kapena MSIO - pogwiritsa ntchito MSS GPIO.
Kugwirizana Kwambiriview
The Connectivity Preview gulu kumanja kwa MSS MMUART Configurator kukambirana limasonyeza graphical view Kulumikizana kwaposachedwa kwa mzere wowunikira (Chithunzi 3-1).
Kusamvana kwa Zida
Chifukwa zotumphukira za MSS (MMUART, I2C, SPI, CAN, GPIO, USB, Ethernet MAC) zimagawana zida za MSIO ndi FPGA zolumikizira nsalu, kasinthidwe ka chilichonse mwa zotumphukira izi zitha kubweretsa mkangano wazinthu mukakonza chitsanzo cha zotumphukira zamakono. Kukonzekera kwapang'onopang'ono kumapereka zizindikiro zomveka bwino pakabuka mkangano wotere.
Zida zomwe zimagwiritsidwa ntchito ndi zotumphukira zomwe zidakhazikitsidwa kale zimabweretsa mitundu itatu ya mayankho muzosintha zaposachedwa:
- Zambiri - Ngati chida chogwiritsidwa ntchito ndi cholumikizira china sichikusemphana ndi kasinthidwe kamakono, chizindikiro chazidziwitso chimawonekera mukamalumikizidwe pre.view gulu, pa gwero limenelo. Chida chothandizira pachithunzichi chimapereka zambiri zazomwe zimagwiritsira ntchito chidacho.
- Chenjezo / Cholakwika - Ngati chida chogwiritsidwa ntchito ndi chotumphukira china chikusemphana ndi kasinthidwe kameneka, chenjezo kapena chithunzi cholakwika chikuwonekera pakulumikizana kusanachitike.view gulu, pa gwero limenelo. Chida chothandizira pachithunzichi chimapereka zambiri zazomwe zimagwiritsira ntchito chidacho.
Zolakwa zikawonetsedwa simungathe kupanga kasinthidwe kameneka. Mutha kuthetsa kusamvanaku pogwiritsa ntchito masinthidwe ena kapena kuletsa zochunira zapano pogwiritsa ntchito batani la Kuletsa.
Pamene machenjezo akuwonetsedwa (ndipo palibe zolakwika), mukhoza kupanga kasinthidwe kameneka. Komabe, simungathe kupanga MSS yonse; mudzawona zolakwika za m'badwo pawindo la log Libero SoC. Muyenera kuthetsa mkangano womwe mudapanga mukamakonza zosinthazo pokonzanso zina mwazomwe zimayambitsa mkanganowo.
Zosintha zam'mbali zimagwiritsa ntchito malamulo otsatirawa kuti zitsimikizire ngati kusamvana kukuyenera kunenedwa ngati cholakwika kapena chenjezo.
- Ngati zotumphukira zomwe zikukonzedwa ndi GPIO zotumphukira ndiye kuti mikangano yonse ndi zolakwika.
- Ngati zotumphukira zomwe zikukonzedweratu sizili zotumphukira za GPIO ndiye kuti mikangano yonse ndi zolakwika pokhapokha ngati mkanganowo uli ndi GPIO pomwe mikangano idzawonedwa ngati machenjezo.
Zolakwika Example
Cholumikizira cha USB chimagwiritsidwa ntchito ndipo chimagwiritsa ntchito chipangizo cha PAD chomangidwa kuti chipange pini H27. Kukonza zotumphukira za MMUART_0 kuti doko la TXD_RXD lilumikizidwe ku MSIO kumabweretsa cholakwika.
Chithunzi 4-1 ikuwonetsa chithunzi cholakwika chomwe chikuwonetsedwa patebulo lolumikizana ndi doko la TXD_RXD.
Chithunzi 4-2 ikuwonetsa chithunzi cholakwika chomwe chikuwonetsedwa mu preview gulu pa PAD zothandizira pa doko la TXD_RXD.
Chenjezo Eksample
Zotumphukira za GPIO zimagwiritsidwa ntchito ndipo zimagwiritsa ntchito PAD yomangidwa kuti ipange pini H27 (GPIO_27).
Kukonza zotumphukira za MMUART_0 kuti doko la TXD_RXD lilumikizidwe ku MSIO kumabweretsa chenjezo.
Chithunzi 4-3 ikuwonetsa chizindikiro cha chenjezo chomwe chikuwonetsedwa patebulo lolumikizidwa padoko la TXD_RXD.
Chithunzi 4-4 ikuwonetsa chizindikiro chochenjeza chomwe chikuwonetsedwa mu preview gulu pa PAD zothandizira pa doko la TXD_RXD.
Zambiri Example
Cholumikizira cha USB chimagwiritsidwa ntchito ndipo chimagwiritsa ntchito chipangizo cha PAD chomangika kuyika pini H27 (Chithunzi 4-5).
Kukonza zotumphukira za MMUART_0 kuti doko la TXD_RXD lilumikizidwe ku nsalu ya FPGA sikuyambitsa mkangano. Komabe, kuwonetsa kuti PAD yolumikizana ndi doko la TXD_RXD (koma osagwiritsidwa ntchito pakadali pano), chithunzi chazidziwitso chikuwonetsedwa mu pre.view gulu. Chida chothandizira cholumikizidwa ndi chithunzichi chimapereka kufotokozera momwe gwero limagwiritsidwira ntchito (USB pankhaniyi).
Kufotokozera kwa Port
Table 5-1 • Kufotokozera Madoko
| Dzina la Port | Port Group | Mayendedwe | Kufotokozera |
| TXD | MMUART_ _PADS MMUART_ _ZINTHU |
Kutuluka | Zambiri zotuluka mu Full Duplex mode. Izi ndizomwe zidzatumizidwa kuchokera ku Core16550. Imalumikizidwa ndi pini yotulutsa ya BAUD OUT. |
| Mtengo RXD | MMUART_ _PADS MMUART_ _ZINTHU |
In | Seri Input Data mu Full Duplex mode. Izi ndizomwe zidzatumizidwa ku Core16550. Imalumikizidwa ndi pini yolowera ya PCLK. |
| TXD_RXD | MMUART_ _PADS MMUART_ _ZINTHU |
Kunja | Kutulutsa kwa serial ndi data yolowetsa mu Half Duplex mode. |
| Mtengo CLK | MMUART_ _CLK MMUART_ _FABRIC_CLK |
Kunja | Koloko mumalowedwe osakanikirana. |
| Zithunzi za RTS | MMUART_ _MODEM_PADS MMUART_ _FABRIC_MODEM | Kutuluka | Pemphani Kutumiza. Chizindikiro chogwira ntchito kwambiri chimagwiritsidwa ntchito kudziwitsa chipangizo cholumikizidwa (modemu) kuti Core16550 yakonzeka kutumiza deta. Imakonzedwa ndi CPU kudzera mu Register Register ya Modem. |
| Mtengo wa DTR | MMUART_ _PADS_MODEM MMUART_ _FABRIC_MODEM | Kutuluka | Data Terminal Yokonzeka. Chizindikiro chogwira ntchito kwambiri chimadziwitsa chipangizocho (modemu) kuti Core16550 yakonzeka kukhazikitsa ulalo wolumikizirana. Imakonzedwa ndi CPU kudzera mu Register Register ya Modem. |
| DSR | MMUART_ _PADS_MODEM MMUART_ _FABRIC_MODEM | In | Data Set Ready. Chizindikiro chogwira ntchitochi ndi cholowetsa chosonyeza pamene chipangizo cholumikizidwa (modemu) chakonzeka kukhazikitsa ulalo ndi Core16550. Core16550 imapititsa izi ku CPU kudzera mu Register Status Registry. Kaundulayu akuwonetsanso ngati chizindikiro cha DSR chasintha kuyambira nthawi yomaliza yomwe kaundula idawerengedwa. |
| Zotsatira CTS | MMUART_ _PADS_MODEM MMUART_ _FABRIC_MODEM | In | Zomveka Kutumiza. Chizindikiro chapamwamba chogwirachi ndi cholowetsa chomwe chimasonyeza pamene chipangizo cholumikizidwa (modemu) chakonzeka kuvomereza deta. Core16550 imapititsa izi ku CPU kudzera mu registry ya Modem Status. Regista iyi ikuwonetsanso ngati chizindikiro cha CTS chasintha kuyambira nthawi yomaliza yomwe kaundula idawerengedwa. |
| Dzina la Port | Port Group | Mayendedwe | Kufotokozera |
| RI | MMUART_ _PADS_MODEM \MMUART_ _FABRIC_MODEM |
in | Chizindikiro cha mphete. Chizindikiro chapamwamba chogwirachi ndi cholowetsa chomwe chikuwonetsa pamene chipangizo cholumikizidwa (modemu) chamva chizindikiro cha mphete pa chingwe cha foni. Core16550 imapititsa izi ku CPU kudzera mu Register Status Registry. Kaundulayu akuwonetsanso pomwe m'mphepete mwa RI adawoneka. |
| DCD | MMUART_ _PADS_MODEM MMUART_ _FABRIC_MODEM | In | Deta Carrier Detect. Chizindikiro chapamwamba chogwirachi ndi cholowetsa chosonyeza pamene chipangizo cholumikizidwa (modemu) chazindikira chonyamulira. Core16550 imapititsa izi ku CPU kudzera mu Register Status Registry. Kaundulayu akuwonetsanso ngati chizindikiro cha DCD chasintha kuyambira pomwe kaundula idawerengedwa. |
Zindikirani
- Mayina a madoko ali ndi dzina lachiwonetsero cha MMUART ngati chiyambi, mwachitsanzo MMUART_ _TXD_RXD.
- Maina a madoko a nsalu 'main connection' ali ndi "F2M" monga cholumikizira, mwachitsanzo MMUART _ _RXD_F2M.
- Maina a madoko ansalu 'owonjezera' ali ndi "I2F" monga cholumikizira, mwachitsanzo MMUART_ _TXD_RXD_I2F.
- Kutulutsa kwa nsalu ndi madoko omwe amalola kutulutsa mayina ali ndi "M2F" ndi "M2F_OE" monga chowonjezera, mwachitsanzo MMUART_ _TXD_RXD_M2F ndi MMUART_ _ TXD_RXD_M2F_OE.
- Madoko a PAD amakwezedwa okha pamwamba pamakonzedwe onse.
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Kusintha kwa Microsemi SmartFusion2 MSS MMUART [pdf] Buku Logwiritsa Ntchito Kukonzekera kwa SmartFusion2 MSS MMUART, Kusintha kwa MSS MMUART, Kusintha kwa MMUART |
