SmartFusion2 MSS MMUART Kanfigareshan
Jagorar Mai Amfani
Gabatarwa
SmartFusion2 Micro Controller Subsystem (MSS) yana samar da maƙallan MMUART guda biyu (APB_0 da APB_1 ƙananan ƙananan buss) tare da Cikakken/Rabin Duplex, Yanayin Asynchronouss/ Daidaitawa da zaɓi na Modem.
A kan Canvas na MSS, dole ne ku kunna (tsoho) ko kashe kowane misalin MMUART dangane da ko ana amfani da shi a aikace-aikacenku na yanzu. MMUART nakasassu ana gudanar da su a sake saiti (mafi ƙarancin wutar lantarki). Ta hanyar tsohuwa, an saita tashoshin tashoshin da aka kunna MMUART don haɗawa zuwa na'urar Multi Standard I/Os (MSIOs). Lura cewa MSIOs da aka keɓe ga misalin MMUART ana raba su tare da wasu na'urorin MSS. Waɗannan I/Os ɗin da aka raba suna samuwa don haɗawa zuwa MSS GPIOs da sauran kayan aiki lokacin da misalin MMUART ya kasance naƙasasshe ko kuma idan tashar tashar MMUART ta haɗa da masana'anta na FPGA.
Dole ne a bayyana halayen aikin kowane misali na MMUART a matakin aikace-aikacen ta amfani da SmartFusion2 MSS MMUART Driver wanda Microsemi ya samar.
A cikin wannan daftarin aiki, mun bayyana yadda zaku saita misalan MSS MMUART da ayyana yadda ake haɗa siginonin gefe.
Don ƙarin cikakkun bayanai game da kayan aikin MSS MMUART masu wuya, da fatan za a koma zuwa Jagorar mai amfani na SmartFusion2.
Zaɓuɓɓukan Kanfigareshan
Yanayin Duplex:
- Cikakken Duplex - Yana ba da sigina biyu don bayanan serial, RXD da TXD
- Half Duplex - Yana ba da sigina guda ɗaya don bayanan serial, TXD_RXD
Yanayin Async / Daidaitawa - Zaɓin yanayin aiki tare yana ba da siginar CLK.
Modem Interface - Zaɓin hanyar sadarwa na Modem yana ba da damar samun dama ga kowane tashar jiragen ruwa a cikin rukunin tashar tashar MODEM.
Teburin Ayyuka na Sigina na Wuta
Gine-gine na SmartFusion2 yana ba da tsari mai sassauƙa don haɗa siginar gefe zuwa ko dai MSIOs ko masana'anta na FPGA. Yi amfani da teburin daidaita aikin siginar don ayyana abin da ke kewaye da ku a cikin aikace-aikacenku. Teburin aikin yana da ginshiƙai masu zuwa (Hoto 2-1):
MSIO - Yana gano sunan siginar gefen da aka saita a jere da aka bayar.
Babban Haɗin kai - Yi amfani da jerin zaɓuka don zaɓar ko an haɗa siginar zuwa MSIO ko masana'anta na FPGA.
Hanyar - Yana nuna idan alamar siginar tana ciki, FITA ko A FITA.
Kunshin Kunshin - Yana nuna fil ɗin fakitin da ke da alaƙa da MSIO lokacin da aka haɗa siginar zuwa MSIO.
Ƙarin Haɗin kai - Yi amfani da Akwatin Zaɓuɓɓuka masu ci gaba zuwa view ƙarin zaɓuɓɓukan haɗi:
- Zaɓi zaɓin Fabric don lura a cikin masana'anta na FPGA siginar da ke da alaƙa da MSIO.
- Zaɓi zaɓin GPIO don lura da siginar jagorar shigarwa - daga ko dai masana'anta na FPGA ko MSIO - ta amfani da MSS GPIO.
Haɗuwa Preview
Haɗin kai Preview panel a hannun dama na maganganun Configurator MSS MMUART yana nuna hoto view na haɗin kai na yanzu don layin siginar da aka haskaka (Hoto 3-1).
Rikicin Albarkatu
Saboda abubuwan da ke kewayen MSS (MMUART, I2C, SPI, CAN, GPIO, USB, Ethernet MAC) suna raba kayan samun damar masana'anta na MSIO da FPGA, tsarin kowane ɗayan waɗannan abubuwan na iya haifar da rikici na albarkatu lokacin da kuka saita misali na gefen na yanzu. Saitunan gefe suna ba da fayyace ma'ana idan irin wannan rikici ya taso.
Abubuwan da aka tsara a baya na sakamako na gefe sun yi amfani da su a cikin nau'ikan ra'ayi guda uku a cikin mahallin mahalli na yanzu:
- Bayani - Idan albarkatun da wani yanki ke amfani da shi bai yi karo da tsarin na yanzu ba, gunkin bayanin yana bayyana a cikin haɗin kai kafinview panel, a kan wannan albarkatun. Tushen kayan aiki akan gunkin yana ba da cikakkun bayanai game da abin da ke gefen ke amfani da wannan albarkatun.
- Gargaɗi/Kuskure – Idan albarkatun da wani yanki ke amfani da shi ya yi karo da tsarin na yanzu, gunkin faɗakarwa ko kuskure yana bayyana a cikin haɗin haɗin kai.view panel, a kan wannan albarkatun. Tushen kayan aiki akan gunkin yana ba da cikakkun bayanai game da abin da ke gefen ke amfani da wannan albarkatun.
Lokacin da kurakurai suka bayyana ba za ku iya yin daidaitaccen tsari na yanzu ba. Kuna iya ko dai warware rikicin ta amfani da wani tsari na daban ko soke tsarin na yanzu ta amfani da maɓallin Cancel.
Lokacin da aka nuna gargadi (kuma babu kurakurai), zaku iya aiwatar da tsarin na yanzu. Koyaya, ba za ku iya ƙirƙirar MSS gabaɗaya ba; za ku ga kurakuran tsara a cikin taga Login Libero SoC. Dole ne ku warware rikice-rikicen da kuka ƙirƙira lokacin da kuka aiwatar da tsarin ta sake saita ɗayan abubuwan da ke haifar da rikici.
Saitunan yanki suna aiwatar da dokoki masu zuwa don tantance ko ya kamata a ba da rahoton rikici azaman kuskure ko faɗakarwa.
- Idan abin da ake saita na gefe shine na GPIO to duk rikice-rikicen kurakurai ne.
- Idan yanayin da ake daidaitawa ba shine na GPIO ba to duk rikice-rikicen kurakurai ne sai dai idan rikicin yana tare da albarkatun GPIO wanda idan rikice-rikice za a dauki su azaman gargaɗi.
Kuskure Example
Ana amfani da kebul na kebul kuma yana amfani da PAD na'urar da aka daure zuwa fakitin H27. Saita gefen MMUART_0 kamar yadda tashar tashar TXD_RXD ta haɗa da MSIO zai haifar da kuskure.
Hoto na 4-1 yana nuna gunkin kuskuren da aka nuna a teburin aikin haɗin kai don tashar TXD_RXD.
Hoto na 4-2 yana nuna gunkin kuskure da aka nuna a gabaninview panel akan albarkatun PAD don tashar TXD_RXD.
Gargadi Example
Ana amfani da gefen GPIO kuma yana amfani da PAD na'urar da aka ɗaure zuwa fakitin H27 (GPIO_27).
Saita mahallin MMUART_0 kamar yadda tashar TXD_RXD ta haɗa da MSIO zai haifar da faɗakarwa.
Hoto na 4-3 yana nuna alamar faɗakarwa da aka nuna a cikin teburin aikin haɗin kai don tashar TXD_RXD.
Hoto na 4-4 yana nuna alamar faɗakarwa da aka nuna a gabanview panel akan albarkatun PAD don tashar TXD_RXD.
Bayani Example
Ana amfani da kebul na kebul kuma yana amfani da PAD na'urar da aka daure zuwa fakitin H27 (Hoto 4-5).
Saita gefen MMUART_0 kamar yadda tashar TXD_RXD ke da alaƙa da masana'anta na FPGA baya haifar da rikici. Koyaya, don nuna cewa PAD yana da alaƙa da tashar jiragen ruwa na TXD_RXD (amma ba a yi amfani da shi ba a cikin wannan yanayin), ana nuna alamar bayanin a farkon.view panel. Tushen kayan aiki mai alaƙa da gunkin yana ba da bayanin yadda ake amfani da albarkatun (USB a wannan yanayin).
Bayanin tashar jiragen ruwa
Tebur 5-1 • Bayanin tashar jiragen ruwa
| Sunan tashar jiragen ruwa | Rukunin tashar jiragen ruwa | Hanyar | Bayani |
| TXD | MMUART_ _PADS MMUART_ _FABRIC |
Fita | Serial fitarwa bayanai a cikin cikakken Duplex yanayin. Wannan shine bayanan da za'a watsa daga Core16550. Yana aiki tare da fin ɗin fitarwa na BAUD OUT. |
| RXD | MMUART_ _PADS MMUART_ _FABRIC |
In | Serial Input Data a Cikakken Yanayin Duplex. Wannan shine bayanan da za'a watsa zuwa Core16550. Yana aiki tare da fil ɗin shigarwar PCLK. |
| TXD_RXD | MMUART_ _PADS MMUART_ _FABRIC |
A waje | Serial fitarwa da shigar da bayanai a cikin Half Duplex yanayin. |
| CLK | MMUART_ _CLK MMUART_ _FABRIC_CLK |
A waje | Agogo a yanayin aiki tare. |
| RTS | MMUART_ _MODEM_PADS MMUART_ _FABRIC_MODEM | Fita | Neman Aika. Ana amfani da wannan siginar babban fitarwa mai aiki don sanar da na'urar da aka makala (modem) cewa Core16550 yana shirye don aika bayanai. CPU ne ke tsara shi ta hanyar Modem Control Register. |
| DTR | MMUART_ _PADS_MODEM MMUART_ _FABRIC_MODEM | Fita | Tashar Data Shirye. Wannan siginar babban fitarwa mai aiki yana sanar da na'urar da aka makala (modem) cewa Core16550 ya shirya don kafa hanyar sadarwa. CPU ne ke tsara shi ta hanyar Modem Control Register. |
| Farashin DSR | MMUART_ _PADS_MODEM MMUART_ _FABRIC_MODEM | In | An Shirya Saitin Bayanai. Wannan babban sigina mai aiki shine shigarwar da ke nuna lokacin da na'urar da aka haɗe (modem) ta shirya don saita hanyar haɗi tare da Core16550. Core16550 yana ba da wannan bayanin zuwa CPU ta hanyar Rijista Matsayin Modem. Wannan rajista kuma yana nuna idan siginar DSR ta canza tun lokacin da aka karanta rajistar. |
| CTS | MMUART_ _PADS_MODEM MMUART_ _FABRIC_MODEM | In | Share don Aika. Wannan babban sigina mai aiki shine shigarwar da ke nunawa lokacin da na'urar da aka haɗe (modem) ta shirya don karɓar bayanai. Core16550 yana ba da wannan bayanin zuwa CPU ta hanyar rijistar Matsayin Modem. Wannan rajista kuma yana nuna idan siginar CTS ta canza tun lokacin da aka karanta rajistar na ƙarshe. |
| Sunan tashar jiragen ruwa | Rukunin tashar jiragen ruwa | Hanyar | Bayani |
| RI | MMUART_ _PADS_MODEM \MMUART_ _FABRIC_MODEM |
in | Alamar Zobe. Wannan babban sigina mai aiki shine shigarwar da ke nunawa lokacin da na'urar da aka haɗe (modem) ta hango siginar zobe akan layin wayar. Core16550 yana ba da wannan bayanin zuwa CPU ta hanyar Rijista Matsayin Modem. Wannan rijistar kuma tana nuna lokacin da aka hango gefen RI. |
| D.C.D. | MMUART_ _PADS_MODEM MMUART_ _FABRIC_MODEM | In | Gano Mai ɗaukar Bayanai. Wannan babban sigina mai aiki shine shigarwar da ke nuna lokacin da na'urar da aka haɗe (modem) ta gano mai ɗauka. Core16550 yana ba da wannan bayanin zuwa CPU ta hanyar Rijista Matsayin Modem. Wannan rajista kuma yana nuna idan siginar DCD ta canza tun lokacin da aka karanta rajistar. |
Lura
- Sunayen tashar jiragen ruwa suna da sunan misalin MMUART a matsayin prefix, misali MMUART_ _TXD_RXD.
- Sunan shigarwar 'babban haɗin' masana'anta suna da "F2M" a matsayin kari, misali MMUART _ _RXD_F2M.
- Sunan shigarwar 'karin haɗin' masana'anta suna da "I2F" a matsayin kari, misali MMUART_ _TXD_RXD_I2F.
- Fitowar masana'anta da sunayen tashoshin jiragen ruwa masu iya fitarwa suna da "M2F" da "M2F_OE" a matsayin kari, misali MMUART_ _TXD_RXD_M2F da MMUART_ _TXD_RXD_M2F_OE.
- Ana haɓaka tashoshin jiragen ruwa na PAD kai tsaye zuwa sama a cikin tsarin ƙira.
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Takardu / Albarkatu
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Microsemi SmartFusion2 MSS MMUART Kanfigareshan [pdf] Jagorar mai amfani Tsarin SmartFusion2 MSS MMUART Kanfigareshan, Tsarin MSS MMUART, Kanfigareshan MMUART |
