SmartDesign MSS
Phetoho ea SPI
Bukana ea Mosebelisi
Selelekela
SmartFusion Microcontroller Subsystem (MSS) e fana ka li-peripherals tse peli tse thata tsa SPI (APB_0 le APB_1 libese tse nyane) tse nang le boema-kepe ba khetho ea masela a FPGA.
Boitšoaro ba sebele ba ketsahalo ka 'ngoe ea SPI bo tlameha ho hlalosoa boemong ba kopo ho sebelisoa SmartFusion MSS SPI Driver e fanoeng ke Actel.
Tokomaneng ena, re hlalosa kamoo u ka nolofalletsang maemo a MSS SPI le ho fihlella likoung tse khethiloeng tsa makhoba. Bakeng sa lintlha tse ling mabapi le li-peripherals tse thata tsa MSS SPI, ka kopo sheba ho Tataiso ea mosebelisi ea Actel SmartFusion Microcontroller Subsystem.
Dikgetho tsa Tlhophiso
Ho nolofaletsa/Ho tima maemo a SPI. Ho canvas ea MSS, u hloka ho bulela (ea kamehla) kapa ho tima ketsahalo e 'ngoe le e 'ngoe ea SPI ho latela hore na e ea sebelisoa ts'ebelisong ea hau ea hajoale. Maemo a holofetseng a SPI a ts'oaroa ka ho seta bocha (maemo a tlase a matla) kamora hore khoutu ea boot system ea Actel e kenngoe. Maemo a SPI a nolofalitsoeng a likou tsa kantle - MSS I/Os - le tsona li hlophisoa ka bo eona ke khoutu ea boot system ea Actel. Hlokomela hore MSS I/Os e abetsoeng ketsahalo ea SPI e teng ho hokela ho MSS GPIOs haeba ketsahalo eo ea SPI e koetsoe. Sheba ho MSS GPIO configurator handbook bakeng sa lintlha tse ling.
Lesela Lekhoba Khetha Katoloso. U ka khanna ho fihla ho 3 makhoba a likhetho bakeng sa SPI_0 le 7 bakeng sa SPI_1 lesela la FPGA; Ho etsa sena, o hloka ho nyollela boemo bo holimo ka bowena boema-kepe ba FAB_SS[] bo teng maemong a MSS SPI a sebelisitsoeng ts'ebelisong ea hau. U ka sebelisa boema-kepe ba FAB_SS boemong bo latelang ba bolaoli moo bo ka 'khaoloang' joalo ka lipontšo tsa khetho ea lekhoba ka bomong.
Tlhaloso ea Boema-kepe
| Lebitso la Port | Sehlopha sa Port | Tataiso | PAD? | Tlhaloso |
| DI | Li-PAD | In | Ee | Shift data ho (mong kapa lekhoba) |
| DO | Li-PAD | Tsoa | Ee | Lintlha tsa serial li tsoile (tse entsoeng ke SPI e le master) |
| CLK | Li-PAD | Inout | Ee | Shift clock out (e hlahisoa ke SPI e le master) |
| SS | Li-PAD | Inout | Ee | Kou e khethiloeng ea makhoba a inehetseng kantle (e hlahisitsoeng ke SPI joalo ka monghali) |
| FAB_SS[n:1] | Tsoa | Che | Likou tse khethiloeng tsa makhoba tse tsamaisoang ka boikhethelo (tse hlahisoang ke SPI joalo ka monghali) |
Lintlha:
- Boema-kepe ba PAD bo phahamisetsoa ka bohona ho ea holimo maemong a meralo eohle.
- Boemakepe boo eseng ba PAD bo tlameha ho phahamisoa ka letsoho ho isa boemong bo holimo ho tloha ho sekontiri sa MSS hore se be teng e le boemo bo latelang ba bolaoli.
Actel ke moetapele ho li-FPGA tse nang le matla a tlase le a tsoakaneng mme e fana ka potefolio e felletseng ea litharollo tsa tsamaiso le matla. Litaba tsa Matla. Ithute haholoanyane ho 5Hhttp://www.actel.com .
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5-02-00239-0
Phetolelo ea Doc 1.0
Litokomane / Lisebelisoa
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Sebopeho sa Actel SmartDesign MSS SPI [pdf] Bukana ea Mosebelisi Tlhophiso ea SmartDesign MSS SPI, SmartDesign MSS, Configuration ea SPI, Configuration |
