MICROCHIP SmartDesign MSS MSS uye Fabric AMBA APB3

Configuration uye Kubatana

Iyo SmartFusion Microcontroller Subsystem inoita kuti iwe ugone kuwedzera iyo AMBA Bhazi mumucheka weFPGA. Iwe unogona kugadzirisa iyo AMBA machira interface senge APB3 kana AHBLite zvichienderana nezvaunoda dhizaini. A tenzi uye muranda bhazi interface inowanikwa mune yega yega modhi. Gwaro iri rinopa matanho akakosha ekugadzira iyo MSS-FPGA jira AMBA APB3 system uchishandisa MSS configurator inowanikwa muLibero® IDE software. APB peripherals yakabatana neMSS uchishandisa CoreAPB3 vhezheni 4.0.100 kana kupfuura. Aya matanho anotevera anobatanidza APB3 peripherals inoshandiswa muFPGA jira kune MSS.

MSS Configuration

Danho rechitatu. Sarudza iyo MSS FCLK (GLA0) yejira rewachi wachi.
Sarudza FAB_CLK divisor muMSS Clock Management Configurator sezvakaratidzwa Mufananidzo 1-1. Iwe unofanirwa kuita post-layout static timing yekuongorora kuti uve nechokwadi chekuti dhizaini inosangana nezvinodiwa zvenguva zvinotsanangurwa muClock Management Configurator. Iwe unogona kufanira kugadzirisa chiyero chewachi pakati peMSS nejira kuti uwane dhizaini inoshanda.

Danho rechitatu. Sarudza iyo MSS AMBA modhi.
Sarudza iyo AMBA APB3 Interface Type muMSS Fabric Interface Configurator sezvakaratidzwa mumufananidzo 1-2. Dzvanya OK kuti uenderere mberi.

Mufananidzo 1-2 • AMBA APB3 Interface Yakasarudzwa
Iwo AMBA neFAB_CLK anosimudzirwa kuenda Kumusoro otomatiki uye anowanikwa kune chero SmartDesign inomisikidza MSS.

Gadzira iyo FPGA Fabric uye AMBA Subsystem

Iyo jira AMBA subsystem inogadzirwa kuita yenguva dzose SmartDesign chikamu, uye ipapo chikamu cheMSS chinoiswa muchikamu ichocho (sezvinoratidzwa muFigure 1-5).
Danho 1. Isa uye gadzirisa CoreAPB3. APB Master Data Bus Width - 32-bit; hupamhi hwakafanana hweMSS AMBA data bhazi. Kugadzirisa Kero - Inosiyana zvichienderana nesaizi yako slot; ona Table 1-1 yehukoshi chaihwo.

Tafura 1-1 • Kero Magadzirirwo Vakoshi

	64KB Slot Size, kusvika gumi nerimwe Varanda	4KB Slot Size, kusvika gumi nerimwe Varanda	256 Byte Slot Size, kusvika ku16 Varanda	16 Byte Slot Size, kusvika ku16 Varanda
Nhamba yemabhiti ekero inofambiswa natenzi	20	16	12	8
Chinzvimbo mukero yemuranda yekumusoro 4 bits yetenzi kero	[19:16] (Kuregeredzwa kana master kero hupamhi > = 24 bits)	[15:12] (Kuregeredzwa kana master kero hupamhi > = 20 bits)	[11:8] (Kuregeredzwa kana master kero hupamhi > = 16 bits)	[7:4] (Kuregeredzwa kana master kero hupamhi > = 12 bits)
Indirect Addressing	Kwete Mukushandisa

Yakagonesa APB Slave Slots - Dzima nzvimbo dzausiri kuronga kushandisa pakushandisa kwako. Huwandu hwema slots aripo ekugadzira ibasa reiyo slot saizi yakasarudzwa. Ye64KB chete slots 5 kusvika 15 iripo nekuda kwekuonekwa kwejira kubva kuMSS memory mepu (kubva pa0x4005000 kusvika 0x400FFFFF). Kune madiki slot saizi, ese ma slots aripo. Ona iyo “Memory Mepu Computation” papeji 7 kuti uwane rumwe ruzivo nezve slot size uye muranda/slot kubatana. Testbench - Rezinesi remushandisi - RTL

Danho rechitatu. Simbisa uye gadzirisa AMBA APB peripherals mudhizaini yako.
Danho rechitatu. Batanidza iyo subsystem pamwe chete. Izvi zvinogona kuitwa otomatiki kana nemaoko. Otomatiki Connection - Iyo SmartDesign auto-batanidza chimiro (inowanikwa kubva kuSmartDesign Menu, kana nekudzvanya-kurudyi Canvas) inobatanidza otomatiki wachi yepasi uye kuseta uye inokupa iwe Memory Mepu mupepeti kwaunogona kugovera varanda veAPB kumakero akakodzera. (Mufananidzo 1-4).

Cherechedza: kuti iyo auto-connect ficha inoita wachi uye kusetazve kubatanidza chete kana FAB_CLK uye M2F_RESET_N mazita echiteshi asina kuchinjwa pachikamu cheMSS.

Manual Connection - Batanidza iyo subsystem sezvinotevera:

• Batanidza CoreAPB3 mirrored-master BIF kuMSS Master BIF (sezvinoratidzwa mumufananidzo 1-5).
• Batanidza nhapwa dzeAPB kune yakakodzera slots sekuenderana nemepu yako yekurangarira.
• Batanidza FAB_CLK kuPCLK yezvese APB peripherals mudhizaini yako.
• Batanidza M2F_RESET_N kuPRESET yezvese APB peripherals mudhizaini yako.

Memory Mepu Computation

Iwo chete anotevera slot saizi anotsigirwa kuMSS:

• 64 KB
• 4KB uye pasi

General Formula

• Kune slot size yakaenzana ne64K, base kero yemutengi peripheral ndeye: 0x40000000 + (slot nhamba * slot size)
• Kune slot size isingasviki 64K, base kero yemutengi peripheral ndeye: 0x40050000 + (slot nhamba * slot size)

Kero yekutanga yejira yakamiswa pa0x4005000, asi kurerutsa iyo mepu yemepu equation tinoratidza base kero seyakasiyana mune 64KB kesi.
Cherechedza: saizi ye slot inotsanangura nhamba yemakero eiyo peripheral (kureva 1k zvinoreva kuti kune 1024 kero).

• ExampLe 1: 64KB byte slot size 64KB slots = 65536 slots (0x10000).
• Kana iyo peripheral iri pane slot nhamba 7, saka, kero yayo ndeiyi: 0x40000000 + ( 0x7 * 0x10000 ) = 0x40070000
• Example 2: 4KB byte slot size: 4KB slots = 4096 slots (0x1000)
• Kana iyo peripheral iri pane slot nhamba 5, saka, kero yayo ndeiyi: 0x40050000 + ( 0x5 * 0x800 ) = 0x40055000

Memory Mepu View

Unogona view iyo system memory mepu nekushandisa iyo Mishumo ficha (kubva kune Dhizaini menyu sarudza Mishumo). For example, Mufananidzo 2-1 imepu yekurangarira chikamu inogadzirwa kune subsystem inoratidzwa mukati

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Zvinyorwa / Zvishandiso

MICROCHIP SmartDesign MSS MSS uye Fabric AMBA APB3 Dhizaini [pdf] Bhuku reMushandisi SmartDesign MSS MSS uye Fabric AMBA APB3 Dhizaini, SmartDesign MSS, MSS uye Fabric AMBA APB3 Dhizaini, AMBA APB3 Dhizaini.

References

• User Manual