MICROCHIP SmartDesign MSS MSS le Fabric AMBA APB3

Tlhophiso le Khokahano

SmartFusion Microcontroller Subsystem e u thusa ho holisa AMBA Bus lesela la FPGA ka tlhaho. U ka hlophisa sebopeho sa masela sa AMBA joalo ka APB3 kapa AHBLite ho latela litlhoko tsa moralo oa hau. Sehokelo sa libese tsa master le makhoba se fumaneha ka mokhoa o mong le o mong. Tokomane ena e fana ka mehato ea bohlokoa ea ho theha sistimi ea lesela la MSS-FPGA AMBA APB3 ka ho sebelisa MSS configurator e fumanehang ho software ea Libero® IDE. Lisebelisoa tsa APB li hoketsoe ho MSS ho sebelisoa CoreAPB3 mofuta 4.0.100 kapa ho feta. Mehato e latelang e hokahanya lisebelisoa tsa APB3 tse kentsoeng leselang la FPGA ho MSS.

MSS Configuration

Mohato oa 1. Khetha MSS FCLK (GLA0) ho lesela la tekanyo ea oache.
Khetha FAB_CLK karohano ho MSS Clock Management Configurator joalokaha ho bontšitsoe setšoantšo sa 1-1. U tlameha ho etsa tlhahlobo ea nako ea morao-rao ea static ho netefatsa hore moralo o kopana le litlhoko tsa nako tse hlalositsoeng ho Clock Management Configurator. U kanna ua tlameha ho lokisa karolelano ea oache lipakeng tsa MSS le lesela ho fumana moralo o sebetsang.

Mohato oa 2. Khetha mokhoa oa MSS AMBA.
Kgetha AMBA APB3 Interface Type ho MSS Fabric Interface Configurator jwalo ka ha ho bontshitswe ho Setšoantšo sa 1-2. Tobetsa OK ho tsoela pele.

Setšoantšo sa 1-2 • AMBA APB3 Interface E khethiloe
AMBA le FAB_CLK li phahamisetsoa ho ea Holimo ka bohona, 'me li fumaneha ho SmartDesign efe kapa efe e susumetsang MSS.

Theha FPGA Fabric le AMBA Subsystem

The subsystem AMBA ea lesela e entsoe ka karolo e tloaelehileng ea SmartDesign, ebe karolo ea MSS e kenngoa ka har'a karolo eo (joalokaha ho bontšitsoe setšoantšong 1-5).
Mohato oa 1. Kenya le ho lokisa CoreAPB3. APB Master Data Bus Width - 32-bit; bophara bo lekanang ba bese ea data ea MSS AMBA. Tlhophiso ea Aterese - E fapana ho latela boholo ba slot ea hau; sheba Lethathamo la 1-1 bakeng sa boleng bo nepahetseng.

Lethathamo la 1-1 • Maemo a Tlhophiso ea Liaterese

	64KB Slot Size, ho fihla ho 11 Makhoba	4KB Slot Size, ho fihla ho 16 Makhoba	256 Byte Slot Size, ho fihla ho 16 Makhoba	16 Byte Slot Size, ho fihla ho 16 Makhoba
Palo ea likaroloana tsa aterese tse tsamaisoang ke monghali	20	16	12	8
Boemo atereseng ea lekhoba ea likotoana tse 4 tse kaholimo tsa aterese e kholo	[19:16] (E hlokomolohuoa haeba bophara ba aterese e kholo >= 24 bits)	[15:12] (E hlokomolohuoa haeba bophara ba aterese e kholo >= 20 bits)	[11:8] (E hlokomolohuoa haeba bophara ba aterese e kholo >= 16 bits)	[7:4] (E hlokomolohuoa haeba bophara ba aterese e kholo >= 12 bits)
Puisano e sa Tobang	Ha e Sebediswe

E nolofalitsoe APB Slave Slots - Tlosa li-slots tseo u sa rera ho li sebelisa molemong oa hau. Palo ea li-slots tse fumanehang bakeng sa moralo ke ts'ebetso ea boholo ba slot e khethiloeng. Bakeng sa 64KB ho na le libaka tse 5 ho isa ho tse 15 feela tse fumanehang ka lebaka la ponahalo ea lesela ho tloha 'mapeng oa memori oa MSS (ho tloha 0x4005000 ho isa 0x400FFFFF). Bakeng sa li-slot tse nyane, li-slot kaofela lia fumaneha. Sheba "Memory Map Computation" leqepheng la 7 bakeng sa lintlha tse ling mabapi le boholo ba slot le khokahanyo ea makhoba/slot. Testbench - Laesense ea mosebelisi - RTL

Mohato oa 2. Kenya 'me u hlophise lisebelisoa tsa AMBA APB moralong oa hau.
Mohato oa 3. Kopanya subsystem hammoho. Sena se ka etsoa ka bohona kapa ka letsoho. Automatic Connection - Sesebelisoa sa SmartDesign auto-connect (e fumanehang ho SmartDesign Menu, kapa ka ho tobetsa ka ho le letona ho Canvas) e kopanya lioache tsa tsamaiso ea tsamaiso ka bo eona ebe e u hlahisa ka mohlophisi oa Memory Map moo o ka abelang makhoba a APB ho liaterese tse nepahetseng. (Setšoantšo sa 1-4).

Hlokomela: hore karolo ea auto-connect e etsa oache le ho seta likhokahano bocha ha feela mabitso a boema-kepe a FAB_CLK le M2F_RESET_N a so fetoloe karolong ea MSS.

Connection Manual - Hokela subsystem ka tsela e latelang:

• Hokela CoreAPB3 e nang le seipone-master BIF ho MSS Master BIF (joalokaha ho bontšitsoe setšoantšong 1-5).
• Hokela makhoba a APB libakeng tse nepahetseng ho latela lintlha tsa 'mapa oa memori ea hau.
• Hokela FAB_CLK ho PCLK ea lisebelisoa tsohle tsa APB moralong oa hau.
• Hokela M2F_RESET_N ho PRESET ea lisebelisoa tsohle tsa APB moralong oa hau.

Memori Map Computation

Ke li-slot tsa boholo tse latelang feela tse tšehetsoeng bakeng sa MSS:

• 64 KB
• 4KB le ka tlase

Foromo e Akaretsang

• Bakeng sa boholo ba slot bo lekanang le 64K, aterese ea motheo ea peripheral ea bareki ke: 0x40000000 + (nomoro ea slot * boholo ba slot)
• Bakeng sa boholo ba slot bo ka tlase ho 64K, aterese ea mantlha ea peripheral ea bareki ke: 0x40050000 + (nomoro ea slot * boholo ba slot)

Aterese ea motheo ea lesela e tsitsitse ho 0x4005000, empa ho nolofatsa 'mapa oa memori re bonts'a aterese ea motheo e fapane ho 64KB.
Hlokomela: boholo ba sekotjana bo hlalosa palo ea liaterese tsa peripheral eo (ke hore 1k e bolela hore ho na le liaterese tse 1024).

• ExampLe 1: 64KB sekotjana ka boholo 64KB slots = 65536 slots (0x10000).
• Haeba peripheral e sebakeng sa slot 7, joale aterese ea eona ke: 0x40000000 + ( 0x7 * 0x10000 ) = 0x40070000
• Example 2: 4KB ka boholo ba sekotjana: 4KB slots = 4096 slots (0x1000)
• Haeba peripheral e sebakeng sa slot 5, joale aterese ea eona ke: 0x40050000 + ( 0x5 * 0x800 ) = 0x40055000

'Mapa oa memori View

U ka khona view 'mapa oa memori ea sistimi ka ho sebelisa tšobotsi ea Litlaleho (ho tsoa ho menyu ea Moqapi khetha Litlaleho). Bakeng sa mohlalaample, Setšoantšo sa 2-1 ke 'mapa oa mohopolo o sa fellang o hlahisitsoeng bakeng sa tsamaiso e ka tlase e bontšitsoeng ho

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Litokomane / Lisebelisoa

MICROCHIP SmartDesign MSS MSS le Fabric AMBA APB3 Design [pdf] Bukana ea Mosebelisi SmartDesign MSS MSS le Fabric AMBA APB3 Design, SmartDesign MSS, MSS le Fabric AMBA APB3 Design, AMBA APB3 Design

Litšupiso

• Bukana ea Mosebelisi