MICROCHIP SmartDesign MSS MSS ndi Fabric AMBA APB3

Kusintha ndi Kulumikizana

SmartFusion Microcontroller Subsystem imakupatsani mwayi wokulitsa mwachilengedwe Bus ya AMBA munsalu ya FPGA. Mutha kusintha mawonekedwe a nsalu ya AMBA ngati APB3 kapena AHBLite kutengera zosowa zanu. Mawonekedwe a master ndi mabasi akapolo amapezeka munjira iliyonse. Chikalatachi chimapereka njira zofunikira zopangira makina a MSS-FPGA AMBA APB3 pogwiritsa ntchito MSS configurator yomwe ikupezeka mu pulogalamu ya Libero® IDE. Zotumphukira za APB zalumikizidwa ku MSS pogwiritsa ntchito mtundu wa CoreAPB3 4.0.100 kapena kupitilira apo. Masitepe otsatirawa akulumikiza zotumphukira za APB3 zomwe zakhazikitsidwa munsalu ya FPGA ku MSS.

Kusintha kwa MSS

Gawo 1. Sankhani MSS FCLK (GLA0) kuti mugwirizane ndi wotchi ya wotchi.
Sankhani chogawa cha FAB_CLK mu MSS Clock Management Configurator monga momwe tawonetsera Chithunzi 1-1. Muyenera kupanga kusanthula kwanthawi kokhazikika kuti muwonetsetse kuti mapangidwewo akukwaniritsa zofunikira zanthawi zomwe zafotokozedwa mu Clock Management Configurator. Mungafunike kusintha chiŵerengero cha wotchi pakati pa MSS ndi nsalu kuti mupange mawonekedwe ogwirira ntchito.

Gawo 2. Sankhani njira ya MSS AMBA.
Sankhani mtundu wa AMBA APB3 Interface mu MSS Fabric Interface Configurator monga momwe zasonyezedwera pa Chithunzi 1-2. Dinani Chabwino kuti mupitilize.

Chithunzi 1-2 • AMBA APB3 Interface Yasankhidwa
AMBA ndi FAB_CLK zimakwezedwa Pamwamba zokha ndipo zimapezeka kwa SmartDesign iliyonse yomwe imayambitsa MSS.

Pangani FPGA Fabric ndi AMBA Subsystem

Nsalu ya AMBA subsystem imapangidwa kukhala gawo lokhazikika la SmartDesign, ndiyeno gawo la MSS limalowetsedwa mu gawoli (monga momwe tawonetsera pa Chithunzi 1-5).
Gawo 1. Yambitsani ndikusintha CoreAPB3. APB Master Data Bus Width - 32-bit; kukula komweko kwa basi ya data ya MSS AMBA. Kukonzekera Kwamaadiresi - Zimasiyanasiyana kutengera kukula kwanu; onani Table 1-1 kuti mupeze zolondola.

Table 1-1 • Makhalidwe Okonzekera Maadiresi

	64KB Slot Kukula, mpaka 11 Akapolo	4KB Slot Kukula, mpaka 16 Akapolo	256 Byte Slot Kukula, mpaka 16 Akapolo	16 Byte Slot Kukula, mpaka 16 Akapolo
Chiwerengero cha ma adilesi oyendetsedwa ndi bwana	20	16	12	8
Malo mu adilesi ya kapolo ya 4 bits apamwamba adilesi ya master	[19:16] (Sikunyalanyazidwa ngati master adilesi wide > = 24 bits)	[15:12] (Sikunyalanyazidwa ngati master adilesi wide > = 20 bits)	[11:8] (Sikunyalanyazidwa ngati master adilesi wide > = 16 bits)	[7:4] (Sikunyalanyazidwa ngati master adilesi wide > = 12 bits)
Kulankhula Mwachindunji	Osagwiritsidwa Ntchito

Yathandizira APB Slots Slave - Letsani mipata yomwe simukukonzekera kugwiritsa ntchito pulogalamu yanu. Chiwerengero cha mipata yomwe ilipo pakupanga ndi ntchito ya kukula kwa slot yomwe yasankhidwa. Kwa 64KB mipata 5 mpaka 15 yokha ndiyomwe imapezeka chifukwa cha mawonekedwe a nsalu kuchokera pamapu okumbukira a MSS (kuyambira 0x4005000 mpaka 0x400FFFFF). Kwa ma slot ang'onoang'ono, mipata yonse ilipo. Onani “Kuwerengera Mapu a Memory” patsamba 7 kuti mumve zambiri za kukula kwa slot ndi kulumikizana kwa kapolo/kagawo. Testbench - License Yogwiritsa - RTL

Gawo 2. Yambitsani ndikusintha zotumphukira za AMBA APB pamapangidwe anu.
Gawo 3. Lumikizani subsystem pamodzi. Izi zitha kuchitika zokha kapena pamanja. Automatic Connection - Mbali ya SmartDesign auto-connect (yomwe ikupezeka pa SmartDesign Menu, kapena podina kumanja Canvas) imalumikiza mawotchi a subsystem ndikukhazikitsanso ndikukupatsirani Memory Map mkonzi momwe mungagawire akapolo a APB kumaadiresi oyenera. (Chithunzi 1-4).

Zindikirani: kuti mawonekedwe a auto-connect amayendetsa wotchi ndikukhazikitsanso maulumikizidwe pokhapokha ngati mayina adoko a FAB_CLK ndi M2F_RESET_N sanasinthidwe pagawo la MSS.

Lumikizani Pamanja - Lumikizani subsystem motere:

• Lumikizani CoreAPB3 yowoneka bwino ya BIF ku MSS Master BIF (monga momwe zasonyezedwera pa Chithunzi 1-5).
• Lumikizani akapolo a APB kumalo oyenera malinga ndi mapu anu okumbukira.
• Lumikizani FAB_CLK ku PCLK ya zotumphukira zonse za APB mumapangidwe anu.
• Lumikizani M2F_RESET_N ku PRESET ya zotumphukira zonse za APB mumapangidwe anu.

Kuwerengera Mapu a Memory

Makulidwe otsatirawa okha ndi omwe amathandizidwa ndi MSS:

• 64 KB
• 4 KB ndi pansipa

General Formula

• Pakukula kwa slot yofanana ndi 64K, adilesi yoyambira ya kasitomala ndi: 0x40000000 + (nambala ya slot * kukula kwa slot)
• Pakukula kwa slot yochepera 64K, adilesi yoyambira ya kasitomala ndi: 0x40050000 + (nambala ya slot * kukula kwa slot)

Adilesi yoyambira pansaluyo imayikidwa pa 0x4005000, koma kuti muchepetse equation ya mapu okumbukira timawonetsa maadiresi oyambira mosiyana ndi 64KB.
Zindikirani: kukula kwa kagawo kumatanthawuza kuchuluka kwa ma adilesi a zotumphukirazo (ie 1k zikutanthauza kuti pali ma adilesi 1024).

• Exampndi 1: 64KB kagawo kagawo kukula 64KB mipata = 65536 mipata (0x10000).
• Ngati zotumphukira zili pa nambala 7, ndiye kuti adilesi yake ndi: 0x40000000 + ( 0x7 * 0x10000 ) = 0x40070000
• Example 2: 4KB kagawo kagawo kagawo: 4KB mipata = 4096 mipata (0x1000)
• Ngati zotumphukira zili pa nambala 5, ndiye kuti adilesi yake ndi: 0x40050000 + ( 0x5 * 0x800 ) = 0x40055000

Memory Mapu View

Mutha view mapu a kukumbukira dongosolo pogwiritsa ntchito mawonekedwe a Reports (kuchokera ku Design menyu sankhani Malipoti). Za example, Chithunzi 2-1 ndi mapu okumbukira pang'ono opangidwa pamakina ang'onoang'ono omwe akuwonetsedwa

Product Support

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Thandizo lamakasitomala

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Kulumikizana ndi Customer Technical Support Center

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Nkhani Zanga

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Kunja kwa US

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ITAR Thandizo laukadaulo

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Zolemba / Zothandizira

MICROCHIP SmartDesign MSS MSS ndi Fabric AMBA APB3 Design [pdf] Buku Logwiritsa Ntchito SmartDesign MSS MSS and Fabric AMBA APB3 Design, SmartDesign MSS, MSS and Fabric AMBA APB3 Design, AMBA APB3 Design

Maumboni

• Buku Logwiritsa Ntchito