Izincazelo zesignali ye-PCI Slot

Izincazelo zesignali ye-PCI Slot
I-PCI SLOT, noma i-PCI expansion slot, isebenzisa isethi yemigqa yesignali evumela ukuxhumana nokulawula phakathi kwamadivayisi axhunywe ebhasini le-PCI. Lezi zimpawu zibalulekile ekuqinisekiseni ukuthi amadivayisi angakwazi ukudlulisa idatha futhi aphathe izifunda zawo ngokuya ngephrothokholi ye-PCI. Nazi izici eziyinhloko zezincazelo zesignali ye-PCI Slot:
Imigqa Yesiginali Ebalulekile
1. Ikheli/Ibhasi Ledatha (AD[31:0]):
Lona umugqa oyinhloko wokudlulisa idatha ebhasini le-PCI. Iphindwaphindwa kabili ukuze iphathe womabili amakheli (phakathi nezigaba zekheli) kanye nedatha (phakathi nezigaba zedatha) phakathi kwedivayisi nomsingathi.
2. UHLAKA#:
Ishayelwa idivayisi eyinhloko yamanje, FRAME# ibonisa ukuqala nobude besikhathi sokufinyelela. Ukugomela kwayo kuphawula ukuqala kokudluliselwa, futhi ukuphikelela kwayo kubonisa ukuthi ukudluliswa kwedatha kuyaqhubeka. Ukungagomeli kuphawula ukuphela kwesigaba sokugcina sedatha.
3. I-IRDY# (Isiqalisi Silungile):
Ibonisa ukuthi idivayisi eyinhloko isilungele ukudlulisa idatha. Phakathi nomjikelezo wewashi ngamunye wokudluliswa kwedatha, uma umphathi engakwazi ukushayela idatha ebhasini, igomela ngokuthi IRDY#.
4. DEVSEL# (Khetha Idivayisi):
Ishayelwa idivayisi yesigqila eqondisiwe, i-DEVSEL# isho ukuthi idivayisi isilungele ukuphendula emsebenzini webhasi. Ukubambezeleka kokugomela okuthi DEVSEL# kuchaza ukuthi kuthatha isikhathi esingakanani idivayisi yesigqila ukuze ilungiselele ukuphendula umyalo webhasi.
5. MISA# (Uma uthanda):
Isignali yokuzikhethela esetshenziselwa ukwazisa idivayisi eyinhloko ukuthi imise ukudluliswa kwedatha yamanje ezimeni ezihlukile, njengalapho idivayisi eqondiwe ingakwazi ukuqedela ukudlulisa.
6. I-PERR# (Iphutha Lokulingana):
Iqhutshwa idivayisi yesigqila ukubika amaphutha okulingana atholwe ngesikhathi sokudlulisa idatha.
7. I-SERR# (Iphutha Lesistimu):
Isetshenziselwa ukubika amaphutha ezinga lesistimu angabangela imiphumela eyinhlekelele, efana namaphutha okulingana kwamakheli noma amaphutha okulinganisa ngokulandelana okukhethekile komyalo.
Lawula Imigqa Yesiginali
1. Umyalo/Byte Nika amandla i-Multiplex (C/BE[3:0]#):
Ithwala imiyalo yebhasi phakathi nezigaba zamakheli futhi i-byte inika amandla amasignali phakathi nezigaba zedatha, inquma ukuthi yimaphi amabhayithi ebhasi ye-AD[31:0] ayidatha evumelekile.
2. REQ# (Isicelo Sokusebenzisa Ibhasi):
Ishayelwa idivayisi efisa ukulawula ibhasi, ikhombisa isicelo sayo kumxazululi.
3. GNT# (Isibonelelo Sokusebenzisa Ibhasi):
Iqhutshwa umxazululi, i-GNT# ikhombisa idivayisi ecelayo ukuthi isicelo sayo sokusebenzisa ibhasi sivunyiwe.
Eminye Imigqa Yesiginali
Izimpawu Zokulamula:
Faka amasiginali asetshenziselwe ukunqamula ibhasi, ukuqinisekisa ukwabiwa okufanele kwezisetshenziswa zamabhasi phakathi kwamadivayisi amaningi acela ukufinyelela ngesikhathi esisodwa.
Amasignali aphazamisayo (INTA#, INTB#, INTC#, INTD#):
Isetshenziswa ngamadivayisi wesigqila ukuthumela izicelo zokuphazamiseka kumsingathi, ikwazisa ngemicimbi ethile noma izinguquko zesimo.
Kafushane, izincazelo zesignali ye-PCI SLOT zifaka isistimu eyinkimbinkimbi yemigqa yesignali enesibopho sokudluliswa kwedatha, ukulawulwa kwedivayisi, ukubika iphutha, nokuphazamisa ukuphatha ebhasini le-PCI. Nakuba ibhasi le-PCI lithathelwe indawo amabhasi e-PCIe asebenza kahle kakhulu, i-PCI SLOT nezincazelo zayo zesignali zihlala zibalulekile ezinhlelweni eziningi zefa nezinhlelo zokusebenza ezithile.