AlterA DDR2 SDRAM Adarí
Alaye pataki
Altera® DDR, DDR2, ati DDR3 SDRAM Awọn oludari pẹlu ALTMEMPHY IP pese awọn atọkun irọrun si DDR-bošewa ile-iṣẹ, DDR2, ati DDR3 SDRAM. AlTMEMPHY megafunction jẹ wiwo laarin oluṣakoso iranti ati awọn ẹrọ iranti, ati ṣiṣe awọn iṣẹ kika ati kọ si iranti. Awọn oludari DDR, DDR2, ati DDR3 SDRAM pẹlu ALTMEMPHY IP ṣiṣẹ ni apapo pẹlu Altera ALTMEMPHY megafunction.
DDR ati DDR2 SDRAM Adarí pẹlu ALTMEMPHY IP ati ALTMEMPHY megafunction nse ni kikun-oṣuwọn tabi idaji-oṣuwọn DDR ati DDR2 SDRAM interfaces.The DDR3 SDRAM Adarí pẹlu ALTMEMPHY IP ati ALTMEMPHY megafunction atilẹyin DDR3 SDRAM atọkun ni idaji-oṣuwọn mode. Awọn oludari DDR, DDR2, ati DDR3 SDRAM pẹlu ALTMEMPHY IP nfunni ni oludari iṣẹ ṣiṣe giga II (HPC II), eyiti o pese ṣiṣe giga ati awọn ẹya ilọsiwaju. Nọmba 15–1 fihan aworan ipele eto pẹlu example oke-ipele file pe DDR, DDR2, tabi DDR3 SDRAM Adarí pẹlu ALTMEMPHY IP ṣẹda fun o.
Olusin 15–1. Eto-Ipele aworan atọka
Akiyesi si Nọmba 15–1:
(1) Nigbati o ba yan DLL Lẹsẹkẹsẹ ni ita, lupu titiipa idaduro (DLL) wa ni lẹsẹkẹsẹ ni ita megafunction ALTMEMPHY.
MegaWizard ™ Oluṣakoso Plug-In n ṣe ipilẹṣẹ tẹlẹample oke-ipele file, ti o wa ninu example iwakọ, ati awọn rẹ DDR, DDR2, tabi DDR3 SDRAM ga-išẹ adarí aṣa iyatọ. Oluṣakoso naa ṣe afihan apẹẹrẹ ti megafunction ALTMEMPHY eyiti o jẹ ki o ṣe ifilọlẹ loop titiipa-fase (PLL) ati DLL. O tun le ṣe imudara DLL ni ita megafunction ALTMEMPHY lati pin DLL laarin awọn iṣẹlẹ pupọ ti ALTMEMPHY megafunction. O ko le pin PLL laarin awọn iṣẹlẹ pupọ ti ALTMEMPHY megafunction, ṣugbọn o le pin diẹ ninu awọn abajade aago PLL laarin awọn iṣẹlẹ pupọ wọnyi.
© 2012 Altera Corporation. Gbogbo awọn ẹtọ wa ni ipamọ. ALTERA, ARRIA, CYCLONE, HARDCOPY, MAX, MEGACORE, NIOS, QUARTUS ati awọn ọrọ STRATIX ati awọn aami aami jẹ aami-iṣowo ti Altera Corporation ati ti a forukọsilẹ ni Ile-iṣẹ Itọsi ati Iṣowo AMẸRIKA ati ni awọn orilẹ-ede miiran. Gbogbo awọn ọrọ miiran ati awọn aami idanimọ bi aami-išowo tabi aami iṣẹ jẹ ohun-ini awọn oniwun wọn gẹgẹbi a ti ṣalaye ni www.altera.com/common/legal.html. Altera ṣe atilẹyin iṣẹ ti awọn ọja semikondokito rẹ si awọn pato lọwọlọwọ ni ibamu pẹlu atilẹyin ọja boṣewa Altera, ṣugbọn ni ẹtọ lati ṣe awọn ayipada si eyikeyi awọn ọja ati iṣẹ nigbakugba laisi akiyesi. Altera ko gba ojuse tabi layabiliti ti o waye lati inu ohun elo tabi lilo eyikeyi alaye, ọja, tabi iṣẹ ti a ṣalaye ninu rẹ ayafi bi a ti gba ni kikun si kikọ nipasẹ Altera. A gba awọn alabara Altera nimọran lati gba ẹya tuntun ti awọn pato ẹrọ ṣaaju gbigbekele eyikeyi alaye ti a tẹjade ati ṣaaju gbigbe awọn aṣẹ fun awọn ọja tabi awọn iṣẹ.
Awọn example oke-ipele file jẹ apẹrẹ iṣẹ-ṣiṣe ni kikun ti o le ṣe adaṣe, ṣajọpọ, ati lo ninu ohun elo. Awọn example iwakọ ni a ara-igbeyewo module ti o oran kika ati ki o kọ ase si awọn oludari ati ki o ṣayẹwo awọn kika data lati gbe awọn kọja tabi kuna, ati idanwo pipe awọn ifihan agbara.
AlTMEMPHY megafunction ṣẹda ọna data laarin ẹrọ iranti ati oludari iranti. Megafunction wa bi ọja ti o ni imurasilẹ tabi o le ṣee lo ni apapo pẹlu Altera oluṣakoso iranti iṣẹ-giga.
Nigbati o ba nlo megafunction ALTMEMPHY gẹgẹbi ọja ti o ni imurasilẹ, lo pẹlu boya aṣa tabi awọn oludari ẹni-kẹta.
Fun awọn apẹrẹ tuntun, Altera ṣeduro lilo wiwo iranti itagbangba ti o da lori UniPHY, gẹgẹbi awọn oludari DDR2 ati DDR3 SDRAM pẹlu UniPHY, QDR II ati QDR II+ SRAM pẹlu UniPHY, tabi oludari RLDRAM II pẹlu UniPHY.
Alaye Tu silẹ
Tabili 15–1 n pese alaye nipa itusilẹ yii ti DDR3 SDRAM Adarí pẹlu ALTMEMPHY IP.
Tabili 15–1. Alaye Tu silẹ
| Nkan | Apejuwe |
| Ẹya | 11.1 |
| Ojo ifisile | Oṣu kọkanla ọdun 2011 |
| Awọn koodu ibere | IP-SDRAM/HPDDR (DDR SDRAM HPC) IP-SDRAM/HPDDR2 (DDR2 SDRAM HPC) IP-HPMCII (HPC II) |
| Awọn ID ọja | 00BE (DDR SDRAM) 00BF (DDR2 SDRAM) 00C2 (DDR3 SDRAM) 00CO (ALTMEMPHY Megafunction) |
| ID ataja | 6AF7 |
Altera jẹri pe ẹya lọwọlọwọ ti sọfitiwia Quartus® II ṣe akopọ ẹya iṣaaju ti iṣẹ MegaCore kọọkan. Awọn akọsilẹ Itusilẹ Ile-ikawe IP MegaCore ati Errata ṣe ijabọ eyikeyi awọn imukuro si ijẹrisi yii. Altera ko ṣe idaniloju akopo pẹlu awọn ẹya iṣẹ MegaCore ti o dagba ju idasilẹ kan lọ. Fun alaye nipa awọn ọran lori DDR, DDR2, tabi DDR3 SDRAM oludari iṣẹ ṣiṣe giga ati ALTMEMPHY megafunction ni ẹya Quartus II kan pato, tọka si Awọn akọsilẹ Itusilẹ sọfitiwia Quartus II.
Device Family Support
Tabili 15-2 n ṣalaye awọn ipele atilẹyin ẹrọ fun awọn ohun kohun Altera IP.
Tabili 15-2. Awọn ipele Atilẹyin Ẹrọ Altera IP Core
| Awọn idile Ẹrọ FPGA | Awọn idile Ẹrọ HardCopy |
| Atilẹyin alakoko— IP mojuto jẹ ijẹrisi pẹlu awọn awoṣe akoko alakoko fun idile ẹrọ yii. Ipilẹ ipilẹ IP pade gbogbo awọn ibeere iṣẹ ṣiṣe, ṣugbọn o le tun wa ni ṣiṣe itupalẹ akoko fun ẹbi ẹrọ naa. O le ṣee lo ni awọn aṣa iṣelọpọ pẹlu iṣọra. | HardCopy Companion— IP mojuto jẹ ijẹrisi pẹlu awọn awoṣe akoko alakoko fun ẹrọ ẹlẹgbẹ Lile Daakọ. Ipilẹ ipilẹ IP pade gbogbo awọn ibeere iṣẹ ṣiṣe, ṣugbọn o le tun wa ni ṣiṣe itupalẹ akoko fun ẹbi ẹrọ HardCopy. O le ṣee lo ni awọn aṣa iṣelọpọ pẹlu iṣọra. |
| Atilẹyin ipari— IP mojuto jẹ ijẹrisi pẹlu awọn awoṣe akoko ipari fun idile ẹrọ yii. Ipilẹ IP pade gbogbo iṣẹ ṣiṣe ati awọn ibeere akoko fun ẹbi ẹrọ ati pe o le ṣee lo ni awọn aṣa iṣelọpọ. | HardCopy Akopọ— IP mojuto jẹ ijẹrisi pẹlu awọn awoṣe akoko ipari fun idile ẹrọ HardCopy. Ipilẹ IP pade gbogbo iṣẹ ṣiṣe ati awọn ibeere akoko fun ẹbi ẹrọ ati pe o le ṣee lo ni awọn aṣa iṣelọpọ. |
Tabili 15–3 ṣe afihan ipele atilẹyin ti a funni nipasẹ DDR, DDR2, ati DDR3 SDRAM Adari pẹlu ALTMEMPHY IP fun awọn idile ẹrọ Altera.
Tabili 15-3. Device Family Support
| Ẹrọ Ìdílé | Ilana | |
| DDR ati DDR2 | DDR3 | |
| Arria® GX | Ipari | Ko si atilẹyin |
| Aria II GX | Ipari | Ipari |
| Cyclone® III | Ipari | Ko si atilẹyin |
| Cyclone III LS | Ipari | Ko si atilẹyin |
| Cyclone IV E | Ipari | Ko si atilẹyin |
| Cyclone IV GX | Ipari | Ko si atilẹyin |
| HardCopy II | Tọkasi Kini Tuntun ni oju-iwe IP Altera ti Altera webojula. | Ko si atilẹyin |
| Stratix® II | Ipari | Ko si atilẹyin |
| Stratix II GX | Ipari | Ko si atilẹyin |
| Miiran ẹrọ idile | Ko si atilẹyin | Ko si atilẹyin |
Awọn ẹya ara ẹrọ
ALTMEMPHY Mega iṣẹ
Tabili 15-4 ṣe akopọ atilẹyin ẹya bọtini fun megafunction ALTMEMPHY.
Tabili 15-4. ALTMEMPHY Megafunction Ẹya Support
| Ẹya ara ẹrọ | DDR ati DDR2 | DDR3 |
| Atilẹyin fun Altera PHY Interface (AFI) lori gbogbo awọn ẹrọ atilẹyin. | ✓ | ✓ |
| Imudiwọn ibẹrẹ adaṣe adaṣe imukuro awọn iṣiro akoko kika data idiju. | ✓ | ✓ |
| Voltage ati ipasẹ otutu (VT) ti o ṣe iṣeduro iṣẹ iduroṣinṣin ti o pọju fun awọn atọkun DDR, DDR2, ati DDR3 SDRAM. | ✓ | ✓ |
| Ọna data ti ara ẹni ti o ṣe asopọ si oludari Altera tabi oludari ẹnikẹta ni ominira ti awọn ọna akoko to ṣe pataki. | ✓ | ✓ |
| Ni wiwo oṣuwọn ni kikun | ✓ | — |
| Idaji-oṣuwọn ni wiwo | ✓ | ✓ |
| Rọrun-lati-lo olootu paramita | ✓ | ✓ |
Ni afikun, ALTMEMPHY megafunction ṣe atilẹyin awọn paati DDR3 SDRAM laisi ipele:
- ALTMEMPHY megafunction ṣe atilẹyin awọn paati DDR3 SDRAM laisi ipele fun awọn ẹrọ Arria II GX nipa lilo T-topology fun aago, adirẹsi, ati ọkọ akero aṣẹ:
- Atilẹyin ọpọ ërún yan.
- DDR3 SDRAM PHY laisi ipele fMAX jẹ 400 MHz fun yiyan ërún ẹyọkan.
- Ko si atilẹyin fun awọn pinni data-boju (DM) fun ×4 DDR3 SDRAM DIMMs tabi awọn paati, nitorinaa yan Bẹẹkọ fun awọn pinni DM Drive lati FPGA nigba lilo awọn ẹrọ ×4.
- ALTMEMPHY megafunction ṣe atilẹyin idaji-oṣuwọn DDR3 SDRAM awọn atọkun nikan.
Ga-išẹ Adarí II
Tabili 15–5 ṣe akopọ atilẹyin ẹya bọtini fun DDR, DDR2, ati DDR3 SDRAM HPC II.
Tabili 15-5. Atilẹyin Ẹya (Apakan 1 ti 2)
| Ẹya ara ẹrọ | DDR ati DDR2 | DDR3 |
| Idaji-oṣuwọn oludari | ✓ | ✓ |
| Atilẹyin fun AFI ALTMEMPHY | ✓ | ✓ |
| Atilẹyin fun Avalon®Memory Mapped (Avalon-MM) wiwo agbegbe | ✓ | ✓ |
Tabili 15-5. Atilẹyin Ẹya (Apakan 2 ti 2)
| Ẹya ara ẹrọ | DDR ati DDR2 | DDR3 |
| Ilana atunto wo-iwaju iṣakoso banki pẹlu aṣẹ kika ati kikọ | ✓ | ✓ |
| Idaduro afikun | ✓ | ✓ |
| Atilẹyin fun lainidii Avalon ti nwaye ipari | ✓ | ✓ |
| -Itumọ ti ni rọ iranti nwaye ohun ti nmu badọgba | ✓ | ✓ |
| Awọn maapu adirẹsi agbegbe-si-Memory atunto | ✓ | ✓ |
| Iṣeto akoko ṣiṣe aṣayan ti iwọn ati awọn eto iforukọsilẹ ipo, ati akoko iranti | ✓ | ✓ |
| Itura-ara-ẹni-ara-apa kan (PASR) | ✓ | ✓ |
| Atilẹyin fun ile ise-bošewa DDR3 SDRAM awọn ẹrọ | ✓ | ✓ |
| Atilẹyin iyan fun pipaṣẹ isọdọtun ti ara ẹni | ✓ | ✓ |
| Atilẹyin iyan fun aṣẹ-isalẹ iṣakoso olumulo | ✓ | ✓ |
| Atilẹyin iyan fun pipaṣẹ agbara-isalẹ aifọwọyi pẹlu akoko-to siseto | ✓ | ✓ |
| Atilẹyin iyan fun kika gbigba agbara-laifọwọyi ati awọn aṣẹ kikọ precharge laifọwọyi | ✓ | ✓ |
| Atilẹyin iyan fun isọdọtun oluṣakoso olumulo | ✓ | ✓ |
| Iyan ọpọ adarí aago pinpin ni SOPC Akole Flow | ✓ | ✓ |
| Ifaminsi atunṣe aṣiṣe ti irẹpọ (ECC) iṣẹ 72-bit | ✓ | ✓ |
| Iṣẹ ECC ti a ṣepọ, 16, 24, ati 40-bit | ✓ | ✓ |
| Atilẹyin fun kikọ ọrọ-apakan pẹlu atunṣe aṣiṣe aifọwọyi iyan | ✓ | ✓ |
| SOPC Akole setan | ||
| Atilẹyin fun Ṣiṣayẹwo OpenCore Plus | ✓ | ✓ |
| Awọn awoṣe kikopa iṣẹ ṣiṣe IP fun lilo ninu VHDL ti o ṣe atilẹyin Altera ati simulator Verilog HDL | ✓ | ✓ |
Awọn akọsilẹ si Tabili 15–5:
- HPC II ṣe atilẹyin awọn iye lairi aropọ ti o tobi tabi dogba si tRCD-1, ni ẹyọ iwọn aago (tCK).
- Ẹya yii ko ni atilẹyin pẹlu DDR3 SDRAM pẹlu ipele.
Awọn ẹya ara ẹrọ ti ko ni atilẹyin
Tabili 15–6 ṣe akopọ awọn ẹya ti ko ni atilẹyin fun awọn atọkun iranti itagbangba orisun Altera's ALTMEMPHY.
Tabili 15–6. Awọn ẹya ara ẹrọ ti ko ni atilẹyin
| Ilana iranti | Ẹya ti ko ni atilẹyin |
| DDR ati DDR2 SDRAM | Simulation akoko |
| Gigun ti nwaye ti 2 | |
| Pipade apa kan ati nwaye ti ko ni ibamu ni ipo ECC ati ti kii ṣe ECC nigbati awọn pinni DM jẹ alaabo | |
| DDR3 SDRAM | Simulation akoko |
| Pipade apa kan ati nwaye ti ko ni ibamu ni ipo ECC ati ti kii ṣe ECC nigbati awọn pinni DM jẹ alaabo | |
| Stratix III ati Stratix IV | |
| DIMM support | |
| Full-oṣuwọn atọkun |
MegaCore Ijeri
Altera ṣe laileto lọpọlọpọ, awọn idanwo itọsọna pẹlu agbegbe idanwo iṣẹ ni lilo awọn awoṣe Denali boṣewa ile-iṣẹ lati rii daju iṣẹ ṣiṣe ti DDR, DDR2, ati DDR3 SDRAM Awọn oludari pẹlu ALTMEMPHY IP.
Lilo awọn orisun
Abala yii n pese alaye iṣamulo awọn orisun aṣoju fun awọn olutona iranti ita pẹlu ALTMEMPHY fun awọn idile ẹrọ atilẹyin. Alaye yii ti pese bi itọnisọna nikan; fun data iṣamulo awọn orisun kongẹ, o yẹ ki o ṣe ina ipilẹ IP rẹ ki o tọka si awọn ijabọ ti ipilẹṣẹ nipasẹ sọfitiwia Quartus II.
Tabili 15–7 ṣe afihan data iṣamulo awọn orisun fun megafunction ALTMEMPHY, ati oludari iṣẹ ṣiṣe giga DDR3 II fun awọn ẹrọ Arria II GX.
Tabili 15–7. Lilo Awọn orisun ni Awọn Ẹrọ Arria II GX (Apá 1 ti 2)
| Ilana | Iranti Ìbú (Bits) | Apapo ALUTS | Logbon Awọn iforukọsilẹ | Mem ALUTs | M9K Ohun amorindun | M144K Ohun amorindun | Iranti y (Bits) |
| Adarí | |||||||
| DDR3
(Oṣuwọn idaji) |
8 | 1,883 | 1,505 | 10 | 2 | 0 | 4,352 |
| 16 | 1,893 | 1,505 | 10 | 4 | 0 | 8,704 | |
| 64 | 1,946 | 1,521 | 18 | 15 | 0 | 34,560 | |
| 72 | 1,950 | 1,505 | 10 | 17 | 0 | 39,168 | |
Tabili 15–7. Lilo Awọn orisun ni Awọn Ẹrọ Arria II GX (Apá 2 ti 2)
| Ilana | Iranti Ìbú (Bits) | Apapo ALUTS | Logbon Awọn iforukọsilẹ | Mem ALUTs | M9K Ohun amorindun | M144K Ohun amorindun | Iranti y (Bits) |
| Adarí+PHY | |||||||
| DDR3
(Oṣuwọn idaji) |
8 | 3,389 | 2,760 | 12 | 4 | 0 | 4,672 |
| 16 | 3,457 | 2,856 | 12 | 7 | 0 | 9,280 | |
| 64 | 3,793 | 3,696 | 20 | 24 | 0 | 36,672 | |
| 72 | 3,878 | 3,818 | 12 | 26 | 0 | 41,536 | |
Tabili 15–8 ṣe afihan data lilo awọn orisun fun oluṣakoso iṣẹ ṣiṣe giga DDR2 ati oludari pẹlu PHY, fun iwọn idaji ati awọn atunto oṣuwọn kikun fun awọn ẹrọ Arria II GX.
Tabili 15-8. DDR2 Resource iṣamulo ni Arria II GX Devices
| Ilana | Iranti Ìbú (Bits) | Apapo ALUTS | Logbon Awọn iforukọsilẹ | Mem ALUTs | M9K Ohun amorindun | M144K Ohun amorindun | Iranti (Bits) |
| Adarí | |||||||
| DDR2
(Oṣuwọn idaji) |
8 | 1,971 | 1,547 | 10 | 2 | 0 | 4,352 |
| 16 | 1,973 | 1,547 | 10 | 4 | 0 | 8,704 | |
| 64 | 2,028 | 1,563 | 18 | 15 | 0 | 34,560 | |
| 72 | 2,044 | 1,547 | 10 | 17 | 0 | 39,168 | |
| DDR2
(Oṣuwọn ni kikun) |
8 | 2,007 | 1,565 | 10 | 2 | 0 | 2,176 |
| 16 | 2,013 | 1,565 | 10 | 2 | 0 | 4,352 | |
| 64 | 2,022 | 1,565 | 10 | 8 | 0 | 17,408 | |
| 72 | 2,025 | 1,565 | 10 | 9 | 0 | 19,584 | |
| Adarí+PHY | |||||||
| DDR2
(Oṣuwọn idaji) |
8 | 3,481 | 2,722 | 12 | 4 | 0 | 4,672 |
| 16 | 3,545 | 2,862 | 12 | 7 | 0 | 9,280 | |
| 64 | 3,891 | 3,704 | 20 | 24 | 0 | 36,672 | |
| 72 | 3,984 | 3,827 | 12 | 26 | 0 | 41,536 | |
| DDR2
(Oṣuwọn ni kikun) |
8 | 3,337 | 2,568 | 29 | 2 | 0 | 2,176 |
| 16 | 3,356 | 2,558 | 11 | 4 | 0 | 4,928 | |
| 64 | 3,423 | 2,836 | 31 | 12 | 0 | 19,200 | |
| 72 | 3,445 | 2,827 | 11 | 14 | 0 | 21,952 | |
Tabili 15–9 ṣe afihan data lilo awọn orisun fun oluṣakoso iṣẹ ṣiṣe giga DDR2 ati oludari pẹlu PHY, fun iwọn idaji ati awọn atunto oṣuwọn kikun fun awọn ẹrọ Cyclone III.
Tabili 15–9. DDR2 Resource iṣamulo ni Cyclone III Devices
| Ilana | Iranti Ìbú (Bits) | Logbon Awọn iforukọsilẹ | Awọn sẹẹli kannaa | Awọn bulọọki M9K | Iranti (Bits) |
| Adarí | |||||
| DDR2
(Oṣuwọn idaji) |
8 | 1,513 | 3,015 | 4 | 4,464 |
| 16 | 1,513 | 3,034 | 6 | 8,816 | |
| 64 | 1,513 | 3,082 | 18 | 34,928 | |
| 72 | 1,513 | 3,076 | 19 | 39,280 | |
| DDR2
(Oṣuwọn ni kikun) |
8 | 1,531 | 3,059 | 4 | 2,288 |
| 16 | 1,531 | 3,108 | 4 | 4,464 | |
| 64 | 1,531 | 3,134 | 10 | 17,520 | |
| 72 | 1,531 | 3,119 | 11 | 19,696 | |
| Adarí+PHY | |||||
| DDR2
(Oṣuwọn idaji) |
8 | 2,737 | 5,131 | 6 | 4,784 |
| 16 | 2,915 | 5,351 | 9 | 9,392 | |
| 64 | 3,969 | 6,564 | 27 | 37,040 | |
| 72 | 4,143 | 6,786 | 28 | 41,648 | |
| DDR2
(Oṣuwọn ni kikun) |
8 | 2,418 | 4,763 | 6 | 2,576 |
| 16 | 2,499 | 4,919 | 6 | 5,008 | |
| 64 | 2,957 | 5,505 | 15 | 19,600 | |
| 72 | 3,034 | 5,608 | 16 | 22,032 | |
System Awọn ibeere
Adarí DDR3 SDRAM pẹlu ALTMEMPHY IP jẹ apakan ti MegaCore IP Library, eyiti o pin pẹlu sọfitiwia Quartus II ati igbasilẹ lati Altera webojula, www.altera.com.
Fun awọn ibeere eto ati awọn ilana fifi sori ẹrọ, tọka si Fifi sori Software Altera & Iwe-aṣẹ.
Fifi sori ẹrọ ati iwe-aṣẹ
Nọmba 15-2 ṣe afihan ilana ilana lẹhin ti o fi sori ẹrọ Alakoso DDR3 SDRAM pẹlu ALTMEMPHY IP, nibiti jẹ ilana fifi sori ẹrọ. Ilana fifi sori ẹrọ aiyipada lori Windows jẹ c:\altera \ ; lori Lainos o jẹ /opt/altera .
Nọmba 15-2. Ilana Ilana
O nilo iwe-aṣẹ fun iṣẹ MegaCore nikan nigbati o ba ni itẹlọrun patapata pẹlu iṣẹ ṣiṣe ati iṣẹ rẹ, ati pe o fẹ mu apẹrẹ rẹ si iṣelọpọ.
Lati lo DDR3 SDRAM HPC, o le beere iwe-ašẹ file lati Altera web ojula ni www.altera.com/licenseing ki o si fi sori ẹrọ lori kọmputa rẹ. Nigbati o ba beere iwe-aṣẹ file, Altera fi imeeli ranṣẹ si ọ ni license.dat file. Ti o ko ba ni iwọle si Intanẹẹti, kan si aṣoju agbegbe rẹ.
Lati lo DDR3 SDRAM HPC II, kan si aṣoju tita agbegbe rẹ lati paṣẹ iwe-aṣẹ kan.
Iṣiro ọfẹ
Ẹya igbelewọn OpenCore Plus Altera jẹ iwulo nikan si DDR3 SDRAM HPC. Pẹlu ẹya igbelewọn OpenCore Plus, o le ṣe awọn iṣe wọnyi:
- Ṣe afiwe ihuwasi ti megafunction (iṣẹ Altera MegaCore tabi AMPPSM megafunction) laarin eto rẹ.
- Jẹrisi iṣẹ ṣiṣe ti apẹrẹ rẹ, bakanna ṣe iṣiro iwọn ati iyara rẹ ni iyara ati irọrun.
- Ṣe ina siseto ẹrọ to lopin akoko files fun awọn aṣa ti o ni awọn iṣẹ MegaCore.
- Ṣe eto ẹrọ kan ki o rii daju apẹrẹ rẹ ni ohun elo.
O nilo lati ra iwe-aṣẹ fun megafunction nikan nigbati o ba ni itẹlọrun patapata pẹlu iṣẹ ṣiṣe ati iṣẹ rẹ, ati pe o fẹ mu apẹrẹ rẹ si iṣelọpọ.
OpenCore Plus Time-Ihuwasi
Ṣiṣayẹwo ohun elo OpenCore Plus le ṣe atilẹyin awọn ọna ṣiṣe meji wọnyi:
- Untethered — apẹrẹ naa nṣiṣẹ fun akoko to lopin
- Tethered-nilo asopọ laarin igbimọ rẹ ati kọnputa agbalejo. Ti ipo asopọ ba ni atilẹyin nipasẹ gbogbo awọn megafunctions ninu apẹrẹ kan, ẹrọ naa le ṣiṣẹ fun igba pipẹ tabi lainidi.
Gbogbo awọn iṣẹ mega iṣẹ inu ẹrọ ni akoko-akoko nigbakanna nigbati akoko igbelewọn ihamọ julọ ti de. Ti megafunction diẹ sii ju ọkan lọ ninu apẹrẹ kan, ihuwasi akoko ipari iṣẹ mega kan le jẹ boju-boju nipasẹ ihuwasi akoko-to ti awọn megafunctions miiran.
Fun awọn iṣẹ MegaCore, akoko ti a ko fi silẹ jẹ wakati 1; iye akoko ti o somọ jẹ ailopin.
Apẹrẹ rẹ da iṣẹ duro lẹhin akoko igbelewọn ohun elo dopin ati pe iṣelọpọ local_ready lọ silẹ.
Iwe Itan Atunyẹwo
Tabili 15–10 ṣe atokọ itan-akọọlẹ atunyẹwo fun iwe-ipamọ yii.
Tabili 15-10. Iwe Itan Atunyẹwo
| Ọjọ | Ẹya | Awọn iyipada |
| Oṣu kọkanla ọdun 2012 | 1.2 | Yipada nọmba ipin lati 13 si 15. |
| Oṣu Kẹfa ọdun 2012 | 1.1 | Aami esi esi. |
| Oṣu kọkanla ọdun 2011 | 1.0 | Alaye Itusilẹ Ijọpọ, Atilẹyin Ẹbi Ẹrọ, Akojọ Awọn ẹya, ati atokọ Awọn ẹya ti ko ṣe atilẹyin fun DDR, DDR2, ati DDR3. |
Awọn iwe aṣẹ / Awọn orisun
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AlterA DDR2 SDRAM Adarí [pdf] Awọn ilana DDR2 SDRAM Adarí, DDR2, SDRAM Adarí, Adarí |
