EmbeddedSystemDesign《嵌入式系统设计》课后答案(英文版)(9)

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2.Libraries/IP

LibrariesandIPareessentiallycatalogofpre-existingimplementations.Thisbenefitsthedesignersbecausetheydon'thaveto"re-inventthewheel".

3.Test/Verification

Thisdesigntechnologyensuresthatthefunctionalityofasystemiscorrect.Thissavesthedesignertimebypreventingdebuggingatalowlevel.

1.18Createa3*3gridwiththethreeprocessortechnologiesalongthex-axis,andthethree

ICtechnologiesalongthey-axis.Foreachaxis,putthemostprogrammableformclosesttotheorigin,andthemostcustomizedformattheendoftheaxis.Explainfeaturesandpossibleoccasionsforusingeachofthecombinationsofthetwotechnologies.

Full-customSemi-custom

PLDGPPASIPSP

P

1.GPP+PLD

Thedeviceisflexiblesinceitcanrunavarietyofapplications.SincethedesignersareusingaPLDtheycaneasilychangethefeaturesoftheGPP.ThissituationmayoccurinthedevelopmentandtestingofaGPP.

2.AISP+PLD

Thisdevicewillrunaclassofapplications.SincethedesignersareusingaPLDtheycaneasilychangethefeaturesoftheASIP.ThissituationmaybeusedwhendevelopingandtestinganASIP.

3.SPP+PLD

Thisdevicewillrunasingleprogram.However,sincethedesignersareusingaPLDtheycaneasilymodifytheprogramormakecorrections.ThissituationmayoccurwhendevelopingandtestinganSPP.

4.GPP+Semi-Custom

EmbeddedSystemDesign7

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