描述:Crystals CRYSTAL 4.0000MHZ SERIES SMD,ECX-3SX, 50ppm, 30ppm,Series,150 Ohm,Fundamental,-10 C ~ 70 C,4-SOJ, 9.40mm pitch,0.492" L x 0.180" W (12.50mm x 4.60mm),0.146" (3.70mm) Manufacturer:ECS Product Category:Crystals Product Attribute:Attribute Value
在安装时候出现了如下提示Error creating DSPBuilder Entity com.altera.dspbuilder.entityxml.storage.SerialToParallelcvc-elt.1: Cannot find the declaration of element 'entity'.在使用时候,一使用DSP_Builder的MegaCore就无法保存,是什么问题
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