关于ALTSYNCRAM和ALTDPRAM的异同？

psd0208

The ports and parameters details are important if you bypass the MegaWizard Plug-In Manager interface and use the megafunction as a directly parameterized instantiation in your design. The details of the parameters are hidden from the MegaWizard Plug-In Manager interface.

Altera recommends you to use ALTSYNCRAM megafunction to build synchronous memory function for single-port RAM, dual-port RAM, single-port ROM, and dual-port ROM. Use ALTDPRAM megafunction if you want to create a asynchronous read dual-port RAM support.

谁能解释一下这段话的大概意思啊。。。ALTSYNCRAM和ALTDPRAM的区别有哪些?

因为本人对于IP核一般都是通过MegaWizard Plug-In Manager生成然后使用的，难道可以不通过MegaWizard Plug-In Manager直接调用么？

psd0208

都没有人了解的么。。。呜呜。。。