IC697MDL241聯(lián)系人：李先生
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IC697MDL241
存儲(chǔ)器模型概述
為了能幫助設(shè)計(jì)人員分析系統(tǒng)性能并選擇最合適的存儲(chǔ)器構(gòu)造，存儲(chǔ)器模型需要反映出對(duì)性能造成影響的關(guān)鍵參數(shù)，即帶寬、延時(shí)和仲裁機(jī)制。而這些參數(shù)又是由存儲(chǔ)器的結(jié)構(gòu)以及其它參數(shù)決定的。另一方面，本文希望提出一個(gè)通用的存儲(chǔ)器模型，因此會(huì)有更多的參數(shù)用于配置存儲(chǔ)器以模擬某種特定類型的存儲(chǔ)器特征，比如多端口SRAM。
圖1給出了所設(shè)計(jì)的存儲(chǔ)器模型的結(jié)構(gòu)。它包括三個(gè)部分：一是模型接口；二是端口及bank可配置的存儲(chǔ)器；三是由讀寫通路及仲裁機(jī)制構(gòu)成的存儲(chǔ)器控制器。接口部分采用了事務(wù)級(jí)建模，而內(nèi)部模塊采用了時(shí)鐘精準(zhǔn)的建模，這樣在保證時(shí)間精度的同時(shí)，方便了接口連接以及提高了仿真速度。
圖1 可配置存儲(chǔ)器模型結(jié)構(gòu)
IC697MDL241
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