实验八LPM随机存储器的设置和调用

《实验八LPM随机存储器的设置和调用》由会员分享，可在线阅读，更多相关《实验八LPM随机存储器的设置和调用（5页珍藏版）》请在金锄头文库上搜索。

1、LPM随机存储器的设置和调用实验名称：LPM随机存储器的设置和调用实验过程：1生成MIF格式文件。巒 DATA7m8.MIFAddr+0+1+2+3+4+5+6+7oo pen868C92989EA5AA08BOB6BCC1C6CBDOD510DADEE2E6EAEDFOF318F5F8FAFBFDFEFEFF20FFFFFEFEFDFBFAF828F5F3F0EDEAE6E2DE30DAD5DOCBC6C1BCB638BOAAA59E98928C86407F79736D67615A55484F49433E39342F2A5025211D191512OFOC580A07050402010100

2、600000010102040507680AOCOF1215191D2170252A2F34393E4349784F555A61676D7379图1 MIF文件编辑窗2：打开原理图编辑窗口，存盘取名RAMMD,创建成工程。c |RAMMD二|農=夕等習觀|惜 RAMMD.bdf图2原理图编辑窗口3：调用LPM RAM模块田田日.+InterfacesKai JTAG-accessible ExtensionsK3| Memory 匚ompilerQ CAMJ FIFOp-.J FIFO partitionerp - J Flash Memory” | RAM initializerJ RAM:

3、 1-PORTJ RAM: 2-PORTJ RAM: 3-PORTJ ROM: 1-PORTJ ROM: 2-PORT/ | Shift register (RAM-based)Kai StorageIP MegaStore Return to this page for another create operationNote: To compile a project successfully in the Quartus II software, your design files must be in the project directory, in the global user

4、libraries specified in the Options dialog box (Tools menu), or a user library specified in the User Libraries page of the Settings dialog box (Assignments menu).Your current user library directories are:Cancel|Finish图3调用单口 LPM RAM图4设定RAM参数图5设定RAM仅输入时钟控制图6设定在写入同时读出原数据Do you want to specify the initia

5、l 匚ontent of th已 memory?NOj leave it blank Initializ已 memory content data to XX,X 仃 power-up in simulation YeSj use this file for the memory content data(You 匚日i use a Hexade匚iirml (IitelfcinTi3t) File .hex or a Memory Initialization File .mif)Browse.File name:,/DATA7:：8 P1IFThe initial 匚ontent file

6、 should conform to which por ts dimensions?Allow In-System Memory Conte nt Editor to 匚 apture and update 匚 on tent independently of the system 匚lockThe Instance ID of this RAM is:myrm|Resource Usage11 slcl ECicl r&EjxiECancel BackFinish图7设定初始化文件和允许在系统编译4电路的连接图8在原理图编辑器上连接好的RAM模块5：对LPM_RAM的仿真测试Value1T

7、.5Z10cueWREN田A田IAA 1H匚H匚聆110参19田QH dI3 ps 40. 0 ns 80. 0 ns 120. 0 ns 160. 0 ns 200. 0 ns 240. 0 ns 280. 0 ns 320. 0 ns 360. 0 ns 400. 0 ns 440. 0 nsiiiiiiiiiii17.525 ns图9RAM的仿真波形实验结论：当写允许WREN=0时，可以读出RAM中的数据。随着地址的递增, 对应每一个时钟上升沿，RAM中的数据被读出，他们分别是80，86, 8C, 92.，与图1数据吻合，说明初始化数据能被正常调入。当写允许WREN=1时。输入数据D给出了一系列可被写入的数据89, 8D,91，只要有时钟上升沿，就会被写入。同时还可观察读出的数 据:AA,B0,B6,BC等，也与图1吻合。而且独处的是Old Data与图6 吻合。当写允许再次为0时，随着写入时的地址信号和时钟上升沿，读出数 据89，8D,91等与写入数据相同。RAM各项功能符合要求。