Altera RAM Initializer - Manual (Page 23)

Altera Corporation Confidential—Internal Use Only 2–11
May 2008 RAM Initializer (ALTMEM_INIT) Megafunction User Guide
Getting Started
Figure 2–6. Content of the Initialization Data File
A top-level design file, DE1_top_internalROM.v, instantiates the
ALTMEM_INIT megafunction and the RAM of the HardCopy II device.
The example design files are available in the User Guides section on the
Literature page of the Altera
® website ( www.altera.com ).
Configuration Settings
In the RAM Initializer MegaWizard Plug-In Manager pages, select or
verify the configuration settings shown in
Table 2–2 . Click Next to
advance from one page to the next.
Functional Simulation in the ModelSim-Altera Simulator
Simulate the design in the ModelSim ® -Altera software to generate a
waveform display of the device behavior.
You should be familiar with the ModelSim-Altera software before trying
out the design example. If you are unfamiliar with the ModelSim-Altera
software, refer to the support page for software products on the Altera
website (
www.altera.com ). On the support page, there are links to such
topics as installation, usage, and troubleshooting.
Set up and simulate the design in the ModelSim-Altera software by
performing the following steps:
Table 2–2. Design Example 1: Configuration Settings
MegaWizard Plug-In
Manager Page
MegaWizard Plug-In Manager Configuration Setting Value
3 Currently selected device family HardCopy II
Which RAM initialization mode should be used? From init data file
What is the init data file? DE1_initfile.mif
What is the number of words? 16
What is the data width? 8
Create a clken port Selected