Altera RAM Initializer - Manual (Page 33)

Altera Corporation Confidential—Internal Use Only 3–1
May 2008 RAM Initializer (ALTMEM_INIT) Megafunction User Guide
Chapter 3. Specifications
Ports and
Parameters The Quartus ® II software provides the RAM Initializer (ALTMEM_INIT)
megafunction to initialize the random-access memory (RAM) of a device
with the content of a read-only memory (ROM). The ROM can be located
internally within the megafunction, or externally in an on-chip or off-chip
ROM. This chapter describes the ports and parameters of the
ALTMEM_INIT megafunction. These ports and parameters are available
to customize the ALTMEM_INIT megafunction according to your
application.
1 In this document, HardCopy ® devices refer to the
HardCopy Stratix ® and HardCopy II devices; Stratix devices
refer to the Stratix IV, Stratix III, Stratix II, and Stratix devices.
1 Unless specified otherwise, external ROM refers to both on-chip
and off-chip ROM.
The parameter details are only relevant for users who bypass the
MegaWizard
® Plug-In Manager interface and use the megafunction as a
directly parameterized instantiation in their design. The details of these
parameters are hidden from the user of the MegaWizard Plug-In Manager
interface.
f
Refer to the latest version of the Quartus II Help for the most current
information on the ports and parameters for this megafunction.
Figure 3–1 shows the input and output ports for the ALTMEM_INIT
megafunction.