AR# 10171: Virtex/Virtex-E/Spartan-IIE- How can I initialize distributed RAM or ROM?
AR# 10171
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Virtex/Virtex-E/Spartan-IIE- How can I initialize distributed RAM or ROM?
Description
General Description:
How do I initialize distributed RAM/ROMs for Virtex and Spartan Family Devices?
Solution
The only ways to initialize distributed RAM/ROM in Virtex are to use the INIT attribute, or to create the RAM/ROM in CORE Generator and use the COE file.
The INIT attribute can be attached during RAM/ROM instantiation (in the HDL code or in the schematic), or by using the UCF file.
The INIT attribute is discussed in "Attributes and Carry Logic" section of the Libraries Guide, located online at: