XAPP228 - Virtex 器件内的四端口存储器

XAPP228 - Virtex 器件内的四端口存储器
Application Note: Virtex, Spartan-II, Spartan-IIE, Virtex-E, Virtex-II, Virtex-II Pro Families

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Quad-Port Memories in Virtex Devices
Author: Nick Sawyer and Marc Defossez
XAPP228 (v1.0) September 24, 2002


Summary This application note describes how the existing dual-port block memories in the Spartan-II
and Virtex families can be used as Quad-Port memories. This essentially involves a data
access time (halved) versus functionality (doubled) trade-off. The overall bandwidth