Xilinx CPLD Libraries Guide

About Design Elements
This section describes the design elements that can be used with this architecture. The design elements are
organized alphabetically.
The following information is provided for each design element, where applicable:
• Name of element
• Brief description
• Schematic symbol (if any)
• Logic Table (if any)
• Port Descriptions (if any)
• Usage
• Available Attributes (if any)
• For more information
You can find examples of VHDL and Verilog instantiation code in the ISE software (in the main menu, select Edit
> Language Templates or in the Libraries Guide for HDL Designs for this architecture.
CPLD Libraries Guide
ISE 10.1 www.xilinx.com 19