CPLD 配件，技巧和窍门 Application Note: CPLD R CPLD Fitting, Tips and Tricks XAPP444 (v1.1) July 15, 2005 Summary Most designers wish to utilize as much of a device as possible in order to enhance the overall product performance, or extend a feature set. As a design grows, inevitably it will exceed the architectural limitations of the device. Exactly why a design does not fit can sometimes be difficult to determine. Programmable logic devices can be configured in……