The invention in the simplest form is a programmable logic device comprising logic blocks configured substantially in a plane, external I/O endpoints, and embedded switched fabrics which provide non-contentious connection between the logic blocks and between logic blocks and I/O endpoints, the switch...http://www.google.com.hk/patents/US20100244896?utm_source=gb-gplus-share專利 US20100244896 - PROGRAMMABLE LOGIC DEVICE WITH EMBEDDED SWITCH FABRIC
