A programmable system-on-a-chip integrated circuit device comprises a programmable logic block, a non-volatile memory block, an analog sub-system, an analog input/output circuit block, and a digital input/output circuit block. A programmable interconnect architecture includes programmable elements and...http://www.google.com.hk/patents/US20070176631?utm_source=gb-gplus-share專利 US20070176631 - PROGRAMMABLE SYSTEM ON A CHIP
