A system for real-time digital signal processing employs a single-chip microcomputer device (10) having separate on-chip program ROM (14) and data RAM (15), with separate address and data paths for program and data. An external program address bus (RA) allows off-chip program fetch in an expansion mode,...http://www.google.fr/patents/US6108765?utm_source=gb-gplus-shareBrevet US6108765 - Device for digital signal processing
