A communication processor of a class, such as an Internet tuner, provides such desirable features (FIG. 2) as LAN support, an SPI interface (128), a dedicated port (56), and ADPCM (22) for audio applications. The invention provides a low-cost, low-power, easily manufactured, small form-actor network...http://www.google.de/patents/US7646790?utm_source=gb-gplus-sharePatent US7646790 - Communications processor