This data sheet introduces the features of STiH225 interactive HDTV cable set-top box processor, including support for DOCSIS/EuroDOCSIS 2.0 cable modem, three cable receiver/demodulators, 12-bit ADC IF interface, 14-bit DAC output, dual core architecture, Linux compatibility, H.264/MPEG-4 AVC HP@L4, MPEG-2 MP@HL, SMPTE VC-1 AP@L3, MPEG-1 I/II/III (MP3), MPEG-2 ACC (AAC- LC), MPEG-4 HE AAC (aacPlus), Dolby® Digital (AC-3), Dolby Digital Plus, DVR support, dual display HD and SD, 2D Blitter graphics, video mosaic support, multi-level layered security, USB, Ethernet, HDMITM, eSATA, single port 10/100 fast Ethernet transceiver, etc.