SM2288

•Single Chip, real time MPEG-2 Audio/Video CODEC with system Mux/Demux and OSD
•Supports Real Time MPEG-1 encoding and decoding
•Supports Real Time MPEG-2 MP@ML, SP@ML, and MP@LL encoding and decoding
•Support for constant and one-pass variable bit rate
• IPB-pictures, CBR or VBR to 15Mbps
• I-pictures only to 30Mbps
•Supports Transport, Program, and Elementary streams
•Support for real time encoding and decoding of twochannel digital audio in either Dolby Digital or MPEG audio (Layer I, II, and III - MP3)
•Programmable system mux/demux supports VCD, SVCD and DVD encoding and decoding
•8-bit OSD support (2-b text, 2-b to 8-b graphics)
•Supports Multiple Resolutions and Scan Rates
•Low external memory, e.g., NTSC:
• 8 Mbytes for full D1 (720) NTSC/PAL pictures
•Intel/Motorola 16-bit host interface
•Generic 8-bit interface for glue-less to multiple devices such as the Philips 7146 PCI Bridge, Philips TriMedia, and USB controllers
•Integrated programmable video pre & post processors
•Integrated I2C and I2S Interfaces
•Integrated spatial and temporal filters and telecine functions
•108 MHz internal clock derived from 27 MHz clock
•272 BGA package
•0.18 CMOS technology
•3.3V and 1.8V power supplies, 5V I/O tolerance
•1.00 Watts at 108 MHz average power consumption

The SM2288 is a single chip, real time MPEG-2 audio/video encoder/decoder (codec) with an integrated system multiplexor/demultiplexor and on-screen display (OSD) feature. The SM2288 codec encodes and decodes both ISO/IEC 13818 Main Level @ Main Profile (ML@MP), Simple Profile @ Main Level (SP@ML), Main Profile @ Low Level (MP@LL), and ISO/IEC 11172 (MPEG-1) video bitstreams as well as MPEG audio, and Dolby Digital (AC-3). In addition, the SM2288 can encode and decode the popular MP3 audio format.

In encode mode, the SM2288 produces MPEG-compliant audio and video elementary bit streams, program bit streams, as well as transport streams for broadcast and set-top box applications. For additional flexibility, the SM2288 accepts video in either the ITU-R BT.656 (CCIR-656) or ITU-R BT.601 (CCIR-601) format. Audio is input in the Linear PCM format. In decode mode, the SM2288 can accept MPEG transport streams, program bit streams, as well as audio and video elementary streams. Video can be output in either the CCIR- 656 or 601 CCIR-601 format. Audio is output in the Linear PCM format.

For applications requiring on screen displays, the SM2288 OSD feature supports both text and graphics enabling the display of user menus, broadcast information, or status updates. Fully programmable, the SM2288 OSD supports multiple graphics bit depths including 2-bit, 4-bit, and 8-bit. The algorithmic and architectural innovations of the SM2288 enable a high degree of integration while still providing exceptional video quality over the widest range of bit rates.

In addition, the SM2288 provides ease of system design by interfacing to a wide variety of commodity components such as Philips video decoders and encoders, Flash, and SDRAM memories. These combined benefits make the SM2288 an ideal single-chip solution for a variety of MPEG-2 based applications ranging from SVCD recorders to set-top boxes. The SM2288 codec can also be combined with a standard DVD decoder chip to provide full-duplex DVD recording and playback functionality enabling new classes of consumer devices such as DVD players with time-shift capabilities or DVD-Recordable VHS replacement systems. The SM2288's MP3 codec capability can further enhance these devices by adding additional audio functionality.