SOCs support standard- and high-definition decoding
-- EDN, May 8, 2006
Targeting low-end and midrange digital-television markets, the TC90400XBG and TC90400FG SOCs use a 64-bit, MIPS-based RISC host processor and three DSP processors. Able to decode multiple standard-definition streams or single high-definition streams, the chips can display in 720×480-pixel, 960×1080-pixel, or 1080i resolution. The chips can output standard 480i analog output and support a unified 16-bit DDR memory system as well as a NAND and NOR flash-memory controller. Additional features include a 180-MHz TX49/L3 core; a transport-stream processor; a built-in audio processor with MPEG-audio, Dolby AC-3, and AAC decoding; and a graphics engine with two planes. In addition, the TC90400XBG supports hard-disk-drive applications. Prices for the TC90400XBG and TC90400FG range from $10 to $18 (100,000), based on a one-year volume commitment.
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