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STB SoC ICs allow SD, HD to share same PCB design

Posted: 21 Dec 2010 ?? ?Print Version ?Bookmark and Share

Keywords:Set-top box? STB? IPTV? DVB? decoder?

STMicroelectronics (ST) launched two new SoCs, the STi7162 for HD STBs and STi5262 for SD products. which allow standard-definition (SD) and high-definition (HD) equipment to share the same PCB design and leverage software developed for earlier product generations.

The STi7162 for HD STBs and STi5262 for SD products are based on the widely used STi7167 and STi5267, respectively. Targeting free-to-air, cable and terrestrial STBs, as well as hybrid products with added support for IPTV, each device merges the STB decoder with DVB-C cable and DVB-T terrestrial demodulators, plus optional Ethernet support. Each device accommodates targeted functions for cost-optimized STBs with built-in security features.

The STi7162 and STi5262 have identical pin assignments, allowing manufacturers to cut costs of developing a separate PCB for SD and HD products. These decoder/ demodulators simplify PCB design and reduce build costs, as the pin assignments allow a straightforward two-layer board instead of a complex and expensive multi-layer board. Moreover, software compatibility between the latest devices and the proven STi7105 and STi7167 permits project teams to re-use existing software.

Key features of STi7162/5262: low-power 55nm process technology; configurable cable/terrestrial demodulator; DELTA video decoding system for SD and HD (MPEG2, H264, VC-1) signals; 2D graphics and display subsystem, plus 3D user-interface effects, and Linux/OS21-compatible application processor with up to 1000-DMIPS performance.

The STi5262 and STi7162 are available now in 27x27mm, 620-ball PBGA packages.

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