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The STi5517 is the latest member of STMicroelectronics' OMEGA family of STB decoder solutions. The device is pin compatible with the STi5516. The device has an enhanced ST20 32-bit RSIC CPU with a 180 MHz clock, 8 Kbytes of instruction cache, 8 Kbytes of data cache, and 8 Kbytes of embedded SRAM. STi5517 also has a 16-bit, 133 MHz shared memory interface, with support for 64- and 128-bit configurations and a programmable external memory interface.

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