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Actions ATJ213x Series


This is multimedia SoC based on MIPS 4kEc core (clocked up to 180 MHz) and 24bit DSP of unknown type. There are some hints that DSP might be ADSP-21xx clone with 24bit mode (WSP2416 ???). MIPS core provides cache and MMU units. Other than this there is standard set of peripherials including NAND, SDRAM, SD, I2C?, UART, LCDIF, ADC, USB 2.0, DAC, PMU. There are known two members of this family - ATJ2135 and ATJ2137 but we don't know how this two are related. The firmware is scrambled and the work to reverse engineer the algorithm used is ongoing - see ATJ213xFirmware for more info.
r1 - 14 Sep 2012 - 06:46:17 - MarcinBukat

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