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• ATJ2257D is a highly integrated 32bit RISC-based SoC for digital media solution. The RISC architecture and high speed bus controller are capable of achieving high performance with low power consumption. With a built-in JPEG co-processor, this media platform is capable of processing both JPEG and MJPEG format with higher efficiency. The integrated high-speed USB 2.0 SIE enables the platform to act as a mass storage device at the speed up to 480Mbps. The audio codec in the SoC is based on sigma-delta modulation, providing high performance with low power consumption as well as allowing the flexible adjustment of sample rates from 8k to 96k. The built-in audio codec is able of switch inputs among headphones, microphones, FM radios and direct drive for low impedance earphones.
• ATJ2257D also provides integrated SDRAM and Flash interfaces; IIC, IR and UART etc. interfaces for changeable control and transfer modes. ATJ2257D therefore provides a true “ALL-IN-ONE” solution that is ideally suited for highly optimized digital media devices.
|Feature|| • Audio playing support: WMA, OGG, APE, WAV, ASF, FLAC|
• Audio recording support: WAV
• Video playing support: AMVB, XVID, WMV, FLV, MJPEG QVGA
• Image view support: JPEG, BMP, GIF, PNG
• High-speed USB 2.0 Device
• Support SLC & MLC&TLC NAND FLASH and Mange NAND.
• support 8bit,24bit,40bit,60bit ECC; and Hardware Randomizer
• Support SD/MMC FLASH Card
• Support OLED, TFT, STN
• Integrated stereo DAC & ADC&CLASSD
• Li-Ion battery charger
• 7 bit battery monitoring ADC
• Support Touch Panel