The Sunext SC4121 is a single-chip CD-R/RW and DVD-Read controller capable of 52X CD-R write, 32X CD-RW write, 52X CD read and 16X DVD read speeds, including DVD-RAM. CAV and CLV read and write methods are supported for CD. The SC4121 provides a high level of integration that includes an ARM7 microprocessor, Ultra DMA ATA/ATAPI-5 interface, Analog Front End (AFE), CD Decoder/Encoder, CD Servo, Wobble Processor and integrated Write Strategy.

An advanced architecture affords reduced error rates, greater seek accuracy, and improved seek access time. Power management is provided to reduce power consumption and increase power efficiency.

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