LC895994

Ordering number : EN*5824 CMOS IC LC895994 CD-R Encoder/Decoder LSI with Built-in ATAPI (IDE) Interface Preliminary Overview The LC895994 is a CD-R LSI that provides a wide range of functions including CD-ROM decoding (including ECC) and encoding, subcode Q encoding (CRC addition) and decoding, CD encoding, ATIP decoding and CLV servo, and an IDE interface that includes the register block. Package Dimensions unit: mm 3153A-QFP160E [LC895994] Features ECC and EDC correction/addition for the CD-ROM data (during decoding and encoding) ATIP decoding and CRC checking for both encoding and decoding CLV servo control using ATIP data during encoding CIRC code insertion and EFM modulation during encoding Support for PCA random EFM output during encoding Support for CD-ReWritable (CD-RW) Write Strategy signal output Access to buffer RAM from microcontroller via LC895994 Built-in ATAPI (IDE) interface Speeds of 12× for decoding and 4× for encoding — Frequencies Decoding: 17.2872 MHz Encoding: 17.2872 MHz without Write Strategy support 69.1488 MHz with Write Strategy support IDE Transfer rate: 13.3 MB/s when using 16-bit data path 80-ns DRAM chips Buffer RAM sizes between 1 and 32 megabits (using 16bit DRAMs) User control over sizes of CD main channel, C2 flag areas in buffer RAM Built-in batch transfer function for transferring entire CD main channel, C2 flag, or subcode area in a single operation Built-in multiblock transfer function for transferring mul...