Overview

The LC89610 is a playback signal processing CMOS LSI that supports the mini-disk data format. Data that has been decoded by a CD decoder, an ACIRC decoder, or a CDROM decoder circuit is passed to a DRAM controller circuit and the LC89610 uses external DRAM to process shock proof. The shock proof processed data is passed to an audio data decoding LSI, the LC89602.

Features

? EFM decoder and PLL clock generator

? Detection, protection, and interpolation of the EFM frame synchronization signal

? Servo command control

? On-chip ACIRC decoder and ACIRC RAM

? ±8 frame jitter margin

? Powerful error detection and correction (C1: dual errors, C2: quadruple errors)

? CLV control using EFM and ADIP signals

? Subcode Q decoding and CRC error checking

? Shock proof memory using 1, 4, 16, or 64 Mbits of external DRAM

? Buffering control and management for TOC and UTOC data

? Buffering control and management for subdata

? ADIP decoding and CRC error checking

? Low-power design using a 0.8 μm rule CMOS process

? Support for low-voltage operation (VDD = 3.0 to 5.5 V)

? CCB based CPU interface