OVERVIEW

特性 Features

Host Interface

? Support ATAPI CD-ROM standard (SFF 8020)

? Ultra DMA/33 support to achieve high throughput and data integrity

? 32-byte Data FIFO to increase data throughput

? Support Block-offset transfer and Linear Address transfer

? Automatic ATAPI sequence handling

? Automatic data transfer trigger and cache management

DSP Interface

? Supports CD-ROM, CD-ROM/XA, CD-I, Video-CD, Photo-CD, and CD-Plus formats

? Supports various types of microprocessors and DSPs

? Supports CD-ROM data descrambling

? Supports both real-time correction and buffer-independent correction

? One byte error correction per P-word and Q-word

? Supports error detection of CD-ROM data

? Automatic repeated error correction

? Real time EDC checking logic

? Q-channel extraction by hardware to support precise CD-DA data reading

? Using pin BCK as subcode reference clock

? Target Search and Status Flag Collection to minimize micro-processor overhead

Microcontroller Interface

? Direct Register Addressing (default) and Indirect Register Addressing support

? Programmable ALE pin

? Support 2 programmable general I/O ports and one programmable general input port

DRAM Interface

? Various DRAMs support (128K x 8, 256K x 8, 1M x 8, 64K x 16, 128K x 16, 256K x 16)

? Supports ring-control-register to add flexibility of DRAM control

? FPG/EDO DRAM support

? Programmable DRAM timing

? Programmable refresh timing

Audio Playback Interface

? Audio playback in CAV mode

? Programmable audio data output pin

? Programmable audio reference clock

? Flexible left-right mute and volume control

? IEC-958 Digital Audio output

Miscellaneous

? Flexible power management

? Programmable internal system clock (up to 4 times fast of crystal input)

? Clock output with various frequency

? 100-pin QFP/LQFP package