AT78C4050 Datasheet, PDF (1/5 Pages) ATMEL Corporation – DVD PRML Channel and System Controller SoC

Features
• Integrates All Required Components for Complete ATAPI DVD/CD Writer Solution
– Data Channel
– Servo Control Processor
– DVD ECC ENDEC
– CD CIRC C3 ENDEC
– Buffer Management
– EFM EFM+ 1.7 PP ENDEC
– ATAPI Interface
• Formats Supported
– DVD-ROM
– DVD-R
– DVD-RW
– DVD+R
– DVD+RW
– Blue Laser DVD
– CD-ROM Mode 1
– CD-ROM Mode 2
– CD-ROM XA Mode 2 Form 1
– CD-ROM XA Mode 2 Form 2
– CD-DA
– CD-R
– CD-RW
• Read/Write Speeds Supported
– DVD-ROM
16x
– DVD+R
16x
– DVD+RW
8x
– DVD-R
16x
– DVD-RW
8x
– Blue Laser DVD 8x
– CD-R
52x
– CD-RW
48x
– CD-ROM
52x
• Pick-up Head Interface
– Auto Laser Power Control (ALPC) Circuit
– Supports Alpha (ROPC) Loop and OPC
– Programmable Serial Interface to OPU for Write Strategy Control
– Supports OPU Current Type and Voltage Type
– TWI interface to Access the EEPROM Serial Number
• Host Interface
– ATAPI Compatible ATA-6 Host Mode
– Ultra DMA Support (100 MB/s)
– Direct Interface to ATAPI Bus
• Processor
– ARM946E-S^™ RISC Processor
– Internal SRAM for Data
– Parallel External 16-bit Width Flash for Code, 512 Kbyte (max)
DVD PRML
Channel and
System
Controller SoC
AT78C4050
Summary
3507BS–NETST–6/05
Note: This is a summary document. A complete document
is available under NDA. For more information, please con-
tact your local Atmel sales office.