Genesys Logic

SATA to PATA/PATA to SATA bridge controller

The GL831 is a highly-compatible, low cost SATA to PATA and PATA to SATA bridge controller, which integrates Genesys Logic own design Serial ATA PHY. As a one-chip solution which complies with Serial ATA specification rev. 2.6 and ATA / ATAPI-6 specification rev 1.0, the GL831 can support various kinds of ATA / ATAPI device in SATA to PATA and SATA device in PATA to SATA. The GL831 uses 25MHz crystal and slew-rate controlled pads to reduce the EMI issue. With 64-pin LQFP (7mmX7mm) package, the GL831 is the best cost/ performance solution for SATA to PATA and PATA to SATA application.

• Complies with ATA/ATAPI-6 specification rev 1.0
• Support 16-bit Multiword DMA mode and Ultra DMA mode interface
• Operating system supported: Win Vista/ Win XP / 2000 / Me / 98 / 98SE; Mac OS 9.X / X
• Complies with Serial ATA specification rev. 2.6
• Support SATA hot-plug
• Support Spread Spectrum Clocking to reduce EMI
• Provide adjustable TX signal amplitude and pre-emphasis level
• Provide specified OOB signal detection and transmission
• Supports both 1.5Gbps and 3Gbps Speed Negotiation
• Supports both Host/Device controller configuration
• Support SATA 25MHz external crystal
• 3.3V power input; 5V tolerance pad
• Embedded Regulator (3.3V to 1.8V)
• Available in 64-pin LQFP