BCM5770 Ver la hoja de datos (PDF) - Broadcom Corporation
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BCM5770 Datasheet PDF : 2 Pages
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BCM5770/BCM5770R
®
HIGH-PERFORMANCE 8/4-PORT SATA-I ← → PCI-X® CONTROLLERS
BCM5770/BCM5770R FEATURES
FEATURES (CONTINUED)
• Industry's first 0.13µ CMOS SATA-I Controllers
• 8 (BCM5770) and 4 (BCM5770R) ports
• Integrated high-performance 1.5G SATA PHY
• Enhanced support for driving backplanes
• Host interfaces
• PCI-X 1.0 66, 100, and 133 MHz
• PCI 2.3 32-bit and 64-bit interfaces
• High-performance QDMA™ engine lowers CPU utilization,
increases IOPS and throughput
• Ultra-deep command queues for command queuing
• 256 independent command queue entries per port
• Independent scatter gather DMA engines
• Advanced interrupt coalescing algorithms
• Automatic status block update
• Decrease CPU utilization associated with READ wait time
• Increase efficiency of PCI-X host interface
• Integrated PRBS generator and monitor
• Hot-plug support
• Enclosure management support
• 8-port and 4-port versions are pin-compatible
• 324 P-BGA packages
• 1.68W max (BCM5770)
• 1.36W max (BCM5770R)
• Driver support
• Windows®
• Linux®
APPLICATIONS
• Embedded on a motherboard
• DAS RAID HBA
• External RAID storage
64b
133 MH
BCM5770/BCM5770R Block Diagram
DMA Channels
CMD & PRD RAM
SATA
Transport
Data FIFO
SATA
Link Layer
Link SM
CRC
LFSR
8B/10B
DMA Channels
CMD & PRD RAM
SATA
Transport
Data FIFO
SATA
Link Layer
Link SM
CRC
LFSR
8B/10B
1.5 Gb/s
Port1
Port8
1.5 Gb/s
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