BCM5770/BCM5770R
®
HIGH-PERFORMANCE 8/4-PORT SATA-I
← →
PCI-X
®
CONTROLLERS
BCM5770/BCM5770R FEATURES
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Industry's first 0.13µ CMOS SATA-I Controllers
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8 (BCM5770) and 4 (BCM5770R) ports
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Integrated high-performance 1.5G SATA PHY
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Enhanced support for driving backplanes
Host interfaces
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PCI-X 1.0 66, 100, and 133 MHz
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PCI 2.3 32-bit and 64-bit interfaces
High-performance QDMA™ engine lowers CPU utilization,
increases IOPS and throughput
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Ultra-deep command queues for command queuing
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256 independent command queue entries per port
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Independent scatter gather DMA engines
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Advanced interrupt coalescing algorithms
Automatic status block update
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Decrease CPU utilization associated with READ wait time
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Increase efficiency of PCI-X host interface
Integrated PRBS generator and monitor
FEATURES (CONTINUED)
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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
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Windows
®
•
Linux
®
APPLICATIONS
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Embedded on a motherboard
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DAS RAID HBA
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External RAID storage
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Hot-plug support
BCM5770/BCM5770R Block Diagram
DMA Channels
CMD & PRD RAM
SATA
Transport
SATA
Link Layer
Link SM
CRC
LFSR
8B/10B
SATA PHY
HOST ARBITER (1 GB/s)
1.5 Gb/s
Port1
64b
133 MH
PCI-X INTERFACE
Data FIFO
DMA Channels
CMD & PRD RAM
SATA
Transport
Data FIFO
SATA
Link Layer
Link SM
CRC
LFSR
8B/10B
Port8
1.5 Gb/s
SATA PHY
BOARDCOM [ Broadcom Corporation. ]
