bcm5770 Broadcom Corp., bcm5770 Datasheet
bcm5770
Manufacturer Part Number
bcm5770
Description
Bcm5770 - 8-port Sata/pci-x Controller
Manufacturer
Broadcom Corp.
Datasheet
1.BCM5770.pdf
(2 pages)
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B C M 5 7 7 0 / B C M 5 7 7 0 R F E A T U R E S
HIGH-PERFORMANCE 8/4-PORT SATA-I ← → PCI-X
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
133 MH
64b
®
CMD & PRD RAM
CMD & PRD RAM
DMA Channels
DMA Channels
BCM5770/BCM5770R Block Diagram
BCM5770/BCM5770R
Data FIFO
Data FIFO
Transport
Transport
SATA
SATA
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Embedded on a motherboard
DAS RAID HBA
External RAID storage
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
F E A T U R E S ( C O N T I N U E D )
®
Link Layer
Link Layer
®
Link SM
8B/10B
Link SM
SATA
LFSR
8B/10B
CRC
SATA
LFSR
CRC
A P P L I C A T I O N S
®
CONTROLLERS
Port1
Port8
1.5 Gb/s
1.5 Gb/s
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bcm5770 Summary of contents
Page 1
... HIGH-PERFORMANCE 8/4-PORT SATA-I ← → PCI • 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 • ...
Page 2
... A Low Pin Count (LPC) Interface Specification 1.0 compliant interface is available to connect the BCM5770/BCM5770R to an external flash/ ROM up to 128 KB. Three general-purpose I/O pins with tri-state capability are available and can be specially configured to drive LEDs. ...