BCM5770/BCM5770R
®
HIGH-PERFORMANCE 8/4-PORT SATA-I ← → PCI-X
®
CONTROLLERS
BCM5770/BCM5770R Block Diagram
• 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
®
BCM5770/BCM5770R FEATURES FEATURES (CONTINUED)
Embedded on a motherboard
DAS RAID HBA
External RAID storage
APPLICATIONS
PCI
-
X INTERFACE

HO
ST ARBITER (1 G
B
/s)

SA
TA
PH
Y

DMA Channels
CMD & PRD RAM
Data FIFO
SATA
Transport
SATA
Link Layer
Link SM
CRC
LFSR
8B/10B
SA
TA
PH
Y

DMA Channels
CMD & PRD RAM
Data FIFO
SATA
Transport
SATA
Link Layer
Link SM
CRC
LFSR
8B/10B
64b
133 MH
1.5 Gb/s
1.5 Gb/s
Port1
Port8