BCM5705
®
10/100/1000BASE-T CONTROLLER WITH INTEGRATED TRANSCEIVER
Single chip device for desktop LAN on Motherboard (LOM) or
Network Interface Card (NIC) applications
Integrated 10/100/1000BASE-T transceiver
10/100/1000BASE-T triple-speed MAC
PCI v2.2, 32-bit/33-MHz host interface
High-speed RISC core with 24-KB caches
SMBus 2.0 controller
On-chip power circuit controller and Wake-on LAN power
switching circuit
Advanced power managementACPI compliance
Performance features
TCP, IP, and UDP checksum
Microsoft® Large Send
TCP segmentation
CPU task offload
Adaptive interrupts
Robust manageability
Wake-on LAN
Out-of-Box mode Wake-on LAN
PXE 2.0 remote boot
Alert Specification Forum (ASF) 1.0 support
Statistic Gathering (SNMP MIB II, Ethernet-like MIB, and
Ethernet MIB [802.3x, clause 30])
Comprehensive diagnostic and configuration software suite
ACPI 1.1a complaint—multiple power modes
Advanced network features
Virtual LANs—802.1q VLAN tagging that supports 64 VLANs
802.3x flow control
Cable analyzer features detect cabling problems
3.3V I/Os (5V tolerant)
JTAG
Industry’s smallest 10/100/1000 MAC+PHY solution
Optimized for desktop LOM and NIC applications
Enables small form factor PCs
Ultra-low power for small form factor PCs
0.13µ CMOS design allows industry’s lowest power
Advanced power management
Enables desktop PC products for all segmentsAllows one
board layout for both Gigabit and Fast Ethernet applications
Completely backward compatible, with existing:
10/100 network infrastructure
PCI-based desktop and mobile platforms
Future-proof with flexible firmware architecture
Flexible firmware adapts to changing standards
Wirespeed custom packet filtering via on-board CPUs
Power optimized through reduced CPU utilization
Adaptive interrupts minimizes calls to the PC’s CPU
TCP/IP offloads reduce CPU burden significantly
Reduces power consumption of PC processor
Allows use of lower power/performance PC processor
Cable analyzer tests for network cable issues
Customers can field-test using self-diagnostics
Dramatically reduces customer calls, returns, and costs
Robust and highly manageable
PXE 2.0, ACPI 1.1, Wake-on LAN
Integrated cable testing—Link quality, length, pair skew, pair
polarity, and pair swap
Flexible ASF 1.0
Space savings for LOM
196-pin HBGA package
No external memory
Integrated power circuitry reduces BOM costs
FEATURES SUMMARY OF BENEFITS