BCM5703S OVERVIEW
The BCM5703S 10/100/1000BASE-T Gigabit Ethernet media access control and serializer/deserializer (SerDes) is a fully integrated interface solution for high-performance network applications.

FEATURES
• Single-chip solution for LAN on Motherboard (LOM) and network interface card (NIC) applications
    • Integrated SerDes interface
    • 10/100/1000 Mbps triple-speed media access controller (MAC)
    • Host interfaces
        - PCI v2.2, 32/64-bit, 33/66 MHz
        - PCI-X v1.0 64-bit, 66/100/133 MHz
    • Ultra-deep 96 KB, on-chip packet buffer
    • Dual high-speed RISC cores with 16-KB caches
• Programmable, in-line packet classification
    • SMBus controller
    • On-chip power circuit controller and Wake on LAN power switching circuit
• Performance features
    • TCP, IP, UDP checksum
    • TCP segmentation
    • CPU task offload
    • Adaptive interrupts
    • Ultra-deep 96 KB packet buffer
• Robust manageability
    • PXE 2.0 remote boot
    • Alert Standard Format (ASF 1.0 support)
    • Wake on LAN
    • Statistics gathering: SNMP MIB II, Ethernet-like MIB, Ethernet MIB (802.3x, Clause 30)
    • Comprehensive diagnostic and configuration software suite
    • ACPI 1.1a compliant (multiple power modes)
• Advanced network features
    • Priority queuing (802.1p layer 2 priority encoding; support for four priority queues)
    • Virtual LANs (802.1q VLAN tagging; support for up to 64 VLANs)
    • Jumbo frames (9 KB)
    • 802.3x flow control
• Advanced server features
    • Link aggregation: 802.3ad, GEC/FEC, Smart Load Balancing™ (supports heterogeneous teams)
    • Heterogeneous mixed-speed failover
    • Hot-Plug PCI support
• Low power, 0.13-µm CMOS design
• 300-pin HBGA package
• 3.3V I/Os (5V tolerant)
• JTAG