BCM5705
10/100/1000BASE-T CONTROLLER WITH INTEGRATED TRANSCEIVER
FEATURES SUMMARY OF BENEFITS
Ultralow power for small form factor PCs
Single-chip device for desktop LAN on Motherboard (LOM)
or Network Interface Card (NIC) applications 0.13 CMOS design allows industrys lowest power
Advanced power management
Integrated 10/100/1000BASE-T transceiver
10/100/1000BASE-T triple-speed MAC Enables desktop PC products for all segmentsallows one
board layout for both Gigabit and Fast Ethernet applications
PCI v2.2, 32-bit/33-MHz host interface
High-speed RISC core with 24 KB caches
Completely backward compatible, with existing:
SMBus 2.0 controller
10/100 network infrastructure
On-chip power circuit controller and Wake-on-LAN power
PCI-based desktop and mobile platforms
switching circuit
Future-proof with flexible firmware architecture
Advanced power managementACPI compliance
Flexible firmware adapts to changing standards
Performance features Wirespeed custom packet filtering via onboard CPUs
TCP, IP, and UDP checksum
Power optimized through reduced CPU utilization
Microsoft large send
Adaptive interrupts minimize calls to the PCs CPU
TCP segmentation
TCP/IP offloads reduce CPU burden significantly
CPU task offload
Reduces power consumption of PC processor
Adaptive interrupts
Allows use of lower power/performance PC processor
Robust manageability
Cable analyzer tests for network cable issues
Wake-on-LAN
Customers can field-test using self-diagnostics
Out-of-Box mode Wake-on-LAN
Dramatically reduces customer calls, returns, and costs.
PXE 2.0 remote boot
Alert Standard Format (ASF) 1.0 support
Robust and highly manageable
Statistic gathering (SNMP MIB II, Ethernet-like MIB, and
PXE 2.0, ACPI 1.1, Wake-on-LAN
Ethernet MIB [802.3x, clause 30])
Integrated cable testinglink quality, length, pair skew, pair
Comprehensive diagnostic and configuration software suite
polarity, and pair swap
ACPI 1.1a complaintmultiple power modes
Flexible ASF 1.0
Advanced network features
Space savings for LOM
Virtual LANs802.1q VLAN tagging that supports 64
196-pin HBGA package
VLANs
No external memory
802.3x flow control
Integrated power circuitry reduces BOM costs
Cable analyzer features detect cabling problems
3.3V I/Os (5V tolerant)
JTAG
Industrys smallest 10/100/1000 MAC+PHY solution
Optimized for desktop LOM and NIC applications
Enables small form factor PCsOVERVIEW
10/100/1000
RX
MAC
Buffer
Memory
10/100/1000
PHY
TX
Memory
Controller
Processor
PCI
PCI
25 MHz
PLL
Memory Bus
PCI
EEPROM
LED Control SMBus PLL
Clk
Control
LED Signals SMB Interface EEPROM Interface
The BCM5705 is a fully integrated 10/100/1000BASE-T Gigabit enhancements are included to make the device even more user-friendly.
Ethernet media access control and physical layer transceiver solution for A unique integrated cable analyzer feature allows a user to self-diagnose
high-performance network applications. The BCM5705 combines a any issues with the network cabling that could affect the host machine.
triple-speed, IEEE 802.3 compliant Media Access Controller (MAC), A link quality indicator LED and a GUI application give installers an
a PCI bus interface, an on-chip buffer memory, and an integrated instant visual indication of problems, which include physical wiring
physical layer transceiver in a single device. The BCM5705 is fabricated defects or channel conditions, such as excessive cable length, return loss,
in a low-voltage 0.13 CMOS process, providing an ultralow power crosstalk, echo, and noise.
solution. By itself, the BCM5705 provides a complete single-chip
Broadcoms remote cable management and diagnostics software can be
Gigabit Ethernet NIC or LOM solution.
used with the device to provide remote management of the cable and a
The BCM5705 includes a 10/100/1000-Mbps Ethernet MAC with full-/ first level of diagnostics and fault isolation. The BCM5705 continually
half-duplex capability at all speeds. Support for the following 802.3 monitors various channel conditions. The optional wirespeed capability
functions is featured in the MAC: allows the BCM5705 to force auto-negotiation to be automatically
limited by the speed that the channel can reliably support rather than the
VLAN tagging
performance of the end equipment.
Layer 2 priority encoding
Link aggregation
Target Applications of the BCM5705
Full-duplex flow control
Desktop PC NIC
Desktop PC LOM
The device provides a PCI v2.2 bus interface and integrated on-chip
buffer memory for a stand-alone operation. An embedded high-
Software Drivers Available
performance processor enables custom frame processing features,
Windows 98, NT, 2000, XP
including TCP segmentation.
Linux 2.2, 2.4
The transceiver is fully compatible with the IEEE 802.3 standard for
auto-negotiation of speed. Additionally, several Plug and Play
Broadcom , the pulse logo, Connecting everything , and the Connecting everything logo are among
the trademarks of Broadcom Corporation and/or its affiliates in the United States, certain other countries
and/or the EU. Any other trademarks or trade names mentioned are the property of their respective
owners.
BROADCOM CORPORATION Phone: 949-926-5000
5300 California Avenue Fax: 949-926-5203
Irvine, California 92617 E-mail: info@broadcom.com
Web: www.broadcom.com
2009 by BROADCOM CORPORATION. All rights reserved.
5705-PB07-R 04/02/09