BCM5789 Broadcom, BCM5789 Datasheet
BCM5789
Manufacturer Part Number
BCM5789
Description
10/100/1000Base-T Controller
Manufacturer
Broadcom
Datasheet
1.BCM5789.pdf
(2 pages)
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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
• High-speed RISC core with 24-KB cache
• On-chip voltage regulation
• Wake-on-LAN power switching circuit
PCI Express
• 1x lane
• 4-pin interface
• Functionality identical to PCI
Performance features
• TCP, IP, and UDP checksum
• Large burst read
Robust Wake on LAN (WoL)
• Standards-compliant WoL
• Innovative out-of-box mode WoL
• Hardware power switching
• Comprehensive diagnostic and configuration software suite
Industry-compliant alerting features
• Secure power-on and power-off
• Fast hardware authentication (SHA-1, HMAC, MD5)
• True hardware random number generation
3.3V I/Os (5V-tolerant)
JTAG
10/100/1000BASE-T CONTROLLER WITH INTEGRATED
®
host interface
F E A T U R E S
®
TRANSCEIVER
BCM5789
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Wirespeed performance increases user performance
• PCI Express provides wirespeed non-blocking throughput
• TCP/IP stack offloads significantly reduce utilization of CPU
• TCP/IP stack offloads significantly increase throughput to
Industry's smallest GbE form factor enables easier
motherboard design
• Innovative design reduces footprint to 67% smaller than
• 15mm x 15 mm package
• Integrated WoL switching eliminates external power switching
Design flexibility allows feature consistency across SKUs
• Common motherboard layout enabling support for both PCI-
• Layout compatible with the following 10/100BASE-T and 10/
• Single software driver image across PCI and PCI Express
enable faster downloads of large files
competing solutions
components
and PCI-Express-based Ethernet controllers
1 0 0 / 1 0 0 0 BA S E - T d e v i c e s : B C M 5 7 5 2 , B C M 5 7 5 1 ,
BCM5705E, BCM5788E, BCM4401E
platforms
S U M M A R Y O F B E N E F I T S
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BCM5789 Summary of contents
Page 1
... Fast hardware authentication (SHA-1, HMAC, MD5) • True hardware random number generation • 3.3V I/Os (5V-tolerant) • JTAG BCM5789 TRANSCEIVER • Wirespeed performance increases user performance • PCI Express provides wirespeed non-blocking throughput • TCP/IP stack offloads significantly reduce utilization of CPU • ...
Page 2
... By itself, the BCM5789 provides a complete single-chip Gigabit Ethernet NIC or LOM solution. The BCM5789 includes a 10/100/1000-Mbps Ethernet MAC with full/ half-duplex capability at all speeds. Support for the following 802.3 functions is featured in the MAC: VLAN tagging, layer 2 priority encoding, and full-duplex flow control ...