BCM84834 Broadcom Corp., BCM84834 Datasheet
BCM84834
Manufacturer Part Number
BCM84834
Description
Four-port 10gbase-t Transceiver
Manufacturer
Broadcom Corp.
Datasheet
1.BCM84834.pdf
(2 pages)
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Highly integrated four-port 10GBASE-T Ethernet transceiver
Supports lower speeds: 10BASE-T, 100BASE-TX, 1000BASE-T
XFI and SGMII MAC interface options
Compliant with IEEE 802.3™, 802.3an, 802.3ab, and 802.3u
standards
AutogrEEEn™ mode enables energy-efficient network
deployment
Support for 100m operation with a 30m low-power mode
On-chip low-voltage regulators
Line-side loopback mode
Low electromagnetic interference (EMI) emissions
Cable plant diagnostics
Detection and correction of pair-swaps (MDI crossover),
pair skew, and pair polarity
Support for jumbo packets up to 18 KB
IEEE 1149.1 (JTAG) boundary scan
676-pin FBGA 27 mm x 27 mm package
Controller
Switch
MAC
or
F E A T U R E S
FOUR-PORT 10GBASE-T TRANSCEIVER
SGMII
SGMII
XFI
XFI
®
General 10-Gigabit Ethernet Connectivity
BCM84834
BCM84834
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Brief
Simplifies system and board design
• Reduces PCB space
• Lowers system bill of materials (BOM)
Provides interoperability with IEEE standard devices
operating at 10 Mbps, 100 Mbps, 1000 Mbps, and 10 Gbps
Compatibility with industry standard Ethernet MACs
Flexibility for copper or fiber applications
Reduces system design constraints to meet EMI emissions
standards
Cable diagnostic function characterizes cable plant condition
and immediately indicates cabling issues.
Operates with larger packets for wider range of packet
protocol support and improved efficiency
Ease of manufacturing with JTAG support and simplified
power supply
MDI
MDI
S U M M A R Y O F B E N E F I T S
Transformer
Transformer
RJ-45
RJ-45
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BCM84834 Summary of contents
Page 1
... Operates with larger packets for wider range of packet protocol support and improved efficiency • Ease of manufacturing with JTAG support and simplified power supply General 10-Gigabit Ethernet Connectivity MDI BCM84834 MDI RJ-45 Transformer RJ-45 Transformer ...
Page 2
... The BCM84834 is optimized to enable switch, controller, and other general 10-Gigabit Ethernet (GbE) connectivity applications. Each port in the BCM84834 contains one XFI interface to connect to the MAC side. This quad port enables customers to design high-density Top of the Rack (ToR) switches and server NIC controllers for data center applications. ® ...