Broadcom BCM84848 Quad 10GBASE-T Transceiver FOUR-PORT 10GBASE-T TRANSCEIVER Cable diagnostics identifies cable plant condition to immediately trace cabling issues. Overview 1588v2 with one-step timestamp insertion The Broadcom BCM84848 is a complete quad provides high accuracy timing. 100BASE-TX, 1000BASE-T and 10GBASE-T solution 802.1ae MACsec provides link layer security. operating at 100m over CAT6a UTP cable. Its 23 x 23 mm BGA package permits 48-port 1RU Features switches to be implemented with the PHYs in a sin- Highly integrated four-port 10GBASE-T gle row, with room remaining for 6 QSFP uplinks. Ethernet transceiver. The BCM84848 offers lower power than our first- Highlights generation 40 nm 10GBASE-T PHYs while adding Supports multiple speeds: 10GBASE-T as well Energy Efficient Ethernet (EEE) for 1000BASE-T and as 100BASE-TX and 1000BASE-T. The BCM84848 delivers a second-generation 40 nm 100BASE-TX, in addition to 10GBASE-T. Optional XFI and SGMII MAC interface options. 10GBASE-T PHY in a small 23 x Adaptive Voltage Scaling (AVS) delivers a low Compliant with IEEE 802.3, IEEE 802.3an, 23 mm BGA package. power solution while enabling a low cost imple- IEEE 802.3ab, IEEE 802.3u, and IEEE 802.3az Standard 1RU switching plat- mentation. The BCM84848 is based on a highly standards. forms can implement a single- advanced digital signal processor architecture to AutogrEEEn technology permits legacy MACs row PHY design with this 23 x 23 enable robust operations over worst case UTP to receive the power savings of EEE in periods mm package cables. of reduced link utilization. Energy Efficient Ethernet (EEE) is Reduced number of power supplies with stan- now delivered on all network Summary of Benefits dard voltages: 1.0V and 2.5V. speeds: 10GBASE-T, 1000BASE- T, and 100BASE-TX. EEE provides AVS for the creation of a local DVdd supply Small 23 x 23 mm package enables single-row significant power reduction, and from a 3.3V global supply. PHY design for 48-port switches while offering AutogrEEEn enables EEE with Synchronous Ethernet (SyncE) support. forward compatible footprint legacy MACs. Cable plant diagnostics. Robust operation over 100m Cat6a cables Quad 10GBASE-T PHYs are ideal with industry-standard 4-pair magnetics. IEEE standard 1588-2008 (version 2) support. for 48-port, top of rack (ToR) Auto-negotiation lowers system Detection and correction of pair swaps (MDI switches, and 4x 10GbE administration cost. adapters. crossover), pair skew, and pair polarity. EEE on GbE delivers lower power for legacy Simplified system design with Support for jumbo packets up to 18 KB. interconnections. only two power supplies and no Super-Isolate mode to completely disable a external MDI components. IEEE standard device interoperability: selected port. 100 Mbps, 1000 Mbps, and 10 Gbps. 1588 Precision Time Protocol IEEE 1149.1 (JTAG) boundary scan. Cuts design constraints to meet EMI standards. (PTP) provides precise and Extensive selection of both line and network accurate synchronization of side loopbacks. nodes in the network. 802.1ae MACsec Security. XFI MDI Transformer RJ-45 BCM84848 Service XFI Provider MDI RJ-45 Transformer MAC OTN/PTN Controller BCM84848 or XFI Switch Data Centers MDI RJ-45 Transformer Enterprise XFI RJ-45 MDI Transformer Supported Best ChoiceBCM84848 Port 1 BCM84848 Port 2 BCM84848 Port 3 SYNC IN0 IEEE 1588/SyncE SYNC IN1 OUT INTERR MLC FrFrFrFramamamameeee LDPLDPLDPLDPCCCC 4D DS4D4D4D D D DSSSQQQQ 4D Pre-H 4D4D4D4D DA DA DA DACCCC RD 1 + ScScScScrrrraaaambmbmbmblellleee EnEnEnEncodcococodddeeee 128 Map DeDeDeDeccodcodcododeeee XFI TD 1 + XXAUXAUXAUFI SGIII MII /MAS/SGGMC MIIII 4D4D4D4D C C C Clllloooocccckkkk interface MACMACMAC TRD 1 0:3 MaMaMaMattttrrrriixixixx RecRecRecRecoooovvvveeeerrrryyyy InInInteteterrrfffaaaccceee XtXtXtXtalalalalkkkk CaCaCaCannnncccceeeellllelelelerrrr DeDeDefffrrraaammmeee 4D4D4D4D D D D DSSSSQQQQ Deframe and LDPC LDPC anananandddd anananddd 128 So128 So128 So128 Softfffttt Descramble 4D4D A ADDCC Decode EqEqEqEquuuuaaaalilililizzzzeeeerrrr Decode DeDeDeDecisccciiisssioniiionononssss BCM84848 Port 4 MDIO MDC MDIOMDIOMDIO LEDLEDLEDLED MII Registers Management 10 LE10 10 Ds CoCoCoConnnntrtttorrrooolllllllleeeerrrr MDIMDIMDIOOO InIntIntIntteeeerfrrrafffaaaceccceee SISISI +XTALN SCSCSCKKK ClClClCloooockccckkk SPSPSPIII GeGenGenGenneeeeratrrraaaotttooorrrr +XTALP CSCSCSbbb SOSOSO ShSharareedd F Fuunncctitioonnss MDIO MDC MDIOMDIOMDIO LELEDLEDLEDD MII Registers Management 10 10 LED10 s CoCoCoConnnntrtttorrrooollelllllleeerrrr MDIMDIMDIOOO InIntIntIntteeeerfrrrafffaaaceccceee SISISI +XTALN SCSCSCKKK ClCloCloCloocccckkkk SPSPSPIII GeGenGenGenneeeeratrrraaaotttooorrrr +XTALP CSCSCSbbb SOSOSO ShSharareedd F Fuunncctitioonnss BCM84848 Block Diagram for Each Port The BCM84848 quad-port PHY enables to support virtually all switch/PHY implementation is part of Broadcom s customers to design high-density ToR connections for ToR switches. Support broad offering of security devices. switches, modular line cards, and 4x for EEE is provided both through LPI The BCM984848 16PORT is available and 10GbE server adapters. The BCM84848 is commands over the XFI interface and via provides a reference design platform a second-generation 40 nm device that Broadcom s AutogrEEEn feature. EEE is suitable for evaluation of the device. A adds important features such as EEE, on supported for all three speeds: 10GBASE- design guide is provided as part of the 1000BASE-T and AVS, which can reduce T, 1000BASE-T, and 100BASE-TX. Support device support information. Contact your implementation cost and power. for 1588v2 in the BCM84848 is part of Broadcom sales representative for Broadcom s broad offering of PTP The MAC interface for the BCM84848 is a information. devices. The IEEE 802.1ae MACsec high-performance XFI I/O, which is able Ordering Information Part Number 484-pin FBGA (RoHS-compliant) BCM84848A1KFSBG About Broadcom Broadcom Corporation (NASDAQ: BRCM), mobile environments. With the industry s a FORTUNE 500 company, is a global broadest portfolio of state-of-the-art sys- leader and innovator in semiconductor tem-on-a-chip and embedded software solutions for wired and wireless communi- solutions, Broadcom is changing the world cations. Broadcom products seamlessly by Connecting everything. For more infor- deliver voice, video, data, and multimedia mation, go to www.broadcom.com. connectivity in the home, office, and Broadcom, the pulse logo, Connecting everything, and the Connecting everything logo, and AutogrEEEn 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. September 24, 2012 84848-PB00-R