Broadcom BCM89810 Automotive Physical Layer Technology SINGLE-PORT BroadR-Reach AUTOMOTIVE ETHERNET TRANSCEIVER Overview Product Family Features The BCM89810 is a 100 Mbps automotive Specific architectural and design enhance- Ethernet transceiver integrated into a single ments are utilized to increase design for monolithic CMOS chip. The device performs all test, reliability, and quality to surpass AEC- of the physical layer (PHY) functions for Q100 and EMC requirements. BroadR-Reach encoded Ethernet packets Designed to support IEEE 1588 timing over single-pair unshielded twisted-pair cop- function. per wire, such as FlexRay. The BCM89810 is Highlights Small size footprint support with 48-pin designed to exceed automotive specifications MLP package. World s first automotive for noise cancellation and transmission jitter, BroadR-Reach physical layer Automotive cable diagnostics feature can providing consistent and reliable operation transceiver, supporting cost- detect pair open/short and distance. effective connectivity through over the broadest range of existing single-pair lower cabling and connector twisted-pair automotive cable plants. cost. Advanced power savings with Architectural Features Green technology. Single BroadR-Reach transceiver in a fully Highly optimized for multiple in-car endpoint applications. integrated 65 nm CMOS chip Enhanced design to meet Full-duplex operation at the rate of stringent automotive produc- 100 Mbps over one pair of UTP cable tion requirements. Fully integrated twisted-pair termination Supports various interface resistors options for connectivity to Trace-matched output impedance external devices, making it the perfect solution for in-car applications such as camera modules and RSE displays. Switch/MAC PHY BR-100 RXD 3:0 TRD 0 + BCM89810 MII or RGMII Magnetics TXD 3:0 Automotive Industrial Automation Broadband Access Supported Best Choice BCM89810 System DiagramTXD 3:0 Symbol TX EN TX Encoder GTXCLK TRD0+ DAC TRD0 Echo Baseline Canceler Wander Correction RXD 3:0 Symbol DEF/Trellis PGA Equalizer Encoder/ RX DV ADC Decoder Aligner RXC Timing & Phase LED1 XTALI Recovery Clock LED2 LED Generator XTALO Drivers LED3 LED4 BIAS RDAC Generator MII MDC MII Mgmt Registers Control MDIO BCM89810 Block Diagram The BCM89810 is based on Broadcom s with industry-standard Ethernet media The BCM89810 delivers the most com- proven digital-signal processor technol- access controllers (MACs) and switch con- prehensive automotive technology solu- ogy, combining digital adaptive equaliz- trollers. tion required by OEM and Tier 1 ers, ADCs, phase-locked loops, line suppliers, meeting or exceeding CISPR 25 The device detects and corrects polarity drivers, encoders, decoders, echo cancel- component-level, ISO 11452-5 Stripline, automatically. BroadR-Reach technology ers, and all other required support cir- ISO 11452-4, IEC 61000-4-2, AEC-Q100, enables the BCM89810 to auto-negotiate cuitry. The BCM89810 is designed to be and Grade 1 temperature range. and link up with BroadR-Reach compliant fully compliant with RGMII and MII inter- link partners. face specifications, allowing compatibility Ordering Information Part Number 48-pin MLP (RoHS-compliant package) BCM89810A1AMLG About Broadcom Broadcom Corporation is a major technology These solutions support our core mission: A FORTUNE 500 company, Broadcom is innovator and global leader in Connecting everything. headquartered in Irvine, Calif., and has offices semiconductors for wired and wireless and research facilities in North America, Asia Broadcom, one of the world s largest fabless communications. Broadcom products and Europe. Broadcom may be contacted at communications semiconductor companies, enable the delivery of voice, video, data and +1.949.926.5000 or at www.broadcom.com. with 2010 revenue of 6.82 billion, holds multimedia to and throughout the home, the more than 4,800 U.S. and 2,000 foreign office and the mobile environment. We patents, and has more than 7,800 additional provide the industry s broadest portfolio of pending patent applications, and one of the state-of-the-art system-on-a-chip and broadest intellectual property portfolios software solutions to manufacturers of addressing both wired and wireless computing and networking equipment, transmission of voice, video, data and digital entertainment and broadband access multimedia. products, and mobile devices. Broadcom, the pulse logo, Connecting everything, the Connecting everything logo, and BroadR-Reach 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. October 6, 2011 89810-PB00-R