Broadcom
BCM89610
Automotive Physical Layer
Technology
SINGLE-PORT 10BASE-T/100BASE-TX/1000BASE-T AUTOMOTIVE
GIGABIT ETHERNET TRANSCEIVER
Overview Product Family Features
The BCM89610 is a triple-speed 10/100/ Specific architectural and design enhance-
1000Base-T Gigabit Ethernet (GbE) transceiver ments are utilized to increase design for
integrated into a single monolithic CMOS chip. test, reliability, and quality to surpass AEC-
The device performs all of the physical layer Q100 and EMC requirements.
(PHY) functions for 1000Base-T, 100Base-TX,
Designed to support IEEE 1588 timing
and 10Base-T Ethernet packets over copper
function.
wire, such as FlexRay. The 10Base-T Ethernet
Highlights
Small size footprint support with 48-pin
can also run on standard categories 3, 4 , and 5
MLP package.
Widely deployed triple-speed
UTP. The BCM89610 is designed to exceed
10/100/1000Base-T Gigabit
Automotive cable diagnostics feature can
automotive specifications for noise cancella-
Ethernet (GbE) physical layer
detect pair open/short and distance.
transceiver. tion and transmission jitter, providing consis-
Advanced power savings with tent and reliable operation over the broadest
Green technology.
range of existing cable plants.
Highly optimized for multiple
in-car endpoint applications.
Architectural Features
Enhanced design to meet
Single-chip integrated triple-speed Ether-
stringent automotive produc-
net transceiver. Support for the following
tion requirements.
copper line interfaces:
Supports various interface
options for connectivity to
1000Base-T IEEE 802.3ab
external devices, making it the
100Base-TX IEEE 802.3u
perfect solution for in-car
10Base-T IEEE 802.3
applications such as onboard
diagnostics. Supports Ethernet@Wirespeed(TM)
Fully integrated twisted-pair termination
resistors
Trace-matched output impedance
BCM89610
Switch/MAC
PHY
10/100/1000Base-T
Automotive
TRD[0] +
RXD[3:0]
TRD[1] +
Magnetics/RJ45
Industrial RGMII
TRD[2] +
TXD[3:0]
Automation
TRD[3] +
Broadband
Access
Supported
Best Choice
BCM89610 System DiagramTXD[3:0]
Symbol
TX_EN
TX
Encoder
GTXCLK
DAC
TRD0+
TRD0
XTALK
TRD1+
Echo
Canceler
Baseline
TRD1
Canceler
3X
Wander
TRD2+
Correction
TRD2
TRD3+
RXD[3:0]
TRD3
Symbol
DEF/Trellis
Equalizer Encoder/ RX_DV
PGA
ADC
Decoder
Aligner
RXC
Timing &
Phase
Recovery
Auto-
Negotiation
LED1
LED2
LED
Drivers
XTALI LED3
Clock
LED4
Generator
XTALO
BIAS
RDAC
Generator
MII
MDC
MII
Management
Registers
MDIO
Control
BCM89610 Block Diagram
The BCM89610 is based on Broadcom's with industry-standard Ethernet media ing problems. The device detects and cor-
proven digital-signal processor technol- access controllers (MACs) and switch con- rects polarity automatically.
ogy, combining digital adaptive equaliz- trollers.
The BCM89610 delivers the most com-
ers, ADCs, phase-locked loops, line
Designed for reliable operation over prehensive automotive technology solu-
drivers, encoders, decoders, echo cancel-
worst-case Category 5 cable plants, the tion required by OEM and Tier 1
ers, and all other required support cir-
BCM89610 automatically negotiates with suppliers, meeting or exceeding CISPR 25
cuitry. The BCM89610 is designed to be
its link partner to determine the highest component-level, ISO 11452-5 Stripline,
fully compliant with RGMII and MII inter-
possible operating speed. The device ISO 11452-4, IEC 61000-4-2, AEC-Q100,
face specifications, allowing compatibility
detects and corrects most common wir- and Grade 1 temperature range.
Ordering Information Part Number
48-pin MLP (RoHS-compliant package) BCM89610A2AMLG
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, 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.
October 12, 2011 89610-PB00-R