LAN9252
2/3-Port EtherCAT® Slave Controller with
Integrated Ethernet PHYs
Highlights
Key Benefits
• 2/3-port EtherCAT slave controller with 3 Fieldbus
Memory Management Units (FMMUs) and
4 SyncManagers
• Interfaces to most 8/16-bit embedded controllers
and 32-bit embedded controllers with an 8/16-bit
bus
• Integrated Ethernet PHYs with HP Auto-MDIX
• Wake on LAN (WoL) support
• Low power mode allows systems to enter sleep
mode until addressed by the Master
• Cable diagnostic support
• Integrated high-performance 100Mbps Ethernet
transceivers
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Compliant with IEEE 802.3/802.3u (Fast Ethernet)
100BASE-FX support via external fiber transceiver
Loop-back modes
Automatic polarity detection and correction
HP Auto-MDIX
• EtherCAT slave controller
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Supports 3 FMMUs
Supports 4 SyncManagers
Distributed clock support allows synchronization with
other EtherCAT devices
• 1.8V to 3.3V variable voltage I/O
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4K bytes of DPRAM
• Integrated 1.2V regulator for single 3.3V operation
• Low pin count and small body size package
• 8/16-Bit Host Bus Interface
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Indexed register or multiplexed bus
Allows local host to enter sleep mode until addressed by
EtherCAT Master
Target Applications
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SPI / Quad SPI support
• Digital I/O Mode for optimized system cost
• 3rd port for flexible network configurations
• Comprehensive power management features
• Motor Motion Control
• Process/Factory Automation
• Communication Modules, Interface Cards
• Sensors
• Hydraulic & Pneumatic Valve Systems
• Operator Interfaces
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3 power-down levels
Wake on link status change (energy detect)
Magic packet wakeup, Wake on LAN (WoL), wake on
broadcast, wake on perfect DA
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Wakeup indicator event signal
• Power and I/O
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Integrated power-on reset circuit
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Latch-up performance exceeds 150mA
per EIA/JESD78, Class II
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JEDEC Class 3A ESD performance
Single 3.3V power supply
(integrated 1.2V regulator)
• Additional Features
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Multifunction GPIOs
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Ability to use low cost 25MHz crystal for reduced BOM
• Packaging
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Pb-free RoHS compliant 64-pin QFN or 64-pin TQFP-
EP
• Available in commercial, industrial, and extended
industrial* temp. ranges
*Extended temp. (105ºC) is supported only in the 64-QFN with an
external voltage regulator (internal regulator must be disabled) and
2.5V (typ) Ethernet magnetics.
2015 Microchip Technology Inc.
DS00001909A-page 1