LAN9252I/PT

The LAN9252 is a 2/3 -port EtherCAT slave controller with dual integrated Ethernet PHYs which each contain a full - duplex 100BASE - TX transceiver and support 100Mbps (100BASE - TX) operation. The LAN9252 supports HP AutoMDIX, allowing the use of direct connect or cross - over LAN cables. 100BASE - FX is supported via an external fiber transceiver. The LAN9252 includes an EtherCAT slave controller with 4K bytes of Dual Port memory (DPRAM) and 3 Fieldbus Memory Management Units (FMMUs). Each FMMU performs the task of mapping logical addresses to physical addresses. The EtherCAT slave controller also includes 4 SyncManagers to allow the exchange of data between the EtherCAT master and the local application. Each SyncManager's direction and mode of operation is configured by the EtherCAT master. Two modes of operation are available: buffered mode or mailbox mode. In the buffered mode, both the local microcontroller and EtherCAT master can write to the device concurrently. The buffer within the LAN9252 will always contain the latest data.

Applications

• Motor Motion Control
• Process/Factory Automation
• Communication Modules, Interface Cards
• Sensors
• Hydraulic & Pneumatic Valve Systems Operator Interfaces

Key features

• 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
• 1.8V to 3.3V variable voltage I/O
• Integrated 1.2V regulator for single 3.3V operation
• Low pin count and small body size package
• Integrated high - performance 100Mbps Ethernet transceivers - 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 - Supports 3 FMMUs - Supports 4 SyncManagers - Distributed clock support allows synchronization with other EtherCAT devices - 4K bytes of DPRAM
• 8/16 - Bit Host Bus Interface - Indexed register or multiplexed bus - Allows local host to enter sleep mode until addressed by EtherCAT Master - SPI / Quad SPI support
• Digital I/O Mode for optimized system cost
• 3rd port for flexible network configurations
• Comprehensive power management features - 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 - Wakeup indicator event signal
• Power and I/O - Integrated power - on reset circuit - Latch - up performance exceeds 150mA per EIA/JESD78, Class II - JEDEC Class 3A ESD performance - Single 3.3V power supply (integrated 1.2V regulator)
• Additional Features - Multifunction GPIOs - Ability to use low cost 25MHz crystal for reduced BOM
• Packaging - Pb - free RoHS compliant 64 - pin QFN or 64 - pin TQFPEP
• Available in commercial, industrial, and extended industrial temp. ranges