LAN9255
2/3-Port EtherCAT® Device Controller with Integrated PHYs
& SAM E53J 32-bit ARM® Cortex®-M4F MCU
• Microchip LAN9253 2/3-Port EtherCAT Device
Highlights
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Integrated 100Mbps Ethernet transceivers
• 2/3-port EtherCAT® device controller with 8 Fieldbus
Memory Management Units (FMMUs) and
8 SyncManagers
• Integrated ARM Cortex-M4F MCU with
1 Msps 12-bit ADC, SQSPI, USB LS/FS Host and
Device, Ethernet MAC, and PTC
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Compliant with IEEE 802.3/802.3u (Fast Ethernet)
Signal Quality Index diagnostics
Loop-back modes
Automatic polarity detection and correction
HP Auto-MDIX
Compatible with EtherCAT P
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EtherCAT device controller
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Supports 8 FMMUs
• Integrated EtherCAT PHYs with HP Auto-MDIX
• EtherCAT cable diagnostic support
Supports 8 SyncManagers
Distributed clock support allows synchronization with
other EtherCAT devices
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8K bytes of DPRAM
Host Bus Interface
Target Applications
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SPI / SQI (Quad SPI) support at up to 60MHz
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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
Wakeup indicator event signal
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Power and I/O
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Integrated power-on reset circuit
Latch-up performance exceeds 150mA
per EIA/JESD78, Class II
Key Benefits
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JEDEC Class 3A ESD performance
Single 3.3V power supply (integrated 1.2V regulator)
Option for external power supplies
Local host allowed to enter sleep mode until addressed
by EtherCAT Host
• Microchip SAM E53J ARM Cortex-M4F
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Memories
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1 MB/512 KB/256 KB in-system programmable flash
256 KB /192 KB/128 KB SRAM main memory
Additional Features
System
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EEPROM emulation
Enhanced EtherCAT cycle time
Transformer-less link support
Multifunction GPIOs
Ability to use low cost 25MHz crystal for reduced BOM
25MHz clock output for reference clock daisy chaining
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Power-on Reset (POR) and Brown-out detection
Internal and external clock options
Power Supply
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Idle, Standby, Hibernate, Backup, and Off sleep modes
SleepWalking peripherals
Embedded Buck/LDO regulator
• Packaging
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Peripherals
Pb-free RoHS compliant 128-pin TQFP
(14mm x 14mm, 0.4mm pitch)
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32-channel Direct Memory Access Controller (DMAC)
SD/MMC Host Controller (SDHC)
Quad I/O Serial Peripheral Interface (QSPI)
10/100 Ethernet MAC with 1588 PTP/TSU
Full-Speed USB 2.0 interface
32-channel Event System
Dual 1 MSPS 12-bit ADCs and DACs
Peripheral Touch Controller (PTC)
• Environmental
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Commercial (0C to +70C)
Industrial (-40C to +85C)
Extended industrial (-40C to +105C)
2020-2021 Microchip Technology Inc.
DS00003646B-page 1
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