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  Microchip Technology Semiconductor Electronic Components Datasheet  

LAN9353 Datasheet

3-Port 10/100 Managed Ethernet Switch

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LAN9353
3-Port 10/100 Managed Ethernet Switch with
Single MII/RMII/Turbo MII or Dual RMII
Highlights
• High performance 3-port switch with VLAN, QoS
packet prioritization, rate limiting, IGMP monitoring
and management functions
• Interfaces at up to 200Mbps via Turbo MII
• Integrated Ethernet PHYs with HP Auto-MDIX
• Compliant with Energy Efficient Ethernet 802.3az
• Wake on LAN (WoL) support
• Integrated IEEE 1588v2 hardware time stamp unit
• Cable diagnostic support
• 1.8V to 3.3V variable voltage I/O
• Integrated 1.2V regulator for single 3.3V operation
Target Applications
• Cable, satellite, and IP set-top boxes
• Digital televisions & video recorders
• VoIP/Video phone systems, home gateways
• Test/Measurement equipment, industrial automation
Key Benefits
• Ethernet Switch Fabric
- 32K buffer RAM, 512 entry forwarding table
- Port based IEEE 802.1Q VLAN support (16 groups)
- Programmable IEEE 802.1Q tag insertion/removal
- IEEE 802.1D spanning tree protocol support
- 4 separate transmit queues available per port
- Fixed or weighted egress priority servicing
- QoS/CoS Packet prioritization
- Input priority determined by VLAN tag, DA lookup, TOS,
DIFFSERV or port default value
- Programmable Traffic Class map based on input priority
on per port basis
- Remapping of 802.1Q priority field on per port basis
- Programmable rate limiting at the ingress with coloring
and random early discard, per port / priority
- Programmable rate limiting at the egress with leaky
bucket algorithm, per port / priority
- IGMP v1/v2/v3 monitoring for Multicast packet filtering
- Programmable broadcast storm protection with global %
control and enable per port
- Programmable buffer usage limits
- Dynamic queues on internal memory
- Programmable filter by MAC address
• Switch Management
- Port mirroring/monitoring/sniffing: ingress and/or egress
traffic on any port or port pair
- Fully compliant statistics (MIB) gathering counters
• Ports
- Port 0: MII MAC, MII PHY, RMII PHY, RMII MAC modes
- Port 1: Internal PHY, RMII MAC, RMII PHY modes
- Port 2: Internal PHY
- 2 internal 10/100 PHYs with HP Auto-MDIX
support
- 200Mbps Turbo MII (PHY or MAC mode)
- Fully compliant with IEEE 802.3 standards
- 10BASE-T and 100BASE-TX support
- 100BASE-FX support via external fiber transceiver
- Full and half duplex support, full duplex flow control
- Backpressure (forced collision) half duplex flow control
- Automatic flow control based on programmable levels
- Automatic 32-bit CRC generation and checking
- Programmable interframe gap, flow control pause value
- Auto-negotiation, polarity correction & MDI/MDI-X
• IEEE 1588v2 hardware time stamp unit
- Global 64-bit tunable clock
- Boundary clock: master / slave, one-step / two-step,
end-to-end / peer-to-peer delay
- Transparent Clock with Ordinary Clock:
master / slave, one-step / two-step, end-to-end / peer-
to-peer delay
- Fully programmable timestamp on TX or RX,
timestamp on GPIO
- 64-bit timer comparator event generation (GPIO or IRQ)
• 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 TQFP-
EP
• Available in commercial and industrial temp. ranges
2015 Microchip Technology Inc.
DS00001925A-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

LAN9353 Datasheet

3-Port 10/100 Managed Ethernet Switch

No Preview Available !

LAN9353
TO OUR VALUED CUSTOMERS
It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip
products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and
enhanced as new volumes and updates are introduced.
If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via
E-mail at docerrors@microchip.com. We welcome your feedback.
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http://www.microchip.com
You can determine the version of a data sheet by examining its literature number found on the bottom outside corner of any page.
The last character of the literature number is the version number, (e.g., DS30000000A is version A of document DS30000000).
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DS00001925A-page 2
2015 Microchip Technology Inc.


Part Number LAN9353
Description 3-Port 10/100 Managed Ethernet Switch
Maker Microchip
Total Page 30 Pages
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