lan9303 Standard Microsystems Corp., lan9303 Datasheet
lan9303
Manufacturer Part Number
lan9303
Description
Small Form Factor Three Port 10/100 Managed Ethernet Switch With Single Mii/rmii/turbo Mii
Manufacturer
Standard Microsystems Corp.
Datasheet
1.LAN9303.pdf
(366 pages)
Available stocks
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Part Number
Manufacturer
Quantity
Price
Part Number:
lan9303-ABZJ
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Company:
Part Number:
lan9303I-ABZJ
Manufacturer:
Standard
Quantity:
1 955
Company:
Part Number:
lan9303I-ABZJ
Manufacturer:
SMSC10
Quantity:
510
Part Number:
lan9303I-ABZJ
Manufacturer:
SMSC
Quantity:
20 000
PRODUCT FEATURES
Highlights
Target Applications
Key Benefits
SMSC LAN9303/LAN9303i
Up to 200Mbps via Turbo MII Interface
High performance, full featured 3 port switch with
Serial management via I
Unique Virtual PHY feature simplifies software
Cable, satellite, and IP set-top boxes
Digital televisions
Digital video recorders
VoIP/Video phone systems
Home gateways
Test/Measurement equipment
Industrial automation systems
Ethernet Switch Fabric
VLAN, QoS packet prioritization, Rate Limiting, IGMP
monitoring and management functions
development by mimicking the multiple switch ports
as a single port PHY
— 32K buffer RAM
— 512 entry forwarding table
— Port based IEEE 802.1Q VLAN support (16 groups)
— IEEE 802.1D spanning tree protocol support
— 4 separate transmit queues available per port
— Fixed or weighted egress priority servicing
— QoS/CoS Packet prioritization
— IGMP v1/v2/v3 monitoring for Multicast packet filtering
— Programmable broadcast storm protection with global
— Programmable buffer usage limits
— Dynamic queues on internal memory
— Programmable filter by MAC address
% control and enable per port
– Programmable IEEE 802.1Q tag insertion/removal
– Input priority determined by VLAN tag, DA lookup,
– Programmable Traffic Class map based on input
– Remapping of 802.1Q priority field on per port basis
– Programmable rate limiting at the ingress with
– Programmable rate limiting at the egress with leaky
TOS, DIFFSERV or port default value
priority on per port basis
coloring and random early discard, per port / priority
bucket algorithm, per port / priority
2
C or SMI
DATASHEET
Small Form Factor Three
Port 10/100 Managed
Ethernet Switch with Single
MII/RMII/Turbo MII
Switch Management
Ports
Serial Management
Other Features
Single 3.3V power supply
ESD Protection Levels
Latch-up exceeds ±150mA per EIA/JESD 78
56-pin QFN (8x8 mm) Lead-Free RoHS Compliant
Available in Commercial & Industrial Temp. Ranges
— Port mirroring/monitoring/sniffing: ingress and/or egress
— Fully compliant statistics (MIB) gathering counters
— Control registers configurable on-the-fly
— Port 0 - MII MAC, MII PHY, RMII PHY modes
— 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
— 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
— 2K Jumbo packet support
— Programmable interframe gap, flow control pause value
— Full transmit/receive statistics
— Full LED support per port
— Auto-negotiation
— Automatic polarity correction
— Automatic MDI/MDI-X
— Loop-back mode
— I
— MIIM (MDIO) access to PHY related registers
— SMI (extended MIIM) access to all internal registers
— General Purpose Timer
— I
— Programmable GPIOs/LEDs
— ±8kV HBM without External Protection Devices
— ±8kV contact mode (IEC61000-4-2)
— ±15kV air-gap discharge mode (IEC61000-4-2)
Package
LAN9303/LAN9303i
traffic on any port or port pair
2
2
C (slave) access to all internal registers
C Serial EEPROM interface
Revision 1.3 (08-27-09)
Datasheet
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