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KS8993M Datasheet(PDF) 2 Page - Micrel Semiconductor

Part No. KS8993M
Description  Integrated 3-Port 10/100 Managed Integrated 3-Port 10/100 Managed
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Maker  MICREL [Micrel Semiconductor]
Homepage  http://www.micrel.com
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KS8993M Datasheet(HTML) 2 Page - Micrel Semiconductor

 
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Micrel, Inc.
KS8993M/ML/MI
April 2005
2
M9999-041205
Features
• Proven Integrated 3-Port 10/100 Ethernet Switch
– 2nd generation switch with three MACs and two
PHYs fully compliant to IEEE 802.3u standard
– Non-blocking switch fabric assures fast packet
delivery by utilizing a 1K MAC address lookup table
and a store-and-forward architecture
– Full duplex IEEE 802.3x flow control (pause) with
force mode option
– Half-duplex back pressure flow control
– Automatic MDI/MDI-X crossover with disable and
enable option
– 100BASE-FX support on port 1
– MII interface supports both MAC mode and PHY
mode
– 7-wire serial network interface (SNI) support for
legacy MAC
– Comprehensive LED Indicator support for link,
activity, full/half duplex and 10/100 speed
• Comprehensive Configuration Register Access
– Serial management interface (SMI) to all internal
registers
– MII management (MIIM) interface to PHY registers
– SPI and I
2C Interface to all internal registers
– I/0 Pins strapping and EEPROM to program
selective registers in unmanaged switch mode
– Control registers configurable on the fly (port-
priority, 802.1p/d/q, AN…)
• QoS/CoS Packet Prioritization Support
– Per port, 802.1p and DiffServ-based
– Re-mapping of 802.1p priority field per port basis
• Advanced Switch Features
– IEEE 802.1q VLAN support for up to 16 groups
(full-range of VLAN ID)
– VLAN ID tag/untag options, per port basis
– IEEE 802.1p/q tag insertion or removal on a per
port basis (egress)
– Programmable rate limiting from 0Mbps to
100Mbps at the ingress and egress port, rate options
for high and low priority per port basis
– Broadcast storm protection with % control (global
and per port basis)
– IEEE 802.1d spanning tree protocol support
– Upstream special tagging mode to inform the
processor which ingress port receives the packet
– IGMP v1/v2 snooping support for multicast packet
filtering
– Double-tagging support
• Switch Management Features
– Port mirroring/monitoring/sniffing: ingress and/or
egress traffic to any port or MII
– MIB counters for fully compliant statistics
gathering, 34 MIB counters per port
– Loopback modes for remote diagnostic of failure
• Low Power Dissipation: <0.8 Watts (includes PHY
transmit drivers)
– Full-chip hardware power-down (register
configuration not saved)
– Per port based software power-save on PHY (idle
link detection, register configuration preserved)
– 0.18um CMOS technology
– Voltages: Core 1.8V
I/O and Transceiver 3.3V
Use K8993ML for 3.3V only operation
• Industrial Temperature Range: –40
oC to +85oC
• Available in128-Pin PQFP
Applications
• Universal Solutions
– Broadband gateway / Firewall / VPN
– Integrated DSL or cable modem multi-port router
– Wireless LAN access point + gateway
– Residential and enterprise VoIP gateway/phone
– Set-top/game box
– Home networking expansion
– Standalone 10/100 switch
– FTTx customer premises equipment
– Fiber broadband gateway
• Upgradeable Solutions
(1)
– Unmanaged switch with future option to migrate to
a managed solution
– Single PHY alternative with future expansion
option for two ports
• Industrial Solutions
– Applications requiring port redundancy and port
monitoring
– Sensor devices in redundant ring topology
Note:
1. The cost and time of PCB re-spin.


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