Microchip KSZ8993M

Встроенный коммутатор 10/100Коммутатор портов/сетевой интерфейс128-BFQFP

Overview

General Description The KSZ8993M, a highly integrated Layer 2 managed switch, is designed for low port count, cost-sensitive 10/100 Mbps switch systems. It offers an extensive feature set that includes tag/port-based VLAN, quality of service (QoS) priority, management, management information base (MIB) counters, MII/SNI, and CPU control/data interfaces to effectively address both current and emerging Fast Ethernet applications. The KSZ8993M contains two 10/100 transceivers with patented mixed-signal low-power technology, three media access control (MAC) units, a highspeed non-blocking switch fabric, a dedicated address lookup engine, and an on-chip frame buffer memory. Both PHY units support 10BASE-T and 100BASETX. In addition, one of the PHY unit supports 100BASE-FX. The KSZ8993ML is the single supply version with all the identical rich features of the KSZ8993M.  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 I2 C 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 (portpriority, 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 • 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 

Features

Applications

• Industrial Instruments
• PC-Based Instruments
• Portable Instruments
• Membrane Keypads
• Authentication of Medical Sensors and Tools
• Secure Management of Limited Use Consumables
• IoT Node Authentication
• Peripheral Authentication
• Reference Design License Management
• Printer Cartridge Identification and Authentication