KSZ8873MML

KSZ8873MLL/KSZ8873MML KSZ8873RLL/KSZ8873FLL Product Brief Integrated 10/100BASE-T/TX/FX 3-Port Switch Description The KSZ8873MLL, KSZ8873RLL, KSZ8873FLL, and KSZ8873MML are highly integrated 3-port switch on a chip ICs in industry’s smallest footprint. They are designed to enable a new generation of low port count, cost-sensitive and power efficient 10/100Mbps switch systems. Low power consumption, advanced power management and sophisticated QoS features (e.g., IPv6 priority classification support) make these devices ideal for IPTV, IP-STB, VoIP, automotive and industrial applications. The KSZ8873 family is designed to support the GREEN requirement in today’s switch systems. Advanced power management schemes include hardware power down, software power down, and the energy detect mode that shuts downs the transceiver when a port is idle. KSZ8873MLL, KSZ8873RLL, and KSZ8873FLL also offer the by-pass mode, which enables system-level power savings. In this mode, the processor connected to the switch through the MII interface can be shut down without impacting the normal switch operation. The configurations provided by the KSZ8873 family enable the flexibility to meet requirements of different applications: • • • • KSZ8873MLL: Two 10/100BASE-T/TX transceivers and one MII interface. KSZ8873MML: One 10/100BASE-T/TX transceiver and two MII interfaces. KSZ8873RLL: Two 10/100BASE-T/TX transceivers and one RMII interface. KSZ8873FLL: Two 10/100BASE-FX transceivers and one MII interface. The devices are available in RoHS-compliant 64-pin LQFP package. Industrial grade is also available. The datasheets and supporting documents can be found at Micrel’s web site at: www.micrel.com. ___________________________________________________________________________________________________________ Block Diagram Micrel, Inc. TEL: +1 408.944.0800 FAX: + 1 408.474.1000 http://www.micrel.com Features 2KByte packet size support Benefits Facilitates large package size requirement in new Ethernet applications. Ethernet traffic between Port 1 and Port 2 are sustained while the MII interface (Port 3) is shut down. This allows the device connected to the MII interface to enter a power saving mode. Enables the implementation of advanced QoS policies. Port 1 & Port 2 by-pass mode 4-queue (per port) traffic prioritization, based on port, 802.1p, 802.1Q VLAN tags, or Differential Services (both Ipv4 and Ipv6 priority classification) Source address filtering Internal generated RMII 50MHz clock (KSZ8873RLL) ® Enables the implementation of Ethernet ring network for industrial control and automotive applications. Eliminates expensive external 50MHz oscillator for the RMII mode. Allows identification of common cabling problems, including those not addressed by IEEE. Simplifies network deployment and reduces network downtime. LinkMD TDR-based cable diagnostics Applications • IP Set-Top Box • IP Television/IP Television POF • IP phone/Video phone • Analog Telephone Adapter (ATA) • • • Automotive Infotainment Industrial control FTTx CPE Corporate Sales Offices Location Corporate HQ Western USA Central USA Eastern USA Latin America China Japan Korea Singapore/India Taiwan France/Southern Europe UK/EMEA Sweden/Nordic Address 2180 Fortune Dr. 2180 Fortune Dr. 2425 N. Central Expressway, Suite 351 93 Branch St. 2425 N. Central Expressway, Suite 351 Rm 601, Bldg., Int’l Chamber of Commerce Mansion, Fuhua Rd., Futian District Queen’s Tower A 14F, 2-3-1, Minato Mirai, NishiKu, Yokohama-Shi 8F AnnJay Tower Bldg., 718-2, Yeoksam-Dong 300 Beach Rd., #10-07 Concourse 4F, No. 43 Lane 188, Rueiguang Rd., Neihu District Les Laurentides Immeuble Ontario, 3 avenue du Quebec 1st Floor, 3 Lockside Place, Mill Lane, Newbury, Berks Lundagatan 11 6tr San Jose, CA 95131 USA San Jose, CA 95131 USA Richardson, TX 57080 USA Medford, NJ 08055 USA Richardson, TX 57080 USA Shenzhen, P.R. China Kanagawa 220-6014, Japan Kangnam-Ku, Seoul 135-080 Korea Singapore 199555 Taipei, Taiwan, R.O.C. 91140 Villebon sur Yvette, France United Kingdom RG14 5QS SE-171 63 Solna Sweden Telephone (408) 944-0800 (408) 944-0800 (972) 393-2533 (609) 654-0078 (972) 393-2533 +86-755-8302-7618 +81-45-224-6616 82 (2) 538-2380 +65-6291-1318 +866 (2) 8751-0600 +33 (0) 1.6092.4190 +44 (1635) 524455` +46 (8) 470-5950 Fax (408) 474-1000 (408) 474-1000 (408) 474-1210 (609) 654-0989 (408) 474-1210 +86-755-8302-7637 +81-45-224-6716 82 (2) 538-2381 +65-6291-1332 +866 (2) 8751-0746 +33 (0) 1.6092.4189 +44 (1635) 524466 +46 (8) 470-5950 Micrel, Inc. TEL: +1 408.944.0800 FAX: + 1 408.474.1000 http://www.micrel.com M9999-042109