KSZ8841

www.micrel.com PMQL/PMQLI Product Brief KSZ8841 Ethernet MAC Controller with PCI Interface Description The KSZ8841P is a single chip Fast Ethernet MAC controller with a 32 bit/33MHz PCI processor interface. The KSZ8841P is fully compliant with the IEEE 802.3u standard. It will also be available in an Industrial Temperature part, the KSZ8841-PMQLI from Q1 2006. Physical signal transmission and reception are enhanced through the use of analog circuitry that makes the design more efficient and allows for lower power consumption and smaller chip die size. The KSZ8841P is designed with a low-power CMOS design and a high-performance process that uses a single 3.3V power supply with 5V tolerant I/O. The KSZ8841P is a mixed signal analog/digital device offering wake-on-LAN technology. Its extensive feature set includes management information base (MIB) counters and CPU control/data interfaces to effectively address both current and emerging Fast Ethernet applications. Benefits • Single chip Ethernet controller with IEEE 802.3u support • 32 bit/33MHz PCI bus for different host processor interfaces • Early TX/RX mode support, to allow for “cut thru” in Potency Critical Industrial Ethernet or Embedded Ethernet Application • Dynamic buffer memory scheme – Essential for applications such as Video over IP where image jitter is unacceptable • Micrel LinkMDTM cable diagnostic capabilities to determine cable length and distance to fault, and to diagnose faulty cables • Wake-on-LAN technology • HP Auto MDIX crossover with disable and enable option • Enhanced power management feature with powerdown feature • Industrial Temperature support: –40oC to +85oC Block Diagram PHY Core Ethernet MAC Internal IEEE 802.3 MII MD I To transform or fiber optic module To Host Syste m 32b/33MHz PCI Interface TX/RX Buffer (8K) Serial EEPROM LinkMD is a trademark of Micrel, Inc. Magic Packet is a trademark of Advanced Micro Devices, Inc. Micrel Semiconductor TEL: 1.408.944.0800 FAX: 1.408.474.1000 HTTP:// www.micrel.com Features • Supports 10/100BASE-T/TX/FX • Supports IEEE 802.3x full-duplex flow control and half-duplex backpressure collision flow control • Fully compliant to the IEEE 802.3u standard • Supports burst data transfers • 8KB internal memory for RX/TX FIFO buffers • Early TX/RX functions to minimize latency through the device • Single 25MHz reference clock for both PHY + MAC Applications • Consumer Applications: – Set-Top Box • Fax • TV • Digital TV • Video over IP • Industrial Control Sensor Devices: – Temperature • Pressure • Level • Valves • Security and Surveillance Devices Markets Network Features • Fully integrated IEEE 802.3u – 10BASE-T and 100BASE-TX/FX support • Supports IEEE 802.1q multiple VLAN tagging • Auto-negotiation: 10/100Mbps full and half duplex • On-chip wave shaping – No external filters required • Adaptive equalizer • Baseline wander correction Fast Ethernet Embedded Ethernet Industrial Ethernet For additional information, contact your local Micrel Field Application Engineer or salesperson. Power Modes, Packaging, and Power Supplies • Single 3.3Vpower supply with 5V tolerant I/O buffers • Enhanced power management feature with power down feature to ensure low power dissipation during device idle periods • Wake-on-LAN functionality – Incorporates Magic Packet™, network link state, and wake-up frame technology • Comprehensive LED indicator support for link, activity, full/half duplex, and 10/100 speed (3 LEDs) • Low-power CMOS design • Commercial Temperature Range: 0oC to +70oC • Industrial Temperature Range: –40oC to +85oC (KSZ8841-PMQLI ordering code) • Available in 128-pin PQFP Contact Micrel Semiconductor Location Corporate HQ Western USA Central USA Eastern USA Latin America China Japan Korea New Zealand Singapore Taiwan UK/EMEIA France/Southern Europe Sweden/Nordic Address 2180 Fortune Drive 2180 Fortune Drive 2425 N. Central Express Way, Suite 351 93 Branch Street 2425 N. Central Express Way, Suite 351 Rm 601, Bldg B, Int’l Chamber of Commerce Mansion, Fuhua Rd 1 Futian Dist Queens Tower 14F, 2-3-1, Minatomirai, Nishi-ku, Yokohama-shi 8F, AnnJay Tower Bldg, 718-2, Yeoksam-dong, Kangnam-ku Office 2, CML Bldg, 2 Perry Street 300 Beach Road, #10-07 The Concourse 4F, No. 18 Lane 321, Yang-Guang Street, Nei-Hu Chu 1st Floor, 3 Lockside Place, Mill Lane, Newbury, Berks 10 Avenue du Quebec, Villebon - B.P. 116, 91944 Courtaboeuf Cedex Lundagatan 11 6tr, SE-171 63 Solna San Jose, CA 95131 USA San Jose, CA 95131 USA Richardson, TX 75080 USA Medford, NJ 08055 USA Richardson, TX 75080 USA Shenzhen, P.R. China 518048 Kanagawa 220-8543, Japan Seoul 135-080, Korea Masterton, New Zealand Singapore 199555 Taipei 11475 Taiwan, R.O.C United Kingdom RG14 5QS France Sweden Telephone +1 408 944 0800 +1 408 944 0800 +1 972 393 2533 +1 609 654 0078 +1 972 393 2533 +86 755 8302 7618 +81 45 224 6616 +82 2 538 2380 +64 6 378 9799 +65 6291 1318 +866 2 8751 0600 +44 1635 524455 +33 1 60 92 4190 +46 8 470 5950 Fax +1 408 944 0970 +1 408 944 0970 +1 408 474 1210 +1 609 654 0989 +1 408 474 1210 +86 755 8302 7637 +81 45 224 6716 +82 2 538 2381 +64 6 378 9599 +65 6291 1332 +866 2 8751 0746 +44 1635 524466 +33 1 60 92 4189 +46 8 470 5950 Micrel Semiconductor TEL: 1.408.944.0800 FAX: 1.408.474.1000 HTTP:// www.micrel.com Rev. 1.4 Rev. 1.3 Stock Code: Mxxxx-xxxxxx