AM79C971

Am79C971 PCnet™-FAST Single-Chip Full-Duplex 10/100 Mbps Ethernet Controller for PCI Local Bus DISTINCTIVE CHARACTERISTICS s Single-chip Fast Ethernet controller for the Peripheral Component Interconnect (PCI) local bus — 32-bit glueless PCI host interface — Supports PCI clock frequency from DC to 33 MHz independent of network clock — Supports network operation with PCI clock from 15 MHz to 33 MHz — High performance bus mastering architecture with integrated Direct Memory Access (DMA) Buffer Management Unit for low CPU and bus utilization — PCI specification revision 2.1 compliant — Supports PCI Subsystem/Subvendor ID/ Vendor ID programming through the EEPROM interface — Supports both PCI 5.0-V and 3.3-V signaling environments — Plug and Play compatible — Supports an unlimited PCI burst length — Big endian and little endian byte alignments supported s Integrated 10BASE-T and 10BASE-2/5 (AUI) Physical Layer Interface — Single-chip IEEE/ANSI 802.3, IEC/ISO 8802-3 and Blue Book Ethernet-compliant solution — Automatic Twisted-Pair receive polarity detection and correction — Internal 10BASE-T transceiver with Smart Squelch to Twisted-Pair medium — IEEE 802.3-compliant auto-negotiable 10BASE-T interface s Supports General Purpose Serial Interface (GPSI) s Media Independent Interface (MII) for connecting external 10- or 100-Megabit per second (Mbps) transceivers — IEEE 802.3-compliant MII — Intelligent Auto-Poll™ external PHY status monitor and interrupt — Includes intelligent on-ch...