AM79C972

Am79C972 PCnet™-FAST+ Enhanced 10/100 Mbps PCI Ethernet Controller with OnNow Support DISTINCTIVE CHARACTERISTICS n Integrated Fast Ethernet controller for the Peripheral Component Interconnect (PCI) 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 3.3-V and 5.0-V signaling environments — Plug and Play compatible — Supports an unlimited PCI burst length — Big endian and little endian byte alignments supported — Implements optional PCI power management event (PME) pin n Supports PC97, PC98, and Net PC requirements — Implements full OnNow features including pattern matching and link status wake-up — Implements Magic Packet mode — Magic Packet mode and the physical address loaded from EEPROM at power up without requiring PCI clock — Supports PCI Bus Power Management Interface Specification Version 1.0 — Supports Advanced Configuration and Power Interface (ACPI) Specification Version 1.0 — Supports Network Device Class Power Management Specification Version 1.0 n Large independent internal TX and RX FIFOs — Programmable FIFO watermarks for both transmit...