AM79C976 Overview
PRELIMINARY Am79C976 PCnet-PRO™ 10/100 Mbps PCI Ethernet Controller DISTINCTIVE CHARACTERISTICS s Integrated Fast Ethernet controller for the Peripheral ponent Interconnect (PCI) bus 32-bit glueless PCI host interface Supports PCI clock frequency from DC to.
AM79C976 Key Features
- Recognizes and transmits IEEE 802.3x MAC flow control frames
- Asserts collision-based back pressure in half-duplex mode s Provides internal Management Information Base (MIB) counters
- 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 1.1
- Supports Advanced Configuration and Power Interface (ACPI) Specification Version 1.0
- Supports Network Device Class Power Management Specification Version 1.0 s Large independent external TX and RX FIFOs
- Supports up to 4 megabytes (Mbytes) external SSRAM for RX and TX frame storage
- Programmable FIFO watermarks for both transmit and receive operations