AM79C970 Datasheet | Advanced Micro Devices

features : Advanced Micro Devices s s s s s s s s s s - Automatic retransmission with no FIFO reload - Automatic receive stripping and transmit padding (individually programmable) - Automatic runt packet rejection - Automatic deletion of received collision frames Look-Ahead Packet Processing (LAPP) concept allows protocol analysis to begin before end of receive frame Integrated Manchester Encoder/Decoder Provides integrated Attachment Unit Interface (AUI) and 10BASE-T transceiver with automatic port selection Automatic Twisted-Pair receive polarity detection and automatic correction of the receive polarity Optional byte padding to long-word boundary on receive Dynamic transmit FCS generation programmable on a frame-by-frame basis Internal/external loopback capabilities Supports the following types of network interfaces: - AUI to external 10BASE2, 10BASE5,10BASE-T or 10BASE-F MAU - Internal 10BASE-T transceiver with Smart Squelch to Twisted-Pair medium NAND Tree test mode for connectivity testing on printed circuit boards 132-pin PQFP package GENERAL DESCRIPTION The PCnet-PCI single-chip 32-bit Ethernet controller is a highly integrated Ethernet system solution designed to address high-performance system application requirements. It is a flexible bus-mastering device that can be used in any application, including network-ready PCs, printers, fax modems, and bridge/router designs. The bus-master architecture provides high data throughput in the system and low CPU and system bus utilization. The PCnet-PCI controller is fabricated with AMD’s advanced low-power CMOS process to provide low operating and standby current for power sensitive applications. 1-868 The PCnet-PCI controller is a plete Ethernet node integrated into a single VLSI device. It contains a bus interface unit, a DMA buffer management unit, an IEEE...