AM79C940, AM7 Datasheet - Advanced Micro Devices

AM79C940 - Media Access Controller for Ethernet (MACE)

The Media Access Controller for Ethernet (MACE) chip is a CMOS VLSI device designed to provide flexibility in customized LAN design. The MACE device is specifically designed to address applications where multiple I/O peripherals are present, and a centralized or system specific DMA is required. The .

FINAL Am79C940 Media Access Controller for Ethernet (MACETM) DISTINCTIVE CHARACTERISTICS s s s s Integrated Controller with 10BASE-T transceiver and AUI port Supports IEEE 802.3/ANSI 8802-3 and Ethernet standards 84-pin PLCC and 100-pin PQFP Packages 80-pin Thin Quad Flat Pack (TQFP) package available for space critical applications such as PCMCIA Modular architecture allows easy tuning to specific applications High speed, 16-bit synchronous host system interface with 2 or 3 cycles/transfer Ind.

AM79C940 Features

* Automatic retransmission with no FIFO reload

* Automatic receive stripping and transmit padding (individually programmable)

* Automatic runt packet rejection

* Automatic deletion of collision frames

* Automatic retransmission with no FIFO reload s Direct sl

AM7-9C9.pdf