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AM79C940 - Media Access Controller for Ethernet (MACE)

Download the AM79C940 datasheet PDF. This datasheet also covers the AM7 variant, as both devices belong to the same media access controller for ethernet (mace) family and are provided as variant models within a single manufacturer datasheet.

General Description

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.

Key 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 slave access to all on board configuration/status registers and transmit/ receive FlFOs Direct FIFO read/write access for simple interface to DMA controllers or l/O processors s s s s s Advanced Micro.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AM7-9C9.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number AM79C940
Manufacturer Advanced Micro Devices
File Size 914.99 KB
Description Media Access Controller for Ethernet (MACE)
Datasheet download datasheet AM79C940 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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.