National Semiconductor DP83936AVUL-20/25/33 MHz Full Duplex SONIC TM -T Systems-Oriented Network Interface Controller with Twisted Pair Interface handbook

About this manual

This document is a technical datasheet for the SONIC-T (Systems-Oriented Network Interface Controller with Twisted Pair) from National Semiconductor. It describes the features, functional description, pin connections, register details, and other technical information related to the DP83936AVUL-20/25/33 MHz Full Duplex SONIC-T Network Interface Controller.

The datasheet covers system diagrams, connection diagrams for National/Intel and Motorola modes, detailed pin descriptions, functional descriptions of modules like the Twisted Pair Interface and IEEE 802.3 Encoder/Decoder, buffer management schemes, register definitions, bus interface operations, network interfacing specifications, and AC/DC electrical characteristics.

What's inside

• Connection Diagrams
• Pin Description
• Functional Description
• Buffer Management
• Sonic-T Registers
• Bus Interface
• Network Interfacing
• AC and DC Specifications

Frequently asked questions

What is the primary function of this controller?

It is a full duplex Ethernet controller designed for use with twisted pair interfaces.

How long does the transmit LED stay active?

The transmit LED is asserted for approximately 50 ms whenever data is transmitted.