National Semiconductor DP83934CVUL-20/25 MHz SONIC TM -T Systems-Oriented Network Interface Controller with Twisted Pair Interface handbook

About this manual

The SONIC-T (Systems-Oriented Network Interface Controller with Twisted Pair) is a second-generation Ethernet controller designed for high-speed 32- and 16-bit systems. It integrates a fully-compatible IEEE 802.3 Encoder/Decoder (ENDEC) and a Twisted Pair Interface, providing a one-chip solution for 10BASE-T applications.

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 the SONIC-T controller?

It is a second-generation Ethernet Controller designed to meet the demands of today's high-speed 32- and 16-bit systems.

Does the device support external ENDEC units?

Yes, tying the EXT pin to V CC disables the internal ENDEC and allows an external ENDEC to be used.

What package type is fabricated for this device?

The device is fabricated in a 160 PQFP package.