National Semiconductor DP83848K Ethernet PHY Datasheet

The DP83848K PHYTER® Mini LS is an industrial temperature single port 10/100 Ethernet transceiver. It features low-power 3.3V, 0.18µm CMOS technology, auto-MDIX for 10/100 Mb/s, energy detection mode, RMII and MII interfaces, IEEE 802.3u auto-negotiation and parallel detection, etc.


National Semiconductor DP83848K Ethernet PHY Datasheet - cover page
Brand
National Semiconductor
Category
Other
Document type
Datasheet
Language
English
Pages
78
File format
PDF
File size
1.2 MB
Published
04 May, 2012
Updated
29 September, 2023
MD5 checksum
6EC445BAB97A80054A4F41607DBA08A4

About this manual

The DP83848K PHYTER® Mini LS is a single‑port 10/100 Mbps Ethernet transceiver designed for space‑sensitive industrial applications. It offers superior performance beyond 137 m of Cat‑V cable, Auto‑MDIX, and robust ESD protection greater than 4 kV HBM.

The device is supplied in a compact 6 mm × 6 mm LLP 40‑pin package, supports both MII and RMII interfaces, and provides two configurable LEDs for link and speed status. Detailed pin descriptions, register maps, and timing specifications are included for hardware and software integration.

What's inside

  • General Description
  • Features
  • Pin Descriptions
  • Configuration
  • Functional Description
  • Architecture
  • Design Guidelines
  • Reset Operation
  • Register Block
  • Electrical Specifications

Specifications

Package6 mm × 6 mm LLP 40‑pin
Supply VoltageLow‑power 3.3 V CMOS
ESD Protection> 4 kV Human Body Model
Auto‑MDIXSupported for 10/100 Mb/s
LED IndicatorsTwo LEDs (Link and Speed)

Frequently asked questions

What package does the DP83848K use?

It uses a 6 mm × 6 mm LLP 40‑pin package.

What is the ESD protection rating of the DP83848K?

The device provides ESD protection greater than 4 kV Human Body Model.

Does the DP83848K support Auto‑MDIX?

Yes, it supports Auto‑MDIX for 10/100 Mb/s operation.

How many LED indicators are available on the DP83848K?

Two LEDs are provided: one indicates link status and the other indicates speed.

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