LAN83C183 is a 10/100 Mbps TX/FX/10BT Fast Ethernet Physical Layer Device (PHY) with the following features: Single-Chip 100BASE-TX/FX/10BASE-T Fast Ethernet Physical Layer Solution, Dual-Speed - 10/100 Mbits/sec, Half-Duplex And Full-Duplex Support, MII Interface to Ethernet Controller, MI Interface for Configuration and Status, Optional Repeater Interface, AutoNegotiation: 10/100, Full/Half-Duplex, Meets All Applicable IEEE 802.3 Standards, On-Chip Wave Shaping - No External Filters Required, Adaptive Equalizer, Baseline Wander Correction, Interface to External 100BASE-T4 PHY, LED Outputs – Link – Activity – Collision – Full Duplex – 10/100 – User-Programmable, Many User Features and Options, Few External Components, 3.3V Supply with 5V-Tolerant I/O, 64-Pin TQFP Package (1.4-mm Body Thickness)
The SMSC LAN83C183 is a highly integrated Fast Ethernet PHY supporting 10/100 Mbps operation, dual‑speed, half‑ and full‑duplex, and auto‑negotiation. It features a 64‑pin TQFP package, 3.3 V supply with 5 V‑tolerant I/O, and MII interface to an Ethernet controller.
The document provides functional description, signal definitions, register maps, management interface details, electrical specifications, pinout and mechanical drawings, and ordering information for the device.
| Supply Voltage | 3.3 V ±5 % (5 V‑tolerant I/O) |
|---|---|
| Package | 64‑Pin TQFP |
| Data Rate | 10/100 Mbps (Dual‑Speed) |
| Interface | MII to Ethernet controller |
| LED Outputs | Link, Activity, Collision, Full‑Duplex, 10/100, User‑Programmable |
The device operates from a single 3.3 V supply and its I/O pins are 5 V‑tolerant.
It is offered in a 64‑pin TQFP package.
Yes, it includes auto‑negotiation for 10/100 Mbps and full/half‑duplex operation.
The device uses an MI serial port (Management Interface) accessed via MDIO.