This document introduces the features of DP83849ID PHYTER® DUAL Industrial Temperature with Fiber Support (FX) Dual Port 10/100 Mb/s Ethernet Physical Layer Transceiver.
The DP83849ID is a dual‑port 10/100 Mb/s Ethernet PHY designed for industrial applications. It supports both MII and RMII interfaces, copper and fiber media, and includes advanced diagnostics such as TDR‑based cable testing and continuous link‑quality monitoring.
The manual covers functional block diagrams, pin assignments, register definitions, electrical specifications, and design guidelines. It also details reset procedures, power‑down modes, and provides detailed tables for configuration, auto‑negotiation, LED control, and diagnostic registers.
| Power consumption | <600 mW typical |
|---|---|
| Package | 80‑pin TQFP (12 mm × 12 mm) |
| Operating voltage | 3.3 V MAC Interface |
| Supported speeds | 10/100 Mb/s |
| Temperature range | Industrial temperature |
The DP83849ID provides two fully independent 10/100 Mb/s Ethernet ports.
The device supports both copper and fiber media.
The DP83849ID supports both MII and RMII interfaces.