Overview
The DP83849IVS/NOPB is a dual-port 10/100 Mbps Ethernet Physical Layer (PHY) transceiver manufactured by Texas Instruments. This device is designed to provide reliable and feature-rich Ethernet connectivity, particularly suited for industrial and embedded applications. It operates on low-power 3.3-V, 0.18-µm CMOS technology, ensuring efficient power consumption and robust performance.
The DP83849IVS/NOPB features flexible port switching, auto-negotiation, and parallel detection, making it versatile for various network configurations. It supports both MII and RMII interfaces, allowing for optimal flexibility in microprocessor unit (MPU) selection. The device also includes advanced diagnostics tools such as Time Domain Reflectometry (TDR) based cable diagnostics and dynamic link quality monitoring, enhancing network reliability and maintenance.
Key Specifications
| Specification | Value | Unit |
|---|---|---|
| Package Type | 80-TQFP | - |
| Supply Voltage | 3.0 - 3.6 | V |
| Operating Temperature | -40 to 85 | °C |
| Data Rate | 10/100 Mbps | - |
| Interface Type | MII, RMII, SNI | - |
| Power Consumption | < 600 mW | mW |
| Auto-Negotiation | IEEE 802.3u | - |
| Clock Frequency | 25 MHz | Hz |
Key Features
- Low-power 3.3-V, 0.18-µm CMOS technology
- IEEE 802.3u MII and RMII interfaces
- Auto-negotiation and parallel detection
- Flexible port switching and media conversion
- Integrated ANSI X3.263 compliant TP-PMD with adaptive equalization and baseline wander compensation
- TDR based cable diagnostics and dynamic link quality monitoring
- Programmable LED support for link, 10/100 Mb/s operation, activity, duplex, and collision detect
- IEEE 1149.1 JTAG and single register access for complete PHY status
- Optimized latency for real-time Ethernet applications
Applications
- Medical Instrumentation
- Wireless Remote Base Stations
- Factory Automation
- General Embedded Applications
- Motor and Motion Control
The DP83849IVS/NOPB is particularly suited for applications requiring dual-port Ethernet connectivity, such as industrial networking, where redundancy and system management are critical.
Q & A
- What is the DP83849IVS/NOPB?
The DP83849IVS/NOPB is a dual-port 10/100 Mbps Ethernet Physical Layer (PHY) transceiver manufactured by Texas Instruments.
- What is the operating voltage of the DP83849IVS/NOPB?
The operating voltage is 3.0 to 3.6 volts.
- What interfaces does the DP83849IVS/NOPB support?
The device supports MII, RMII, and SNI interfaces.
- What are the key features of the DP83849IVS/NOPB?
Key features include low-power consumption, auto-negotiation, flexible port switching, and advanced diagnostics tools like TDR based cable diagnostics.
- What are the typical applications of the DP83849IVS/NOPB?
Typical applications include medical instrumentation, wireless remote base stations, factory automation, general embedded applications, and motor and motion control.
- How does the DP83849IVS/NOPB handle cable diagnostics?
The device uses Time Domain Reflectometry (TDR) based cable diagnostics for real-time continuous monitoring of link quality.
- What is the package type of the DP83849IVS/NOPB?
The package type is 80-TQFP (12-mm × 12-mm).
- Does the DP83849IVS/NOPB support programmable LEDs?
- What is the power consumption of the DP83849IVS/NOPB?
The typical power consumption is less than 600 mW.
- Is the DP83849IVS/NOPB RoHS compliant?
