Product Overview
The DP83849IVS is a dual-port 10/100Mbps Ethernet PHY transceiver from Texas Instruments with MII/RMII interfaces, 100BASE-FX fiber support, and TDR cable diagnostics in TQFP-80.
Key Specifications
| Ports | 2 (fully independent) |
| Speed | 10/100 Mbps per port |
| MAC Interface | MII, RMII, SNI |
| Fiber Support | 100BASE-FX |
| Auto-MDIX | 10/100 Mbps |
| Cable Diagnostics | TDR-based |
| Supply | 3.3V |
| Power | <600mW typical |
| Temp | -40 to 85C (I grade) |
| Package | TQFP-80 |
Features
- Dual fully independent 10/100 Ethernet ports
- MII and RMII MAC interface support
- 100BASE-FX fiber interface support
- Auto-MDIX for both 10 and 100 Mbps
- TDR cable diagnostics and length detection
- Dynamic link quality monitoring
- Energy detection mode for power savings
- JTAG 1149.1 boundary scan
- 6 programmable LED outputs
- Optimized latency for real-time Ethernet
Applications
- Industrial networking and redundancy
- Wireless base station backhaul
- Factory floor Ethernet
- Network switches and routers
- Building automation
- Embedded systems with dual Ethernet