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Texas Instruments DP83848-EP PHYTER 10/100Mb/s Ethernet PHY

Texas Instruments DP83848-EP PHYTER 10/100Mb/s Ethernet PHY is a highly reliable, feature-rich, robust device. This device includes enhanced ESD protection, MII, and RMII for maximum flexibility in MPU selection, all in a 48-pin PQFP package. The DP83848-EP was designed to allow Ethernet connectivity in the harshest environments. This device meets IEEE 802.3u standards over a military temperature range of –55°C to 125°C. The DP83848-EP is ideally suited for harsh environments, for example, avionics, defense, and industrial control applications. The Texas Instruments DP83848-EP features integrated sublayers to support 10BASE-T and 100BASE-TX Ethernet protocols. This feature ensures compatibility and interoperability with all other standards-based Ethernet solutions.

Features

  • Low-power 3.3V, 0.18µm CMOS technology
  • Low-power consumption of < 270mW typical
  • 3.3V MAC interface
  • Auto-MDIX for 10/100Mbps
  • Energy detection mode
  • 25MHz clock out
  • SNI interface (configurable)
  • RMII Rev. 1.2 interface (configurable)
  • MII serial management interface (MDC and MDIO)
  • IEEE 802.3u MII
  • IEEE 802.3u auto-negotiation and parallel detection
  • IEEE 802.3u ENDEC, 10BASE-T transceivers, and filters
  • IEEE 802.3u PCS, 100BASE-TX transceivers, and filters
  • IEEE 1149.1 JTAG
  • Integrated ANSI X3.263 compliant TP-PMD physical sublayer with adaptive equalization and baseline wander compensation
  • Error-free operation up to 150m
  • Programmable LED support link, 10/100Mbps mode, activity, and collision detect
  • Single register access for complete PHY status
  • 10/100Mbps packet BIST (built-in self-test)
  • Lead-free 48-pin PQFP packages 7mm×7mm

Applications

  • Avionics and defense
  • Industrial controls and factory automation
  • General embedded applications

Functional Block Diagram

Block Diagram - Texas Instruments DP83848-EP PHYTER 10/100Mb/s Ethernet PHY

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Published: 2019-08-20 | Updated: 2025-03-06