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DP83848CVVX/NOPB

10/100 Ethernet PHY, MII/RMII/SNI, Auto-MDIX, 270mW, LQFP-48, commercial

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Manufacturer Part：

DP83848CVVX/NOPB

Package：

LQFP-48 (7×7 mm)

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Description

Product Overview

The Texas Instruments DP83848CVVX/NOPB is a single-port 10/100 Mbps Ethernet PHY transceiver from the PHYTER family, packaged in a 48-pin LQFP. Supporting MII, RMII, and SNI MAC interfaces, it features Auto-MDIX, energy detection mode, IEEE 1149.1 JTAG, and error-free operation up to 150 meters. This commercial-grade version operates from 0°C to 70°C.

Key Specifications

Standard IEEE 802.3u (10/100BASE-T)
Data Rate 10/100 Mbps
MAC Interface MII, RMII, SNI
Supply Voltage 3.0 V ~ 3.6 V (3.3V typical)
Power Consumption <270 mW typical
Duplex Full/Half
Auto-MDIX Yes (10/100 Mbps)
JTAG IEEE 1149.1
LED Outputs Programmable (Link, Speed, Activity, Duplex, Collision)
Cable Reach Up to 150 m error-free
Package LQFP-48
Operating Temperature 0°C ~ 70°C (Commercial)
Supply Current (max) 92 mA

Features

  • Auto-MDIX for 10/100 Mbps eliminates crossover cable concerns
  • Energy detection mode for power savings when link is inactive
  • 25 MHz clock output for system clock distribution
  • Configurable MII, RMII, or SNI interface for maximum MAC flexibility
  • Integrated ANSI X3.263 compliant TP-PMD with adaptive equalization
  • Built-in self-test (BIST) for 10/100 Mbps packets
  • Enhanced ESD protection for harsh environments

Applications

  • Embedded Ethernet connectivity for industrial and commercial systems
  • Network-enabled microcontroller and processor boards
  • Remote base station and telecom equipment
  • Industrial control and automation networking
  • Medical and instrumentation Ethernet interfaces

The DP83848CVVX/NOPB from Texas Instruments is a single-port 10/100 Mbps Ethernet Physical Layer (PHY) transceiver from the PHYTER family. It is designed to provide robust Ethernet connectivity in commercial, industrial, and harsh environment applications. The device integrates the Physical Coding Sublayer (PCS), Physical Medium Attachment (PMA), and Physical Medium Dependent (PMD) sublayers as defined by IEEE 802.3. It supports MII, RMII, and SNI MAC interfaces, providing flexibility in MCU/processor selection. Key features include Auto-MDIX for automatic crossover correction, energy detection mode for power savings, 25 MHz clock output, IEEE 1149.1 JTAG boundary scan, and built-in self-test (BIST). The commercial-grade version operates from 0°C to 70°C with typical power consumption below 270 mW.

The DP83848CVVX operates as the physical layer interface between the MAC layer and the Ethernet cable. In the transmit path, the MAC sends data via the MII/RMII interface to the PHY, which performs 4B/5B encoding (100 Mbps) or Manchester encoding (10 Mbps), followed by scrambling, MLT-3 encoding, and waveform shaping before driving the signal onto the twisted-pair cable. In the receive path, the adaptive equalizer compensates for cable attenuation, followed by clock recovery, MLT-3 decoding, descrambling, and 4B/5B decoding before passing the data to the MAC. Auto-MDIX detects the cable configuration (straight-through or crossover) and automatically swaps the transmit and receive pairs to ensure correct connectivity. The energy detection mode monitors link activity and reduces power consumption when the link is idle.

Pin Name Type Function
1-8 TXD[3:0], TX_EN, TX_CLK, TX_ER, etc. MII Transmit MII transmit data and control signals
9-16 RXD[3:0], RX_DV, RX_CLK, RX_ER, etc. MII Receive MII receive data and control signals
17-20 MDC, MDIO, CRS, COL Management Serial management interface and status
25-28 TXP, TXN, RXP, RXN Analog Differential transmit and receive pairs to magnetics
29-32 LED[0:2] Output Programmable LED outputs (link, speed, activity)
33 X1 Input 25 MHz crystal oscillator input
34 X2 Output Crystal oscillator output
35-36 VDD, VSS Power 3.3V supply and ground
40-48 JTAG, Config, Reset Control TCK, TMS, TDI, TDO, PWR_DOWN/INT, RESET
  • Embedded Ethernet: Adding 10/100 network connectivity to MCU and processor-based embedded systems
  • Industrial networking: Ethernet-based fieldbus and control networks in factory automation environments
  • Telecom equipment: Remote base stations and network infrastructure requiring reliable Ethernet PHY
  • Medical devices: Networked patient monitoring and diagnostic equipment with Ethernet data transmission
  • Smart grid: Energy management systems and smart meter networking interfaces
Manufacturer Part Number Package Notes
TI DP83848IVVX/NOPB LQFP-48 Industrial grade (-40°C to 85°C)
TI DP83848CVV/NOPB LQFP-48 Tray packaging variant
Realtek RTL8201CP QFP-48 Direct alternative, 10/100 PHY
Microchip KSZ8041NL QFN-32 Smaller package, 10/100 PHY, RMII only
Silicon Labs SiLAN9220 QFN-48 10/100 PHY with automotive support
NXP LAN8720A QFN-24 Ultra-compact 10/100 PHY, RMII only
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All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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