{"id":7864,"date":"2026-06-28T03:00:54","date_gmt":"2026-06-28T03:00:54","guid":{"rendered":"https:\/\/materialparts.com\/dp83848ivvx\/"},"modified":"2026-06-28T10:19:59","modified_gmt":"2026-06-28T10:19:59","slug":"dp83848ivvx","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/dp83848ivvx\/","title":{"rendered":"DP83848IVVX"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

The DP83848IVVX is a single-port 10\/100 Ethernet PHY transceiver from Texas Instruments with MII\/RMII\/SNI interfaces, auto-MDIX, and IEEE 802.3 compliance in a 48-pin LQFP package rated for industrial temperature.<\/p>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Standard<\/td>\nIEEE 802.3u (10\/100BASE-T)<\/td>\n<\/tr>\n
\u0645\u0639\u062f\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a<\/td>\n10Mbps \/ 100Mbps<\/td>\n<\/tr>\n
MAC Interface<\/td>\nMII, RMII, SNI (configurable)<\/td>\n<\/tr>\n
Auto-MDIX<\/td>\nYes (automatic crossover)<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/td>\n3.3V (3.0V to 3.6V)<\/td>\n<\/tr>\n
\u0627\u0633\u062a\u0647\u0644\u0627\u0643 \u0627\u0644\u0637\u0627\u0642\u0629<\/td>\n<270mW typical<\/td>\n<\/tr>\n
Energy Detect<\/td>\nYes (power down when no link)<\/td>\n<\/tr>\n
LED Outputs<\/td>\n3 (link, speed, activity)<\/td>\n<\/tr>\n
JTAG<\/td>\nIEEE 1149.1 boundary scan<\/td>\n<\/tr>\n
25MHz Clock Output<\/td>\nYes (for MAC reference)<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40\u00b0C to +85\u00b0C (I-grade)<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nLQFP-48 (7 x 7mm)<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • Full IEEE 802.3 10\/100BASE-T compliance<\/li>\n
  • Auto-MDIX eliminates crossover cable concerns<\/li>\n
  • MII, RMII, or SNI MAC interface (pin-strap config)<\/li>\n
  • Low power: <270mW typical<\/li>\n
  • Energy Detect mode for power savings when unlinked<\/li>\n
  • 25MHz clock output for MAC reference<\/li>\n
  • Integrated baseline wander compensation<\/li>\n
  • IEEE 1149.1 JTAG boundary scan for production test<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Industrial Ethernet connectivity<\/li>\n
    • Embedded web servers and IoT<\/li>\n
    • Remote base station controllers<\/li>\n
    • Building automation and HVAC<\/li>\n
    • Medical equipment networking<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The DP83848IVVX is a single-port 10\/100 Ethernet PHY transceiver from Texas Instruments with MII\/RMII\/SNI interfaces, auto-MDIX, and IEEE 802.3 compliance in a 48-pin LQFP package rated for industrial temperature. Key Specifications Standard IEEE 802.3u (10\/100BASE-T) Data Rate 10Mbps \/ 100Mbps MAC Interface MII, RMII, SNI (configurable) Auto-MDIX Yes (automatic crossover) Supply Voltage 3.3V […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,20],"tags":[],"chip_brand":[138],"class_list":["post-7864","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-ti"],"acf":{"brief_explanation":"10\/100 Ethernet PHY, MII\/RMII\/SNI, auto-MDIX, 3.3V, LQFP-48 industrial","date_code":"","package_case":"LQFP-48 (7 x 7 x 1.4mm, 0.5mm pitch)","in_stock":1250,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/dp83848i.pdf","price":"$3.23 @ 1ku","product_introduction":"The DP83848IVVX is a single-port 10\/100Mbps Ethernet physical layer transceiver from Texas Instruments in the PHYTER family. It provides the complete physical layer function between the MAC layer and the Ethernet cable, supporting IEEE 802.3 10BASE-T and 100BASE-TX. The device offers three configurable MAC interfaces (MII, RMII, SNI) for maximum flexibility in MPU\/MCU selection. Auto-MDIX automatically detects and corrects for crossover cables, eliminating wiring errors. Energy Detect mode reduces power consumption when no link partner is present. The 25MHz clock output provides a MAC reference clock without an external oscillator. The I-grade is rated for -40\u00b0C to +85\u00b0C industrial temperature range.","working_principle":"The DP83848IVVX implements the IEEE 802.3 physical layer (PHY) functions between the MAC and the twisted-pair cable. In 100BASE-TX mode, the transmitter takes 4-bit nibbles from the MII interface, encodes them using 4B\/5B coding, scrambles the data, and converts it to MLT-3 signaling for transmission over Category 5 cable. The receiver performs the inverse: MLT-3 equalization, baseline wander compensation, descrambling, 5B\/4B decoding, and presents the data as MII nibbles. In 10BASE-T mode, the transmitter uses Manchester encoding and the receiver uses a digital phase-locked loop for clock recovery. Auto-negotiation exchanges capability information with the link partner and selects the highest common mode. Auto-MDIX detects whether a crossover is needed and swaps the transmit and receive pairs internally. The MDIO\/MDC management interface allows the MAC to read and write PHY registers for configuration and status monitoring. Energy Detect mode monitors the receive pair for link pulses and powers down the transmitter and most receive circuitry when no link is detected, reducing power to approximately 50mW.","pin_description":"\n
      Pin Group<\/th>Count<\/th>Function<\/th>Description<\/th><\/tr>\n
      MII\/RMII<\/td>14<\/td>MAC Interface<\/td>TXD[3:0], RXD[3:0], TX_CLK, RX_CLK, TX_EN, RX_DV, CRS, COL<\/td><\/tr>\n
      MII Management<\/td>2<\/td>MDIO\/MDC<\/td>Management data input\/output and clock<\/td><\/tr>\n
      MDI\/MDIX<\/td>4<\/td>Line Interface<\/td>TX+\/TX-, RX+\/RX- to RJ45 magnetics<\/td><\/tr>\n
      LED<\/td>3<\/td>Output<\/td>Link, speed, and activity indicators<\/td><\/tr>\n
      JTAG<\/td>4<\/td>Test<\/td>TCK, TMS, TDI, TDO<\/td><\/tr>\n
      Power<\/td>Multiple<\/td>VDD\/GND<\/td>3.3V supply and ground pairs<\/td><\/tr>\n<\/table>","application_scenarios":"
        \n
      • Industrial Ethernet:<\/strong> -40\u00b0C to +85\u00b0C and IEEE 802.3 compliance ensure reliable networking in factory and process automation<\/li>\n
      • Embedded Web Servers:<\/strong> RMII interface reduces pin count; 25MHz clock output eliminates external oscillator<\/li>\n
      • Auto-MDIX:<\/strong> Automatic crossover detection simplifies installation and eliminates crossover cable errors in field deployment<\/li>\n
      • Low-Power Nodes:<\/strong> Energy Detect mode reduces power to <50mW when unlinked, critical for battery-backed systems<\/li>\n
      • Medical Equipment:<\/strong> JTAG boundary scan and industrial temperature support reliable network connectivity in medical devices<\/li>\n<\/ul>","alternative_models":"\n
        Model<\/th>Manufacturer<\/th>Key Difference<\/th>Package<\/th>Specs<\/th><\/tr>\n
        DP83848CVVX<\/td>TI<\/td>Commercial temp (0\u00b0C to +70\u00b0C), lower cost<\/td>-<\/td>-<\/td><\/tr>\n
        DP83848VVYB\/NOPB<\/td>TI<\/td>Extended temp (-40\u00b0C to +105\u00b0C)<\/td>-<\/td>-<\/td><\/tr>\n
        KSZ8041NLIA<\/td>Microchip<\/td>10\/100 PHY, RMII, QFN-32<\/td>-<\/td>-<\/td><\/tr>\n
        LAN8720A<\/td>Microchip<\/td>10\/100 PHY, RMII only, QFN-24<\/td>-<\/td>-<\/td><\/tr>\n
        TLK110RHBR<\/td>TI<\/td>10\/100 PHY, RGMII, QFN-40<\/td>-<\/td>-<\/td><\/tr>\n<\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/7864","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=7864"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/7864\/revisions"}],"predecessor-version":[{"id":8275,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/7864\/revisions\/8275"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=7864"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=7864"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=7864"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=7864"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}