{"id":3009,"date":"2026-05-29T04:38:54","date_gmt":"2026-05-29T04:38:54","guid":{"rendered":"https:\/\/materialparts.com\/dp83848cvvx-nopb\/"},"modified":"2026-05-29T06:56:23","modified_gmt":"2026-05-29T06:56:23","slug":"dp83848cvvx-nopb","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/dp83848cvvx-nopb\/","title":{"rendered":"DP83848CVVX\/NOPB"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

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\u00b0C to 70\u00b0C.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\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
\u6570\u636e\u901f\u7387<\/td>\n10\/100 Mbps<\/td>\n<\/tr>\n
MAC Interface<\/td>\nMII, RMII, SNI<\/td>\n<\/tr>\n
\u7535\u6e90\u7535\u538b<\/td>\n3.0 V ~ 3.6 V (3.3V typical)<\/td>\n<\/tr>\n
Power Consumption<\/td>\n<270 mW typical<\/td>\n<\/tr>\n
Duplex<\/td>\nFull\/Half<\/td>\n<\/tr>\n
Auto-MDIX<\/td>\nYes (10\/100 Mbps)<\/td>\n<\/tr>\n
JTAG<\/td>\nIEEE 1149.1<\/td>\n<\/tr>\n
LED Outputs<\/td>\nProgrammable (Link, Speed, Activity, Duplex, Collision)<\/td>\n<\/tr>\n
Cable Reach<\/td>\nUp to 150 m error-free<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nLQFP-48<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n0\u00b0C ~ 70\u00b0C (Commercial)<\/td>\n<\/tr>\n
Supply Current (max)<\/td>\n92 mA<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Auto-MDIX for 10\/100 Mbps eliminates crossover cable concerns<\/li>\n
  • Energy detection mode for power savings when link is inactive<\/li>\n
  • 25 MHz clock output for system clock distribution<\/li>\n
  • Configurable MII, RMII, or SNI interface for maximum MAC flexibility<\/li>\n
  • Integrated ANSI X3.263 compliant TP-PMD with adaptive equalization<\/li>\n
  • Built-in self-test (BIST) for 10\/100 Mbps packets<\/li>\n
  • Enhanced ESD protection for harsh environments<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Embedded Ethernet connectivity for industrial and commercial systems<\/li>\n
    • Network-enabled microcontroller and processor boards<\/li>\n
    • Remote base station and telecom equipment<\/li>\n
    • Industrial control and automation networking<\/li>\n
    • Medical and instrumentation Ethernet interfaces<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      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\u00b0C to 70\u00b0C. Key […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,20],"tags":[],"chip_brand":[138],"class_list":["post-3009","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, 270mW, LQFP-48, commercial","date_code":"","package_case":"LQFP-48 (7\u00d77 mm)","in_stock":14754,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/dp83848c.pdf","price":"$3.318 @ 1ku","product_introduction":"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\u00b0C to 70\u00b0C with typical power consumption below 270 mW.","working_principle":"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_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1-8<\/td>TXD[3:0], TX_EN, TX_CLK, TX_ER, etc.<\/td>MII Transmit<\/td>MII transmit data and control signals<\/td><\/tr>
      9-16<\/td>RXD[3:0], RX_DV, RX_CLK, RX_ER, etc.<\/td>MII Receive<\/td>MII receive data and control signals<\/td><\/tr>
      17-20<\/td>MDC, MDIO, CRS, COL<\/td>Management<\/td>Serial management interface and status<\/td><\/tr>
      25-28<\/td>TXP, TXN, RXP, RXN<\/td>Analog<\/td>Differential transmit and receive pairs to magnetics<\/td><\/tr>
      29-32<\/td>LED[0:2]<\/td>Output<\/td>Programmable LED outputs (link, speed, activity)<\/td><\/tr>
      33<\/td>X1<\/td>Input<\/td>25 MHz crystal oscillator input<\/td><\/tr>
      34<\/td>X2<\/td>Output<\/td>Crystal oscillator output<\/td><\/tr>
      35-36<\/td>VDD, VSS<\/td>Power<\/td>3.3V supply and ground<\/td><\/tr>
      40-48<\/td>JTAG, Config, Reset<\/td>Control<\/td>TCK, TMS, TDI, TDO, PWR_DOWN\/INT, RESET<\/td><\/tr><\/table>","application_scenarios":"
      • Embedded Ethernet: Adding 10\/100 network connectivity to MCU and processor-based embedded systems<\/li>
      • Industrial networking: Ethernet-based fieldbus and control networks in factory automation environments<\/li>
      • Telecom equipment: Remote base stations and network infrastructure requiring reliable Ethernet PHY<\/li>
      • Medical devices: Networked patient monitoring and diagnostic equipment with Ethernet data transmission<\/li>
      • Smart grid: Energy management systems and smart meter networking interfaces<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        TI<\/td>DP83848IVVX\/NOPB<\/td>LQFP-48<\/td>Industrial grade (-40\u00b0C to 85\u00b0C)<\/td><\/tr>
        TI<\/td>DP83848CVV\/NOPB<\/td>LQFP-48<\/td>Tray packaging variant<\/td><\/tr>
        Realtek<\/td>RTL8201CP<\/td>QFP-48<\/td>Direct alternative, 10\/100 PHY<\/td><\/tr>
        Microchip<\/td>KSZ8041NL<\/td>QFN-32<\/td>Smaller package, 10\/100 PHY, RMII only<\/td><\/tr>
        Silicon Labs<\/td>SiLAN9220<\/td>QFN-48<\/td>10\/100 PHY with automotive support<\/td><\/tr>
        NXP<\/td>LAN8720A<\/td>QFN-24<\/td>Ultra-compact 10\/100 PHY, RMII only<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/3009","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=3009"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/3009\/revisions"}],"predecessor-version":[{"id":3024,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/3009\/revisions\/3024"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=3009"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=3009"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=3009"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=3009"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}