{"id":2635,"date":"2026-05-24T01:31:30","date_gmt":"2026-05-24T01:31:30","guid":{"rendered":"https:\/\/materialparts.com\/rtl8201f-vb-cg\/"},"modified":"2026-05-24T01:31:30","modified_gmt":"2026-05-24T01:31:30","slug":"rtl8201f-vb-cg","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/rtl8201f-vb-cg\/","title":{"rendered":"RTL8201F-VB-CG"},"content":{"rendered":"

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

The RTL8201F-VB-CG from Realtek is a single-port 10\/100Mbps Ethernet PHY transceiver in a 32-pin QFN package. Supporting MII and RMII MAC interfaces with auto-negotiation and auto-MDIX, it is a widely used Ethernet PHY for embedded networking.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n
\u529f\u80fd<\/td>\nSingle-port 10\/100 Ethernet PHY<\/td>\n<\/tr>\n
\u6570\u636e\u901f\u7387<\/td>\n10Mbps \/ 100Mbps<\/td>\n<\/tr>\n
MAC Interface<\/td>\nMII \/ RMII<\/td>\n<\/tr>\n
\u7535\u6e90\u7535\u538b<\/td>\n3.3V (I\/O), 1.8V (core)<\/td>\n<\/tr>\n
Auto-Negotiation<\/td>\nYes (802.3u)<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\n32-VFQFN (5 x 5mm)<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u00b0C to +85\u00b0C<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • IEEE 802.3\/802.3u compliant 10\/100 PHY<\/li>\n
  • MII and RMII MAC interface support<\/li>\n
  • Auto-negotiation and auto-MDIX<\/li>\n
  • Integrated 100Base-TX PLL and scrambler<\/li>\n
  • Baseline wander correction<\/li>\n
  • Industrial temperature range support<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Embedded Ethernet connectivity for MCU\/SoC<\/li>\n
    • Industrial automation network interfaces<\/li>\n
    • Set-top box and IPTV Ethernet port<\/li>\n
    • Network printer and scanner<\/li>\n
    • Home gateway LAN ports<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The RTL8201F-VB-CG from Realtek is a single-port 10\/100Mbps Ethernet PHY transceiver in a 32-pin QFN package. Supporting MII and RMII MAC interfaces with auto-negotiation and auto-MDIX, it is a widely used Ethernet PHY for embedded networking. Key Specifications Function Single-port 10\/100 Ethernet PHY Data Rate 10Mbps \/ 100Mbps MAC Interface MII \/ RMII […]<\/p>\n","protected":false},"author":2,"featured_media":2693,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,20],"tags":[],"chip_brand":[158],"class_list":["post-2635","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-realtek"],"acf":{"brief_explanation":"10\/100Mbps Ethernet PHY, MII\/RMII, auto-negotiation, 32-QFN 5x5mm, industrial","date_code":"","package_case":"32-VFQFN (5.0 x 5.0 x 0.9 mm)","in_stock":4929,"datasheet":"https:\/\/www.realtek.com\/en\/products\/communications-network-ics\/item\/rtl8201f-vb-cg","price":"$0.85 @ 1ku","product_introduction":"The RTL8201F-VB-CG from Realtek is a single-port 10\/100Mbps Ethernet PHY transceiver in a compact 32-pin QFN package. It provides the analog physical layer functions for 10Base-T and 100Base-TX Ethernet, interfacing with MAC controllers via MII or RMII bus. The device supports IEEE 802.3u auto-negotiation and auto-MDIX for cable polarity correction. With integrated baseline wander correction and robust receiver equalization, it maintains reliable communication over long cable runs. The industrial temperature grade (-40\u00b0C to +85\u00b0C) suits harsh environments.","working_principle":"The RTL8201F implements the Ethernet physical layer per IEEE 802.3. On the line side, it handles 4D-PAM5 encoding for 100Base-TX or Manchester encoding for 10Base-T. On the MAC side, it communicates via MII (4-bit, 25MHz\/2.5MHz) or RMII (2-bit, 50MHz). Auto-negotiation uses Fast Link Pulse bursts to advertise capabilities and negotiate the highest common speed\/duplex. Auto-MDIX detects crossover and swaps TX\/RX pairs internally. The integrated DSP performs echo cancellation, equalization, and baseline wander correction.","pin_description":"
      Pin Group<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1-8<\/td>TXD\/TXEN\/TXCLK<\/td>I\/O<\/td>MII transmit data and control<\/td><\/tr>
      9-16<\/td>RXD\/RXDV\/RXCLK<\/td>I\/O<\/td>MII receive data and control<\/td><\/tr>
      17-20<\/td>MDIO\/MDC<\/td>I\/O<\/td>Management interface (SMI)<\/td><\/tr>
      21-24<\/td>TXP\/TXN<\/td>Analog<\/td>100Base-TX transmit pair<\/td><\/tr>
      25-28<\/td>RXP\/RXN<\/td>Analog<\/td>Receive pair from magnetics<\/td><\/tr>
      29-32<\/td>VDD\/GND\/CFG<\/td>Power<\/td>Power, ground, configuration<\/td><\/tr><\/table>","application_scenarios":"
      • Embedded MCU Ethernet (STM32 + RTL8201F)<\/li>
      • Industrial PLC and HMI Ethernet ports<\/li>
      • Set-top box and smart TV LAN interface<\/li>
      • Network printer and scanner connectivity<\/li>
      • Home router 10\/100 LAN ports<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Microchip<\/td>KSZ8041NLIA<\/td>32-QFN<\/td>10\/100 PHY, RMII<\/td><\/tr>
        TI<\/td>DP83848JVVB<\/td>48-LQFP<\/td>10\/100 PHY, MII\/RMII<\/td><\/tr>
        Realtek<\/td>RTL8211F-CG<\/td>32-QFN<\/td>Gigabit PHY upgrade<\/td><\/tr>
        ADI<\/td>DP83825I<\/td>24-QFN<\/td>10\/100 PHY, RMII, small<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/2635","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=2635"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/2635\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media\/2693"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=2635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=2635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=2635"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=2635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}