{"id":7497,"date":"2026-06-25T07:37:58","date_gmt":"2026-06-25T07:37:58","guid":{"rendered":"https:\/\/materialparts.com\/enc28j60-i-so\/"},"modified":"2026-06-25T07:37:58","modified_gmt":"2026-06-25T07:37:58","slug":"enc28j60-i-so","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/enc28j60-i-so\/","title":{"rendered":"ENC28J60-I\/SO"},"content":{"rendered":"

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

The ENC28J60-I\/SO from Microchip Technology is a stand-alone 10BASE-T Ethernet controller with integrated MAC and PHY, 8KB dual-port buffer RAM, and SPI interface in SOIC-28 package. Compliant with IEEE 802.3, it provides a complete Ethernet network interface for any SPI-equipped microcontroller.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
Speed<\/td>\n10 Mbps (10BASE-T)<\/td>\n<\/tr>\n
Interface<\/td>\nSPI (up to 20 MHz)<\/td>\n<\/tr>\n
Buffer RAM<\/td>\n8 Kbyte dual-port SRAM<\/td>\n<\/tr>\n
Standard<\/td>\nIEEE 802.3 compliant<\/td>\n<\/tr>\n
DMA<\/td>\nInternal DMA for fast copy<\/td>\n<\/tr>\n
LED Outputs<\/td>\n2 (link\/activity)<\/td>\n<\/tr>\n
Interrupt Pin<\/td>\n1<\/td>\n<\/tr>\n
\u7535\u6e90\u7535\u538b<\/td>\n3.14 V to 3.45 V<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nSOIC-28 (7.50mm wide)<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40 to +85 C<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Integrated MAC and 10BASE-T PHY reduces external component count<\/li>\n
  • 8KB dual-port buffer with configurable TX\/RX partitioning<\/li>\n
  • Hardware IP checksum calculation offloads host processor<\/li>\n
  • Programmable pattern matching up to 64 bytes for packet filtering<\/li>\n
  • Magic Packet wake-up support for remote power management<\/li>\n
  • Programmable automatic retransmit on collision<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Embedded Ethernet connectivity for SPI-equipped MCUs<\/li>\n
    • Industrial and building automation network nodes<\/li>\n
    • VoIP telephone interfaces<\/li>\n
    • Home control and security system networking<\/li>\n
    • Instrumentation remote data logging<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The ENC28J60-I\/SO from Microchip Technology is a stand-alone 10BASE-T Ethernet controller with integrated MAC and PHY, 8KB dual-port buffer RAM, and SPI interface in SOIC-28 package. Compliant with IEEE 802.3, it provides a complete Ethernet network interface for any SPI-equipped microcontroller. Key Specifications Speed 10 Mbps (10BASE-T) Interface SPI (up to 20 MHz) […]<\/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":[134],"class_list":["post-7497","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-microchip"],"acf":{"brief_explanation":"10BASE-T Ethernet controller, SPI, 8KB RAM, MAC+PHY, SOIC-28","date_code":"","package_case":"SOIC-28 (17.9 x 7.5 x 2.35 mm)","in_stock":5678,"datasheet":"https:\/\/www.microchip.com\/en-us\/product\/ENC28J60","price":"$3.17 @ 5ku","product_introduction":"The ENC28J60-I\/SO from Microchip Technology is a stand-alone 10BASE-T Ethernet controller with an industry-standard SPI interface, designed to serve as an Ethernet network interface for any microcontroller equipped with SPI. The device integrates both MAC and PHY layers, providing IEEE 802.3 compliance with 8KB of dual-port buffer RAM for transmit and receive packets. An internal DMA module enables fast data throughput, while hardware-assisted IP checksum calculation offloads the host processor. The SPI interface supports clock rates up to 20MHz for high-speed data transfer.","working_principle":"The ENC28J60-I\/SO operates as a complete Ethernet interface controller. (1) The integrated PHY handles the physical layer signaling for 10BASE-T, including waveform shaping, collision detection, and automatic polarity correction. The MAC layer manages frame formatting, address filtering, and CRC generation\/verification. (2) The 8KB dual-port SRAM buffer is divided between transmit and receive regions, configurable by the host. Received packets are placed in a hardware-managed circular receive FIFO, while the internal DMA module enables fast data movement between buffers. (3) The SPI interface provides register access and buffer read\/write operations at up to 20MHz clock rate. Pattern matching filters allow the host to sleep until a matching packet arrives, with Magic Packet wake-up for remote power management.","pin_description":"
      Pin Group<\/th>Name<\/th>Function<\/th><\/tr>
      1<\/td>VSS<\/td>Ground<\/td><\/tr>
      2-3<\/td>CLKOUT\/INT<\/td>Clock output\/Interrupt<\/td><\/tr>
      4<\/td>WOL<\/td>Wake-on-LAN output<\/td><\/tr>
      5<\/td>SO<\/td>SPI data out (MISO)<\/td><\/tr>
      6<\/td>SI<\/td>SPI data in (MOSI)<\/td><\/tr>
      7<\/td>SCK<\/td>SPI clock<\/td><\/tr>
      8<\/td>CS<\/td>SPI chip select (active low)<\/td><\/tr>
      9<\/td>RESET<\/td>Hardware reset<\/td><\/tr>
      10-11<\/td>VDD\/RPULA<\/td>Power and pull-up<\/td><\/tr>
      12-13<\/td>TPIN+\/TPIN-<\/td>Receive inputs (differential)<\/td><\/tr>
      14-15<\/td>TPOUT+\/TPOUT-<\/td>Transmit outputs (differential)<\/td><\/tr>
      16<\/td>VDDTX<\/td>Transmit power<\/td><\/tr>
      17-19<\/td>VDDPLL\/VDDRX\/VDDOSC<\/td>Power rails<\/td><\/tr>
      20-21<\/td>OSC1\/OSC2<\/td>25MHz crystal<\/td><\/tr>
      22-23<\/td>LEDA\/LEDB<\/td>LED outputs<\/td><\/tr><\/table>","application_scenarios":"
      • Embedded Ethernet connectivity for SPI-equipped MCUs without built-in MAC<\/li>
      • Industrial and building automation network nodes with SPI host interface<\/li>
      • VoIP telephone interfaces requiring 10Mbps Ethernet<\/li>
      • Home control and security system remote monitoring via Ethernet<\/li>
      • Instrumentation remote data logging with TCP\/IP stack on host MCU<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        ENC28J60-I\/ML<\/td>Microchip<\/td>QFN-28 package (6x6mm)<\/td><\/tr>
        W5500<\/td>WIZnet<\/td>Hardwired TCP\/IP, 10\/100Mbps<\/td><\/tr>
        KSZ8851SNL<\/td>Microchip<\/td>10\/100Mbps, SPI, TCP\/IP offload<\/td><\/tr>
        DP83848J<\/td>TI<\/td>10\/100 PHY only, MII\/RMII<\/td><\/tr>
        LAN8720A<\/td>Microchip<\/td>10\/100 PHY, RMII, small QFN<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/7497","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=7497"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/7497\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=7497"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=7497"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=7497"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=7497"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}