{"id":9716,"date":"2026-07-05T09:39:15","date_gmt":"2026-07-05T09:39:15","guid":{"rendered":"https:\/\/materialparts.com\/cp2104-f03-gmr\/"},"modified":"2026-07-05T09:39:15","modified_gmt":"2026-07-05T09:39:15","slug":"cp2104-f03-gmr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/cp2104-f03-gmr\/","title":{"rendered":"CP2104-F03-GMR"},"content":{"rendered":"<h2>Productos<\/h2>\n<p>The CP2104-F03-GMR from Silicon Labs is a highly integrated USB-to-UART bridge controller in a QFN-24 (4x4mm) package. It provides a complete plug-and-play solution with integrated USB 2.0 full-speed transceiver, clock oscillator, voltage regulator, and 1024-byte OTP ROM for USB descriptor customization. The device supports data rates from 300bps to 2Mbps with 4 configurable GPIO pins and royalty-free VCP drivers.<\/p>\n<h2>Especificaciones<\/h2>\n<ul>\n<li>Interface: USB 2.0 FS to UART Bridge<\/li>\n<li>Data Rate: 300bps to 2Mbps<\/li>\n<li>Supply Voltage: 3.0-3.6V (self), 4.0-5.25V (bus via VREGIN)<\/li>\n<li>I\/O Voltage: 1.8V to VDD (via VIO pin)<\/li>\n<li>Supply Current: 17mA active, 100uA suspend<\/li>\n<li>GPIO: 4 configurable I\/O pins<\/li>\n<li>FIFO: 576 bytes TX, 576 bytes RX<\/li>\n<li>OTP ROM: 1024 bytes for VID\/PID customization<\/li>\n<li>Data Format: 5\/6\/7\/8 data, 1\/1.5\/2 stop, odd\/even\/mark\/space\/none parity<\/li>\n<li>Flow Control: Hardware (CTS\/RTS\/DSR\/DTR) and XON\/XOFF<\/li>\n<li>Package: QFN-24-EP (4x4mm)<\/li>\n<li>Operating Temperature: -40C to +85C<\/li>\n<li>MSL: 1 (Unlimited)<\/li>\n<li>RoHS: ROHS3 Compliant<\/li>\n<li>Part Status: Active (lifecycle commitment through at least 2035)<\/li>\n<\/ul>\n<h2>Caracter\u00edsticas<\/h2>\n<ul>\n<li>Integrated USB transceiver &#8211; no external resistors<\/li>\n<li>Integrated clock &#8211; no external crystal<\/li>\n<li>1024-byte OTP ROM for VID\/PID customization<\/li>\n<li>On-chip voltage regulator (3.45V from VREGIN)<\/li>\n<li>Configurable I\/O voltage down to 1.8V<\/li>\n<li>RS-485 mode with bus transceiver control<\/li>\n<li>Royalty-free VCP drivers for Win\/Linux\/Mac<\/li>\n<\/ul>\n<h2>Aplicaciones<\/h2>\n<ul>\n<li>RS-232\/RS-485 to USB upgrade adapters<\/li>\n<li>Embedded system debug\/programming ports<\/li>\n<li>USB to serial adapter dongles<\/li>\n<li>IoT device USB connectivity<\/li>\n<li>Cellular modem USB interface cables<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Product Overview The CP2104-F03-GMR from Silicon Labs is a highly integrated USB-to-UART bridge controller in a QFN-24 (4x4mm) package. It provides a complete plug-and-play solution with integrated USB 2.0 full-speed transceiver, clock oscillator, voltage regulator, and 1024-byte OTP ROM for USB descriptor customization. The device supports data rates from 300bps to 2Mbps with 4 configurable [&hellip;]<\/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":[13,25],"tags":[977],"chip_brand":[177],"class_list":["post-9716","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","tag-cp2104-f03-gmr","chip_brand-silicon-labs"],"acf":{"brief_explanation":"USB-to-UART bridge, USB 2.0 FS, 2Mbps, 4 GPIO, QFN-24 4x4mm, -40~85C, OTP ROM","date_code":"","package_case":"QFN-24-EP (4 x 4mm)","in_stock":7013,"datasheet":"https:\/\/www.silabs.com\/interface\/usb-bridges\/classic\/device.cp2104","price":"$2.92 @ 1ku","product_introduction":"The CP2104-F03-GMR from Silicon Labs is a USB-to-UART bridge in a 4x4mm QFN with integrated transceiver, clock, and OTP ROM, supporting data rates up to 2Mbps.","working_principle":"The CP2104 appears as a Virtual COM Port on the USB host. USB packets are converted to UART format. The 1024-byte OTP ROM stores USB descriptors (VID, PID, serial number) customizable via Silicon Labs CP21xx Customization Utility. The 576-byte TX\/RX FIFOs ensure reliable data transfer at high baud rates. VIO pin allows I\/O voltage matching down to 1.8V.","pin_description":"<table><tr><th>Pin<\/th><th>Name<\/th><th>Function<\/th><\/tr><tr><td>1<\/td><td>VREGIN<\/td><td>Regulator input (4.0-5.25V)<\/td><\/tr><tr><td>3<\/td><td>VDD<\/td><td>Core supply (3.0-3.6V)<\/td><\/tr><tr><td>9<\/td><td>RXD<\/td><td>UART receive<\/td><\/tr><tr><td>10<\/td><td>TXD<\/td><td>UART transmit<\/td><\/tr><tr><td>12<\/td><td>CTS#<\/td><td>Clear to Send<\/td><\/tr><tr><td>13<\/td><td>RTS#<\/td><td>Request to Send<\/td><\/tr><tr><td>18<\/td><td>D+<\/td><td>USB data positive<\/td><\/tr><tr><td>19<\/td><td>D-<\/td><td>USB data negative<\/td><\/tr><tr><td>24<\/td><td>VIO<\/td><td>I\/O voltage (1.8V-VDD)<\/td><\/tr><\/table>","application_scenarios":"<ul><li>MCU debug UART-to-USB adapter<\/li><li>Legacy RS-232 device USB upgrade<\/li><li>IoT device programming interface<\/li><li>USB serial dongle<\/li><\/ul>","alternative_models":"<table><tr><th>Model<\/th><th>Manufacturer<\/th><th>Spec1<\/th><th>Spec2<\/th><\/tr><tr><td>CP2102N-A02-GQFN24<\/td><td>Silicon Labs<\/td><td>2Mbps<\/td><td>QFN-24<\/td><\/tr><tr><td>CH340G<\/td><td>WCH<\/td><td>2Mbps<\/td><td>SOP-16<\/td><\/tr><tr><td>FT232RQ<\/td><td>FTDI<\/td><td>3Mbps<\/td><td>QFN-32<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/9716","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/comments?post=9716"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/9716\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=9716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=9716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=9716"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=9716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}