{"id":2919,"date":"2026-05-27T12:21:02","date_gmt":"2026-05-27T12:21:02","guid":{"rendered":"https:\/\/materialparts.com\/c8051f340-gq\/"},"modified":"2026-05-27T12:21:02","modified_gmt":"2026-05-27T12:21:02","slug":"c8051f340-gq","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/c8051f340-gq\/","title":{"rendered":"C8051F340-GQ"},"content":{"rendered":"

Productos<\/h2>\n

The C8051F340-GQ from Silicon Labs is a full-speed USB 2.0 mixed-signal 8051 MCU in a 48-TQFP (7x7mm) package. It features a 48 MIPS 8051 core, 64KB Flash, 4.25KB RAM, integrated USB transceiver with clock recovery, 10-bit 200ksps ADC with 20 channels, and on-chip debug, providing a single-chip USB solution requiring no external crystal or resistors.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
MCU Core<\/td>\nHigh-speed 8051 (pipelined)<\/td>\n<\/tr>\n
Max Clock Speed<\/td>\n48MHz (48 MIPS)<\/td>\n<\/tr>\n
Flash Memory<\/td>\n64 KB<\/td>\n<\/tr>\n
RAM<\/td>\n4352 bytes (256 + 4KB XRAM)<\/td>\n<\/tr>\n
USB<\/td>\n2.0 Full-speed (12Mbps) \/ Low-speed<\/td>\n<\/tr>\n
USB Endpoints<\/td>\n8 flexible (control + 7 data)<\/td>\n<\/tr>\n
USB Buffer<\/td>\n1KB dedicated FIFO RAM<\/td>\n<\/tr>\n
ADC<\/td>\n10-bit, 20-channel, 200 ksps<\/td>\n<\/tr>\n
Comparators<\/td>\n2<\/td>\n<\/tr>\n
Serial Interfaces<\/td>\nSMBus, SPI, 2x UART<\/td>\n<\/tr>\n
E\/S digitales<\/td>\n40 pins (5V tolerant)<\/td>\n<\/tr>\n
Temporizadores<\/td>\n4x 16-bit + PCA (5 modules)<\/td>\n<\/tr>\n
Tensi\u00f3n de alimentaci\u00f3n<\/td>\n2.7V to 5.25V (internal regulator)<\/td>\n<\/tr>\n
Paquete<\/td>\n48-TQFP (7 x 7mm)<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n-40\u00b0C to +85\u00b0C<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • Full-speed USB 2.0 with integrated transceiver<\/li>\n
  • On-chip clock recovery – no external crystal needed for USB<\/li>\n
  • 1KB dedicated USB FIFO buffer RAM<\/li>\n
  • 8 flexible USB endpoint pipes<\/li>\n
  • 10-bit 200 ksps ADC with 20 external inputs<\/li>\n
  • Built-in temperature sensor (\u00b13\u00b0C)<\/li>\n
  • Internal voltage reference<\/li>\n
  • 2 analog comparators<\/li>\n
  • On-chip debug (breakpoints, single-step, memory inspect)<\/li>\n
  • 5V tolerant digital I\/O<\/li>\n
  • Internal oscillator: 0.25% accuracy with clock recovery<\/li>\n
  • USBXpress development kit available<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • USB peripherals and custom USB devices<\/li>\n
    • Data acquisition with USB connectivity<\/li>\n
    • USB-based industrial instrumentation<\/li>\n
    • Medical device USB interfaces<\/li>\n
    • Embedded USB bridge and dongle applications<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The C8051F340-GQ from Silicon Labs is a full-speed USB 2.0 mixed-signal 8051 MCU in a 48-TQFP (7x7mm) package. It features a 48 MIPS 8051 core, 64KB Flash, 4.25KB RAM, integrated USB transceiver with clock recovery, 10-bit 200ksps ADC with 20 channels, and on-chip debug, providing a single-chip USB solution requiring no external crystal […]<\/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":[13,25],"tags":[],"chip_brand":[184],"class_list":["post-2919","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","chip_brand-silabs"],"acf":{"brief_explanation":"8051 USB 2.0 MCU, 48MIPS, 64KB Flash, 10-bit ADC, 40 I\/O, 48-TQFP","date_code":"","package_case":"48-TQFP (7 x 7 x 1.0mm)","in_stock":6685,"datasheet":"https:\/\/www.silabs.com\/documents\/public\/data-sheets\/C8051F34x.pdf","price":"$5.85 @ 1ku","product_introduction":"The C8051F340-GQ from Silicon Labs is a fully integrated mixed-signal System-on-Chip microcontroller featuring an on-board USB 2.0 function controller with integrated transceiver and on-chip clock recovery. No external resistors, crystal, voltage regulator, EEPROM, or other components are required for USB operation. The high-speed pipelined 8051 core achieves up to 48 MIPS throughput with 64KB Flash and 4.25KB RAM. On-chip analog peripherals include a 10-bit 200ksps ADC with 20 external inputs, internal voltage reference, temperature sensor, and two comparators.","working_principle":"The C8051F340 uses a pipelined 8051 core that executes 70% of instructions in 1-2 system clock cycles, achieving up to 48 MIPS at 48MHz. The USB function controller integrates a transceiver, Serial Interface Engine (SIE), and 1KB FIFO buffer RAM, handling USB protocol independently. On-chip clock recovery extracts the USB clock from incoming data, eliminating the need for an external crystal. The Crossbar architecture allows flexible mapping of digital peripherals (UART, SPI, SMBus, PCA, timers) to any of the 40 I\/O pins. The on-chip debug circuitry provides non-intrusive in-system debug with breakpoints and single-step capability via the C2 interface.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1-8<\/td>P0.0-P0.7<\/td>I\/O<\/td>Port 0: ADC \/ debug \/ VREF digital I\/O<\/td><\/tr>
      9-16<\/td>P1.0-P1.7<\/td>I\/O<\/td>Port 1: EMIF \/ external memory I\/O<\/td><\/tr>
      17-24<\/td>P2.0-P2.7<\/td>I\/O<\/td>Port 2: EMIF address bus I\/O<\/td><\/tr>
      25-32<\/td>P3.0-P3.7<\/td>I\/O<\/td>Port 3: EMIF \/ ADC input I\/O<\/td><\/tr>
      33-40<\/td>P4.0-P4.7<\/td>I\/O<\/td>Port 4: EMIF data bus I\/O<\/td><\/tr>
      41<\/td>REGIN<\/td>Power<\/td>Internal regulator input (5V)<\/td><\/tr>
      42<\/td>VDD<\/td>Power<\/td>Digital supply (2.7-3.6V)<\/td><\/tr>
      43<\/td>VBUS<\/td>Input<\/td>USB bus voltage detect<\/td><\/tr>
      44<\/td>D-<\/td>I\/O<\/td>USB data negative<\/td><\/tr>
      45<\/td>D+<\/td>I\/O<\/td>USB data positive<\/td><\/tr>
      46<\/td>GND<\/td>Power<\/td>Ground<\/td><\/tr><\/table>","application_scenarios":"
      • USB data acquisition modules with 10-bit ADC<\/li>
      • Custom USB HID devices for industrial control<\/li>
      • Medical instrumentation with USB connectivity<\/li>
      • USB-to-UART\/SPI bridge adapters<\/li>
      • Embedded USB dongles for authentication and licensing<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Silicon Labs<\/td>C8051F340-GM<\/td>QFP-48<\/td>Tape and reel version<\/td><\/tr>
        Silicon Labs<\/td>C8051F341-GQ<\/td>TQFP-48<\/td>32KB Flash variant<\/td><\/tr>
        Microchip<\/td>PIC18F45K50-I\/PT<\/td>TQFP-44<\/td>USB 2.0 8-bit MCU, 32KB Flash<\/td><\/tr>
        ST<\/td>STM32F103C8T6<\/td>LQFP-48<\/td>ARM Cortex-M3, USB 2.0 FS<\/td><\/tr>
        NXP<\/td>LPC11U37FBD48<\/td>LQFP-48<\/td>Cortex-M0, USB 2.0, 128KB Flash<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/2919","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=2919"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/2919\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=2919"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=2919"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=2919"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=2919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}