{"product_id":"atmega32u4-au-8-bit-avr-microcontroller-with-native-usb-tqfp-44-smd-package","title":"ATMEGA32U4-AU (8-Bit AVR Microcontroller with Native USB - TQFP-44 SMD Package)","description":"\u003cp data-path-to-node=\"5\"\u003eWhen your project needs to talk directly to a computer without jumping through hoops, the \u003cb data-path-to-node=\"5\" data-index-in-node=\"90\"\u003eATMEGA32U4-AU\u003c\/b\u003e is the microcontroller you want on your board. What sets this chip entirely apart from the standard ATmega328P is its massive killer feature: a built-in, full-speed USB 2.0 transceiver. This completely eliminates the need to include a separate, external USB-to-Serial converter chip (like an FT232RL or CH340) in your circuit. By handling USB communication natively, it saves valuable PCB real estate, reduces your Bill of Materials (BOM), and allows the chip to natively emulate standard Human Interface Devices (HID).\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eHoused in a 44-pin Thin Quad Flat Package (TQFP), this surface-mount IC offers a highly forgiving 0.8mm pin pitch that is well within the realm of hand-soldering for DIY prototypes, yet perfectly suited for automated pick-and-place production runs. As the silicon heart of the wildly popular Arduino Leonardo and Pro Micro development boards, it benefits from massive community support and drop-in code libraries, making it incredibly easy to program as a custom mouse, macro keyboard, or MIDI controller right out of the box.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eKey Features \u0026amp; Functional Advantages:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003eNative USB 2.0 Interface:\u003c\/b\u003e Plugs straight into a PC and can instantly act as a virtual COM port, a standard HID keyboard\/mouse, or a plug-and-play MIDI device without requiring custom PC drivers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003eStreamlined BOM:\u003c\/b\u003e By removing the need for a secondary USB-to-UART bridge chip, your PCB designs become smaller, cheaper, and less complex to route.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb data-path-to-node=\"8,2,0\" data-index-in-node=\"0\"\u003eDifferential ADC Channels:\u003c\/b\u003e Unlike basic AVRs, the 32U4 features a programmable gain stage and differential analog inputs, making it far superior for reading raw, unamplified signals from audio sensors or load cells.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\"\u003e\u003cb data-path-to-node=\"8,3,0\" data-index-in-node=\"0\"\u003eGenerous Memory Footprint:\u003c\/b\u003e Comes equipped with 32KB of Flash memory and 2.5KB of SRAM, providing plenty of overhead for complex USB descriptor libraries and demanding C\/C++ firmware.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,4,0\"\u003e\u003cb data-path-to-node=\"8,4,0\" data-index-in-node=\"0\"\u003eHardware Multiplier:\u003c\/b\u003e Features a built-in 2-cycle hardware multiplier, significantly speeding up math-heavy operations and sensor data processing compared to older 8-bit chips.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003ePerfect For:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eCustom PC Peripherals:\u003c\/b\u003e The absolute go-to processor for designing custom mechanical keyboards, macro-pads, flight simulator panels, and arcade joystick controllers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eDIY MIDI Instruments:\u003c\/b\u003e Flawlessly handles the timing and USB protocol required to build custom DJ mixers, synthesizer keyboards, and digital drum kits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003eArduino-Compatible PCB Design:\u003c\/b\u003e The perfect chip for migrating a breadboarded \"Pro Micro\" project onto a professional, single-board surface-mount design.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003e\u003cb data-path-to-node=\"10,3,0\" data-index-in-node=\"0\"\u003eHardware Dongles \u0026amp; Security Keys:\u003c\/b\u003e Easily programmed to act as a secure, standalone USB dongle for automated password injection or script execution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003eCore Processor:\u003c\/b\u003e 8-Bit AVR RISC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e\u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003eMaximum Clock Speed:\u003c\/b\u003e 16 MHz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003e\u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"0\"\u003eProgram Memory (Flash):\u003c\/b\u003e 32 KB (Note: 4KB is typically reserved if using a standard bootloader)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,3,0\"\u003e\u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"0\"\u003eSRAM:\u003c\/b\u003e 2.5 KB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,4,0\"\u003e\u003cb data-path-to-node=\"12,4,0\" data-index-in-node=\"0\"\u003eEEPROM:\u003c\/b\u003e 1 KB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,5,0\"\u003e\u003cb data-path-to-node=\"12,5,0\" data-index-in-node=\"0\"\u003eOperating Voltage Range:\u003c\/b\u003e 2.7V – 5.5V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,6,0\"\u003e\u003cb data-path-to-node=\"12,6,0\" data-index-in-node=\"0\"\u003eTotal I\/O Pins:\u003c\/b\u003e 26\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,7,0\"\u003e\u003cb data-path-to-node=\"12,7,0\" data-index-in-node=\"0\"\u003eAnalog-to-Digital Converter (ADC):\u003c\/b\u003e 12 Channels, 10-bit resolution (Includes differential channels with programmable gain)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,8,0\"\u003e\u003cb data-path-to-node=\"12,8,0\" data-index-in-node=\"0\"\u003eCommunication Interfaces:\u003c\/b\u003e 1 x Native USB 2.0 (Full Speed), 1 x UART\/USART, 1 x SPI, 1 x I2C (Two-Wire Interface)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,9,0\"\u003e\u003cb data-path-to-node=\"12,9,0\" data-index-in-node=\"0\"\u003ePackage \/ Case:\u003c\/b\u003e 44-TQFP (Thin Quad Flat Package)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,10,0\"\u003e\u003cb data-path-to-node=\"12,10,0\" data-index-in-node=\"0\"\u003eMounting Type:\u003c\/b\u003e Surface Mount (SMD\/SMT)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,11,0\"\u003e\u003cb data-path-to-node=\"12,11,0\" data-index-in-node=\"0\"\u003eOperating Temperature:\u003c\/b\u003e -40°C to 85°C (Industrial)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K-TECHNICS","offers":[{"title":"Default Title","offer_id":42860782059591,"sku":null,"price":0.0,"currency_code":"KES","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/7637\/2039\/files\/atmega32u4-1000x1000.jpg?v=1780985412","url":"https:\/\/www.ktechnics.com\/products\/atmega32u4-au-8-bit-avr-microcontroller-with-native-usb-tqfp-44-smd-package","provider":"K-TECHNICS","version":"1.0","type":"link"}