{"product_id":"atmega1284p-au-8-bit-avr-microcontroller-44-tqfp-smd-package","title":"ATMEGA1284P-AU (8-Bit AVR Microcontroller - 44-TQFP SMD Package)","description":"\u003cp data-path-to-node=\"5\"\u003eWhen your custom PCB design requires the simplicity and robust 5V tolerance of an 8-bit AVR, but you have completely exhausted the memory and I\/O limits of the ATmega328P, the \u003cb data-path-to-node=\"5\" data-index-in-node=\"176\"\u003eATMEGA1284P-AU\u003c\/b\u003e is the ultimate drop-in upgrade. Affectionately known in the hardware community as the \"MightyCore,\" this chip delivers a colossal 128KB of Flash memory and an enormous 16KB of SRAM. This provides incredible headroom for compiling heavy libraries, buffering massive graphics for TFT displays, or managing complex communication stacks.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eThe \"-AU\" designation signifies that this powerhouse is housed in a compact \u003cb data-path-to-node=\"6\" data-index-in-node=\"76\"\u003e44-pin Thin Quad Flat Package (TQFP)\u003c\/b\u003e. Unlike its massive, breadboard-hogging DIP-40 sibling, this surface-mount package is highly optimized for custom, space-constrained circuit boards. It features a forgiving 0.8mm pin pitch that is perfectly suited for automated pick-and-place manufacturing while remaining entirely manageable for skilled hand-soldering. With 32 programmable I\/O pins, an integrated JTAG interface for live debugging, and dual hardware UARTs, it is the undisputed king of high-end 8-bit project boards.\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\"\u003eMassive Memory Reserves:\u003c\/b\u003e Features 128KB of Flash and an unparalleled 16KB of SRAM (eight times the RAM of an Arduino Uno), effortlessly handling heavy data arrays, JSON parsing, and RTOS implementations.\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\"\u003eDual Hardware UARTs:\u003c\/b\u003e Equipped with two completely independent hardware serial ports, making it trivial to simultaneously communicate with a PC and a secondary serial device (like a GPS module, Wi-Fi modem, or Nextion display) without software serial bottlenecks.\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\"\u003eCompact TQFP-44 Package:\u003c\/b\u003e Significantly reduces your required PCB real estate compared to the through-hole version, allowing for sleek, professional device enclosures.\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\"\u003eIntegrated JTAG Interface:\u003c\/b\u003e Unlike smaller AVR chips, the 1284P features a dedicated JTAG port (IEEE 1149.1 compliant) for extensive on-chip debugging and boundary-scan testing during prototype development.\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\"\u003eRobust 5V Architecture:\u003c\/b\u003e Natively supports 5V logic across all of its 32 I\/O pins, completely eliminating the need for logic level shifters when interfacing with classic industrial sensors and relays.\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 IoT Gateways:\u003c\/b\u003e The ultimate 8-bit controller for smart home hubs, utilizing the dual hardware UARTs to manage both a local sensor network and an external ESP32 or cellular modem.\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\"\u003eAdvanced 3D Printer Controllers:\u003c\/b\u003e Historically heavily utilized as the main processor for reliable, 8-bit 3D printer motherboards (such as the Melzi board) due to its high pin count and memory.\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\"\u003eHeavy Data-Logging Hardware:\u003c\/b\u003e The massive 16KB SRAM buffer is perfect for accumulating high-speed, multi-channel sensor data before writing it in large blocks to an SD card to prevent data loss.\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\"\u003e\"MightyCore\" Custom PCBs:\u003c\/b\u003e Fully compatible with the popular third-party \"MightyCore\" Arduino framework, allowing you to scale your favorite Arduino code up to a massive, professional-grade circuit board.\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 (PicoPower)\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 20 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 128 KB\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 16 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 4 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 1.8V – 5.5V (Note: High-speed 16-20MHz operation requires 4.5V+)\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 32\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 8 Channels, 10-bit resolution\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 2 x UART\/USART, 1 x SPI, 1 x I2C (Two-Wire Interface), 1 x JTAG\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\"\u003eHardware Timers:\u003c\/b\u003e Four total (Two 8-bit, Two 16-bit)\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\"\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=\"12,11,0\"\u003e\u003cb data-path-to-node=\"12,11,0\" 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=\"12,12,0\"\u003e\u003cb data-path-to-node=\"12,12,0\" 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":42860788908103,"sku":null,"price":0.0,"currency_code":"KES","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/7637\/2039\/files\/ATMEGA1284P-AU-1000x1000w.jpg?v=1780986049","url":"https:\/\/www.ktechnics.com\/products\/atmega1284p-au-8-bit-avr-microcontroller-44-tqfp-smd-package","provider":"K-TECHNICS","version":"1.0","type":"link"}