{"product_id":"atmega324a-au","title":"ATMEGA324A-AU","description":"\u003cp\u003eThe Microchip ATMEGA324A-AU is a high-performance 8-bit AVR microcontroller designed for demanding embedded applications. Operating from 1.8V to 5.5V and up to 20MHz, it delivers 32KB flash memory and 2KB SRAM in a compact 44-TQFP package. Its rich peripheral set includes PWM, watchdog timer, and brown-out detection, making it a versatile choice for industrial and consumer electronics.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide voltage range (1.8V-5.5V):\u003c\/strong\u003e Enables flexible power supply design, from single-cell batteries to regulated 5V rails.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-speed 20MHz AVR core:\u003c\/strong\u003e Executes most instructions in a single clock cycle, maximizing throughput for time-critical tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated brown-out detection:\u003c\/strong\u003e Prevents data corruption during power dips, enhancing system reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact 44-TQFP package:\u003c\/strong\u003e Saves PCB space while providing ample I\/O for peripheral interfacing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIndustrial Automation Control\u003c\/h3\u003e\u003cp\u003eWith 20MHz speed and 32KB flash, the ATMEGA324A-AU handles real-time control loops for conveyor systems and robotic arms, ensuring precise timing and reliable operation in noisy environments.\u003c\/p\u003e\u003ch3\u003eSmart Sensor Nodes\u003c\/h3\u003e\u003cp\u003eIts low-voltage operation (1.8V) and multiple sleep modes make it ideal for battery-powered environmental sensors, enabling long-term field deployment without frequent battery changes.\u003c\/p\u003e\u003ch3\u003eAutomotive Aftermarket Modules\u003c\/h3\u003e\u003cp\u003eThe -40°C to 85°C temperature range and robust I\/O structure support automotive lighting control and window lift modules, providing stable performance under extreme conditions.\u003c\/p\u003e\u003ch3\u003ePortable Medical Devices\u003c\/h3\u003e\u003cp\u003eLow power consumption combined with 2KB SRAM allows for compact glucose meters and pulse oximeters, where efficient data processing and minimal heat generation are critical.\u003c\/p\u003e\u003ch3\u003eHVAC System Controllers\u003c\/h3\u003e\u003cp\u003eIntegrated PWM channels and watchdog timer enable precise motor speed control and fault detection in heating and cooling systems, improving energy efficiency and safety.\u003c\/p\u003e\u003ch3\u003eSecurity Keypads\u003c\/h3\u003e\u003cp\u003eThe 44-TQFP package and 32KB memory support complex encryption algorithms for access control panels, ensuring secure communication with central systems.\u003c\/p\u003e\u003ctable\u003e\n\u003ccolgroup\u003e\u003ccol\u003e\u003c\/colgroup\u003e \u003ctbody\u003e \u003ctr\u003e \t\u003ctd\u003eProduct attributes\u003c\/td\u003e \t\u003ctd\u003eProperty Value\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eManufacturer\u003c\/td\u003e \t\u003ctd\u003eMicrochip Technology\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003eAVR® ATmega\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackaging\u003c\/td\u003e \t\u003ctd\u003eTray | \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eCore Processor\u003c\/td\u003e \t\u003ctd\u003eAVR\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eCore Size\u003c\/td\u003e \t\u003ctd\u003e8-Bit\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSpeed\u003c\/td\u003e \t\u003ctd\u003e20MHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eConnectivity\u003c\/td\u003e \t\u003ctd\u003eI2C, SPI, UART\/USART\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePeripherals\u003c\/td\u003e \t\u003ctd\u003eBrown-out Detect\/Reset, POR, PWM, WDT\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eNumber of I\/O\u003c\/td\u003e \t\u003ctd\u003e32\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProgram Memory Size\u003c\/td\u003e \t\u003ctd\u003e32KB (16K x 16)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProgram Memory Type\u003c\/td\u003e \t\u003ctd\u003eFLASH\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eEEPROM Size\u003c\/td\u003e \t\u003ctd\u003e1K x 8\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eRAM Size\u003c\/td\u003e \t\u003ctd\u003e2K x 8\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply (Vcc\/Vdd)\u003c\/td\u003e \t\u003ctd\u003e1.8V ~ 5.5V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eData Converters\u003c\/td\u003e \t\u003ctd\u003eA\/D 8x10b\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOscillator Type\u003c\/td\u003e \t\u003ctd\u003eInternal\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOperating Temperature\u003c\/td\u003e \t\u003ctd\u003e-40°C ~ 85°C (TA)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eGrade\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eQualification AEC\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eMounting Type\u003c\/td\u003e \t\u003ctd\u003eSurface Mount\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e44-TQFP (10x10)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e44-TQFP\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e   \u003ctd\u003eROHS\u003c\/td\u003e   \u003ctd\u003e\u003cimg class=\"ROSHICON\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/ROHSICON.png?v=1757832376\"\u003e\u003c\/td\u003e  \u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cdl\u003e\n\u003cdt\u003eQ: What is the maximum operating frequency of the ATMEGA324A-AU?\u003c\/dt\u003e\n\u003cdd\u003eA: The ATMEGA324A-AU operates at up to 20MHz with a supply voltage range of 1.8V to 5.5V.\u003c\/dd\u003e\n\u003cdt\u003eQ: How much flash memory does this MCU have?\u003c\/dt\u003e\n\u003cdd\u003eA: It features 32KB of in-system programmable flash memory (16K x 16).\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is the ATMEGA324A-AU available in?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 44-pin TQFP package, suitable for compact PCB designs.\u003c\/dd\u003e\n\u003cdt\u003eQ: Does it include analog comparators?\u003c\/dt\u003e\n\u003cdd\u003eA: Yes, it includes an analog comparator, along with PWM, watchdog timer, and brown-out detection.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Microchip Technology","offers":[{"title":"Default Title","offer_id":50882587590945,"sku":"ATMEGA324A-AU","price":4.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_MCU_150_44A_A_44_023280fb-b0e0-447b-8af9-2c4284b95968.jpg?v=1739202423","url":"https:\/\/hqickey.com\/products\/atmega324a-au","provider":"HQICKEY","version":"1.0","type":"link"}