{"product_id":"atmega644a-aur","title":"ATMEGA644A-AUR","description":"\u003cp\u003eThe ATMEGA644A-AUR is an 8-bit AVR microcontroller from Microchip Technology, offering 64 KB of flash memory and 4 KB of SRAM. It operates at speeds up to 20 MHz and supports a wide supply voltage from 1.8V to 5.5V. Housed in a 44-pin TQFP package, it provides a balanced set of peripherals including PWM, watchdog timer, and brown-out detection for reliable embedded control applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Voltage Flexibility:\u003c\/strong\u003e 1.8V to 5.5V operation allows direct interfacing with both 3.3V and 5V logic without level shifters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Flash Memory:\u003c\/strong\u003e 64 KB of flash provides ample space for complex firmware and bootloaders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e Multiple sleep modes enable battery-powered designs with extended operational life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProven AVR Architecture:\u003c\/strong\u003e Simple instruction set and rich ecosystem accelerate development cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEmbedded Control Panels\u003c\/h3\u003e\u003cp\u003eThe 64 KB flash and 4 KB SRAM allow for complex user interface logic with multiple I\/O pins, suitable for industrial control panels with LCD and keypad interfaces.\u003c\/p\u003e\u003ch3\u003eData Logging Systems\u003c\/h3\u003e\u003cp\u003eWith its low power consumption and wide voltage range, it can log sensor data over long periods in remote environmental monitoring stations.\u003c\/p\u003e\u003ch3\u003eAutomotive Body Electronics\u003c\/h3\u003e\u003cp\u003eOperating at 5V and with robust I\/O, it can handle window lift controls, mirror adjustment, and seat memory functions in automotive body modules.\u003c\/p\u003e\u003ch3\u003eSmart Home Gateways\u003c\/h3\u003e\u003cp\u003eThe AVR core with PWM and UART interfaces can manage Zigbee or Z-Wave communication protocols in smart home hub designs.\u003c\/p\u003e\u003ch3\u003eMedical Monitoring Devices\u003c\/h3\u003e\u003cp\u003eIts reliability and low-power sleep modes make it suitable for portable patient monitors that require long battery life and consistent performance.\u003c\/p\u003e\u003ch3\u003eAgricultural Automation\u003c\/h3\u003e\u003cp\u003eIn irrigation controllers, the ATMEGA644A-AUR can manage multiple solenoid valves and read soil moisture sensors with its analog comparators.\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\u003eCut Tape (CT) | Tape \u0026amp; Reel (TR)\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\u003e64KB (32K 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\u003e2K x 8\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eRAM Size\u003c\/td\u003e \t\u003ctd\u003e4K 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\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 core architecture of the ATMEGA644A-AUR?\u003c\/dt\u003e\n\u003cdd\u003eA: It uses the 8-bit AVR core from Microchip, running at up to 20 MHz.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the program memory size?\u003c\/dt\u003e\n\u003cdd\u003eA: It has 64 KB of in-system programmable flash memory.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the operating voltage range?\u003c\/dt\u003e\n\u003cdd\u003eA: It operates from 1.8V to 5.5V, making it versatile for various power supplies.\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is this variant?\u003c\/dt\u003e\n\u003cdd\u003eA: It is available in a 44-pin TQFP package.\u003c\/dd\u003e\n\u003cdt\u003eQ: Does it have a brown-out detector?\u003c\/dt\u003e\n\u003cdd\u003eA: Yes, it includes a programmable brown-out detection circuit for reliable reset.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Microchip Technology","offers":[{"title":"Default Title","offer_id":50999379689761,"sku":"ATMEGA644A-AUR","price":5.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_MCU_150_44A_A_44_3d90a27a-6b3b-4054-af6d-3d43394f743b.jpg?v=1741156742","url":"https:\/\/hqickey.com\/de\/products\/atmega644a-aur","provider":"HQICKEY","version":"1.0","type":"link"}