{"product_id":"atmega324pa-au","title":"ATMEGA324PA-AU","description":"\u003cp\u003eThe Microchip ATMEGA324PA-AU is a high-performance 8-bit AVR microcontroller with 32KB flash memory and 2KB SRAM. Operating from 1.8V to 5.5V and up to 20MHz, it integrates brown-out detection, power-on reset, PWM channels, and a watchdog timer. Housed in a compact 44-TQFP package, it suits industrial and consumer applications requiring robust I\/O and low power consumption.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWide voltage range (1.8V-5.5V) simplifies power supply design and supports battery operation.\u003c\/li\u003e\n\u003cli\u003e20MHz performance with AVR core delivers efficient single-cycle instruction execution.\u003c\/li\u003e\n\u003cli\u003eIntegrated brown-out detection and watchdog timer enhance system reliability in harsh environments.\u003c\/li\u003e\n\u003cli\u003e44-pin TQFP package balances I\/O count with small footprint for space-constrained PCBs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIndustrial Control Systems\u003c\/h3\u003e\u003cp\u003eWith 32KB flash and 2KB SRAM, the ATMEGA324PA-AU handles complex control loops and sensor interfacing in PLCs and motor controllers, operating reliably across -40°C to 85°C.\u003c\/p\u003e\u003ch3\u003eAutomotive Aftermarket Modules\u003c\/h3\u003e\u003cp\u003eIts 1.8V-5.5V supply range allows direct connection to automotive battery systems without complex level shifting, simplifying CAN\/LIN gateway designs.\u003c\/p\u003e\u003ch3\u003eSmart Sensor Nodes\u003c\/h3\u003e\u003cp\u003eThe integrated PWM and analog comparators enable precise signal conditioning for temperature, pressure, and flow sensors in IoT edge devices.\u003c\/p\u003e\u003ch3\u003eBattery-Powered Medical Devices\u003c\/h3\u003e\u003cp\u003eLow-power sleep modes and wide voltage tolerance extend battery life in portable glucose meters and pulse oximeters.\u003c\/p\u003e\u003ch3\u003eHome Automation Hubs\u003c\/h3\u003e\u003cp\u003eMultiple communication interfaces (UART, SPI, I2C) allow seamless integration with Zigbee, Z-Wave, and Wi-Fi modules for smart home controllers.\u003c\/p\u003e\u003ch3\u003eData Logging Equipment\u003c\/h3\u003e\u003cp\u003eThe 2KB SRAM buffers sensor data before writing to external EEPROM or SD cards, while the WDT ensures recovery from software hangs in remote logging stations.\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 clock speed of the ATMEGA324PA-AU?\u003c\/dt\u003e\n\u003cdd\u003eA: The ATMEGA324PA-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 bits).\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is the ATMEGA324PA-AU available in?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 44-pin TQFP package, suitable for surface-mount assembly.\u003c\/dd\u003e\n\u003cdt\u003eQ: Does it include a watchdog timer?\u003c\/dt\u003e\n\u003cdd\u003eA: Yes, it includes a Watchdog Timer (WDT) along with Brown-out Detection and Power-on Reset.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Microchip Technology","offers":[{"title":"Default Title","offer_id":50884021092641,"sku":"ATMEGA324PA-AU","price":4.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_MCU_150_44A_A_44_b0399d59-4e8b-4d7f-9dc1-96e702a9d3bc.jpg?v=1739252827","url":"https:\/\/hqickey.com\/products\/atmega324pa-au","provider":"HQICKEY","version":"1.0","type":"link"}