{"product_id":"atmega48a-mmhr","title":"ATMEGA48A-MMHR","description":"\u003cp\u003eThe ATMEGA48A-MMHR from Microchip Technology is an 8-bit AVR microcontroller with 4KB flash and 512 bytes SRAM. It operates at 20MHz with a supply range of 1.8V to 5.5V, packaged in a 28-pin VFQFN with exposed pad. The device integrates brown-out reset, power-on reset, PWM, and watchdog timer. Its low-voltage capability and compact package make it ideal for portable and battery-powered applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-Voltage Operation (1.8V):\u003c\/strong\u003e Extends battery life in portable devices by allowing operation down to near-end-of-life voltages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact VFQFN Package:\u003c\/strong\u003e Reduces PCB area for miniaturized consumer products.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20MHz Performance:\u003c\/strong\u003e Handles real-time tasks like sensor sampling and communication protocols efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Brown-out Reset:\u003c\/strong\u003e Ensures stable startup and shutdown in fluctuating power environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eConsumer Electronics Remote Controls\u003c\/h3\u003e\u003cp\u003eThe 1.8V minimum supply allows direct battery operation, while PWM drives IR LEDs for communication.\u003c\/p\u003e\u003ch3\u003eSensor Nodes in Agriculture\u003c\/h3\u003e\u003cp\u003eLow power consumption and 20MHz speed enable soil moisture monitoring with periodic sleep cycles.\u003c\/p\u003e\u003ch3\u003eMotor Control in Drones\u003c\/h3\u003e\u003cp\u003eIts PWM outputs and compact VFQFN package fit into small ESC boards for brushless motor control.\u003c\/p\u003e\u003ch3\u003eWearable Fitness Trackers\u003c\/h3\u003e\u003cp\u003eThe 1.8V operation and small footprint support step counting and heart-rate monitoring in wristbands.\u003c\/p\u003e\u003ch3\u003eHome Automation Relays\u003c\/h3\u003e\u003cp\u003eWith 4KB flash, it manages relay timing and status feedback in smart plugs and switches.\u003c\/p\u003e\u003ch3\u003eEducational Robotics Kits\u003c\/h3\u003e\u003cp\u003eIts ease of programming and robust I\/O make it a staple for hobbyist robot controllers.\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\u003e23\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProgram Memory Size\u003c\/td\u003e \t\u003ctd\u003e4KB (2K 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\u003e256 x 8\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eRAM Size\u003c\/td\u003e \t\u003ctd\u003e512 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\u003e28-VQFN (4x4)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e28-VFQFN Exposed Pad\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e\n\u003c\/table\u003e\u003cdl\u003e\n\u003cdt\u003eQ: What is the supply voltage range?\u003c\/dt\u003e\n\u003cdd\u003eA: The ATMEGA48A-MMHR operates from 1.8V to 5.5V, supporting low-voltage and standard 5V systems.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the maximum CPU speed?\u003c\/dt\u003e\n\u003cdd\u003eA: It runs at up to 20MHz, offering good performance for 8-bit applications.\u003c\/dd\u003e\n\u003cdt\u003eQ: How much flash and RAM are included?\u003c\/dt\u003e\n\u003cdd\u003eA: It has 4KB of flash (2K x 16-bit) and 512 bytes of SRAM, suitable for small to medium firmware.\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is this?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 28-pin VFQFN exposed pad package, ideal for space-saving PCB layouts.\u003c\/dd\u003e\n\u003cdt\u003eQ: Does it have brown-out detection?\u003c\/dt\u003e\n\u003cdd\u003eA: Yes, it includes Brown-out Detect\/Reset, POR, PWM, and WDT for reliable operation.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Microchip Technology","offers":[{"title":"Default Title","offer_id":50884362993953,"sku":"ATMEGA48A-MMHR","price":1.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_MCU_150_28M1_MM_28_88453031-2a55-4a70-bf89-81f090a496a9.jpg?v=1739258749","url":"https:\/\/hqickey.com\/products\/atmega48a-mmhr","provider":"HQICKEY","version":"1.0","type":"link"}