{"product_id":"at91m40800-33au","title":"AT91M40800-33AU","description":"\u003cp\u003eThe AT91M40800-33AU from Microchip is a classic 32-bit microcontroller based on the ARM7TDMI core. Operating at 33 MHz, it provides a balanced solution for cost-sensitive applications. It features 8KB of SRAM and supports a supply voltage range of 1.8V to 3.6V. Its 100-LQFP package and industrial temperature range make it a reliable choice for a variety of embedded control tasks.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-Effective:\u003c\/strong\u003e The ARM7 core provides 32-bit performance at a competitive price point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Power:\u003c\/strong\u003e Designed for efficiency, it is suitable for battery-powered applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple Architecture:\u003c\/strong\u003e Easy to program and debug, reducing development time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProven Reliability:\u003c\/strong\u003e A mature and well-documented platform with long-term availability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eLegacy Industrial Controllers\u003c\/h3\u003e\u003cp\u003eThe ARM7 core at 33MHz is sufficient for basic PLC and process control logic, providing a cost-effective upgrade path for older 8-bit designs.\u003c\/p\u003e\u003ch3\u003eSimple Data Loggers\u003c\/h3\u003e\u003cp\u003eWith its low power consumption and 8KB RAM, it can buffer sensor data for extended periods in remote monitoring stations.\u003c\/p\u003e\u003ch3\u003ePoint-of-Sale Terminals\u003c\/h3\u003e\u003cp\u003eIts robust UART and SPI interfaces allow for connection to barcode scanners and thermal printers in basic POS systems.\u003c\/p\u003e\u003ch3\u003eMotor Control (Basic)\u003c\/h3\u003e\u003cp\u003eThe PWM outputs and watchdog timer enable simple DC motor speed control in appliances and toys.\u003c\/p\u003e\u003ch3\u003eTelecommunication Equipment\u003c\/h3\u003e\u003cp\u003eIts reliable operation and wide voltage range make it suitable for line cards and base station control modules.\u003c\/p\u003e\u003ch3\u003eEducational Kits\u003c\/h3\u003e\u003cp\u003eThe simple architecture and ample documentation make it an excellent choice for teaching embedded systems fundamentals.\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\u003eAT91\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\u003eARM7®\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eCore Size\u003c\/td\u003e \t\u003ctd\u003e16\/32-Bit\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSpeed\u003c\/td\u003e \t\u003ctd\u003e33MHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eConnectivity\u003c\/td\u003e \t\u003ctd\u003eEBI\/EMI, UART\/USART\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePeripherals\u003c\/td\u003e \t\u003ctd\u003ePOR, 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\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProgram Memory Type\u003c\/td\u003e \t\u003ctd\u003eROMless\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eEEPROM Size\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eRAM Size\u003c\/td\u003e \t\u003ctd\u003e8K x 8\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply (Vcc\/Vdd)\u003c\/td\u003e \t\u003ctd\u003e1.8V ~ 3.6V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eData Converters\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOscillator Type\u003c\/td\u003e \t\u003ctd\u003eExternal\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\u003e100-LQFP (14x14)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e100-LQFP\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 processor core is used in the AT91M40800-33AU?\u003c\/dt\u003e\n\u003cdd\u003eA: It uses the ARM7TDMI core.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the maximum clock speed?\u003c\/dt\u003e\n\u003cdd\u003eA: It operates at up to 33 MHz.\u003c\/dd\u003e\n\u003cdt\u003eQ: How much RAM does it have?\u003c\/dt\u003e\n\u003cdd\u003eA: It includes 8KB of SRAM.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the supply voltage range?\u003c\/dt\u003e\n\u003cdd\u003eA: It operates from 1.8V to 3.6V.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Microchip Technology","offers":[{"title":"Default Title","offer_id":50884526440737,"sku":"AT91M40800-33AU","price":7.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_MCU_150_100LQFP-1.6-14X14_A_100_adcd213b-556b-4889-95f4-075c225f0db6.jpg?v=1739262544","url":"https:\/\/hqickey.com\/products\/at91m40800-33au","provider":"HQICKEY","version":"1.0","type":"link"}