{"product_id":"atsam3s4aa-mu","title":"ATSAM3S4AA-MU","description":"\u003cp\u003eThe Microchip ATSAM3S4AA-MU is a 32-bit microcontroller based on the ARM Cortex-M3 core, operating at up to 64 MHz. It provides 256KB flash and 48KB RAM, with peripherals including DMA, I2S, PWM, and WDT. Packaged in a 48-VFQFN with exposed pad, it operates from 1.62V to 3.6V and across -40°C to +85°C, ideal for low-power and space-constrained applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low Voltage Operation:\u003c\/strong\u003e 1.62V minimum enables direct battery operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Flash:\u003c\/strong\u003e 256KB supports complex firmware and OTA updates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRich Analog\/Peripheral Set:\u003c\/strong\u003e DMA, I2S, PWM for versatile designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExposed Pad Package:\u003c\/strong\u003e 48-VFQFN improves thermal dissipation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePortable Consumer Electronics\u003c\/h3\u003e\u003cp\u003eLow voltage operation (1.62V) and 64 MHz performance suit smartwatches and fitness trackers.\u003c\/p\u003e\u003ch3\u003eIndustrial Sensors\u003c\/h3\u003e\u003cp\u003eDMA and PWM enable precise data acquisition and actuator control in pressure and flow sensors.\u003c\/p\u003e\u003ch3\u003eMedical Devices\u003c\/h3\u003e\u003cp\u003eWith 256KB flash, it supports complex algorithms for glucose meters and infusion pumps.\u003c\/p\u003e\u003ch3\u003eIoT Edge Nodes\u003c\/h3\u003e\u003cp\u003eLow power and rich peripherals make it ideal for battery-powered environmental monitoring.\u003c\/p\u003e\u003ch3\u003eMotor Control\u003c\/h3\u003e\u003cp\u003ePWM and fast ADC handle BLDC motor commutation in drones and small appliances.\u003c\/p\u003e\u003ch3\u003eSmart Home\u003c\/h3\u003e\u003cp\u003eI2S and DMA support voice recognition in smart speakers and home automation hubs.\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\u003eSAM3S\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\u003eARM® Cortex®-M3\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eCore Size\u003c\/td\u003e \t\u003ctd\u003e32-Bit Single-Core\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSpeed\u003c\/td\u003e \t\u003ctd\u003e64MHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eConnectivity\u003c\/td\u003e \t\u003ctd\u003eI2C, MMC, SPI, SSC, UART\/USART, USB\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePeripherals\u003c\/td\u003e \t\u003ctd\u003eBrown-out Detect\/Reset, DMA, I2S, POR, PWM, WDT\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eNumber of I\/O\u003c\/td\u003e \t\u003ctd\u003e34\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProgram Memory Size\u003c\/td\u003e \t\u003ctd\u003e256KB (256K x 8)\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\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eRAM Size\u003c\/td\u003e \t\u003ctd\u003e48K x 8\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply (Vcc\/Vdd)\u003c\/td\u003e \t\u003ctd\u003e1.62V ~ 3.6V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eData Converters\u003c\/td\u003e \t\u003ctd\u003eA\/D 8x10\/12b\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\u003e48-QFN (7x7)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e48-VFQFN Exposed Pad\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 core does the ATSAM3S4AA-MU use?\u003c\/dt\u003e\n\u003cdd\u003eA: It uses an ARM Cortex-M3 core running at up to 64 MHz.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the supply voltage range?\u003c\/dt\u003e\n\u003cdd\u003eA: It operates from 1.62V to 3.6V, supporting low-power 1.8V logic.\u003c\/dd\u003e\n\u003cdt\u003eQ: How much flash and RAM does it have?\u003c\/dt\u003e\n\u003cdd\u003eA: It has 256KB flash and 48KB RAM.\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is available?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 48-VFQFN package with exposed pad for thermal management.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the operating temperature range?\u003c\/dt\u003e\n\u003cdd\u003eA: It is rated for -40°C to +85°C.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Microchip Technology","offers":[{"title":"Default Title","offer_id":50883434545441,"sku":"ATSAM3S4AA-MU","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_MCU_150_48QFN-_90-7X7_48_023657f3-929b-4a3d-8082-2ed97a700370.jpg?v=1739237559","url":"https:\/\/hqickey.com\/products\/atsam3s4aa-mu","provider":"HQICKEY","version":"1.0","type":"link"}