{"product_id":"atsamd21g18a-af","title":"ATSAMD21G18A-AF","description":"\u003cp\u003eThe Microchip ATSAMD21G18A-AF is an ARM Cortex-M0+ MCU in a 48-TQFP package. Running at 48MHz with 256KB flash and 32KB RAM, it operates from 1.62V to 3.6V and supports -40°C to 125°C. Features include DMA, I2S, PWM, brown-out detection, and WDT, making it versatile for industrial and automotive applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWide temperature range (-40°C to 125°C): Suitable for automotive and industrial.\u003c\/li\u003e\n\u003cli\u003eI2S interface: Enables direct audio codec connection.\u003c\/li\u003e\n\u003cli\u003eLow voltage operation (1.62V): Extends battery life.\u003c\/li\u003e\n\u003cli\u003e48-TQFP package: Good pin count for peripheral-rich designs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAutomotive Interior Lighting\u003c\/h3\u003e\u003cp\u003eThe 125°C rating allows placement near hot LED drivers, while PWM controls color and brightness.\u003c\/p\u003e\u003ch3\u003eIndustrial IoT Gateways\u003c\/h3\u003e\u003cp\u003eCortex-M0+ at 48MHz handles protocol stacks, and DMA offloads UART\/SPI traffic.\u003c\/p\u003e\u003ch3\u003eAudio Processing Modules\u003c\/h3\u003e\u003cp\u003eI2S interface connects directly to codecs for voice prompts in kiosks and vending machines.\u003c\/p\u003e\u003ch3\u003eSmart Sensors\u003c\/h3\u003e\u003cp\u003e32KB RAM buffers sensor data, and the wide temperature range supports outdoor installations.\u003c\/p\u003e\u003ch3\u003ePortable Data Loggers\u003c\/h3\u003e\u003cp\u003eLow-power sleep modes and 1.62V operation extend battery life in remote monitoring.\u003c\/p\u003e\u003ch3\u003eHuman-Machine Interfaces\u003c\/h3\u003e\u003cp\u003eWith 256KB flash, it can store graphics assets for small TFT displays.\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\u003eSAM D21G, Functional Safety (FuSa)\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®-M0+\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\u003e48MHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eConnectivity\u003c\/td\u003e \t\u003ctd\u003eI2C, LINbus, SPI, 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\u003e38\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\u003e32K 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 14x12b; D\/A 1x10b\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 ~ 125°C (TA)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eGrade\u003c\/td\u003e \t\u003ctd\u003eAutomotive\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eQualification AEC\u003c\/td\u003e \t\u003ctd\u003eAEC-Q100\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-TQFP (7x7)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e48-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 core does the ATSAMD21G18A-AF use?\u003c\/dt\u003e\n\u003cdd\u003eA: It is based on the ARM Cortex-M0+ processor running at 48MHz.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the temperature range?\u003c\/dt\u003e\n\u003cdd\u003eA: It operates from -40°C to 125°C, suitable for harsh environments.\u003c\/dd\u003e\n\u003cdt\u003eQ: How much flash and RAM does it have?\u003c\/dt\u003e\n\u003cdd\u003eA: It provides 256KB flash and 32KB RAM.\u003c\/dd\u003e\n\u003cdt\u003eQ: Does it support audio interfaces?\u003c\/dt\u003e\n\u003cdd\u003eA: Yes, it includes an I2S peripheral for digital audio.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Microchip Technology","offers":[{"title":"Default Title","offer_id":50882575696161,"sku":"ATSAMD21G18A-AF","price":4.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_MCU_150_48TQFP-1_2-7x7_A_48_ea2de538-e821-4d26-b3c8-7e6b97971304.jpg?v=1739202364","url":"https:\/\/hqickey.com\/products\/atsamd21g18a-af","provider":"HQICKEY","version":"1.0","type":"link"}