Check the listing for details. ATSAMD21G18A-AU TQFP-48 SMART ARM Microcontroller Chip. Condition: New. Listed at 2.99 USD. 1PCS ATSAMD21G18A-AU TQFP-48 SMART ARM Microcontroller ChipProduct Category: ARM Microcontrollers - MCU Series: SAMD21 Mounting Style: SMD/SMT Package / Case: TQFP-48 Core: ARM Cortex M0+ Program Memory Size: 256 kB Data Bus Width: 32 bit ADC Resolution: 12 bit Maximum Clock Frequency: 48 MHz Number of I/Os: 38 I/O Data RAM Size: 32 kB Supply Voltage - Min: 1.62 V Supply Voltage - Max: 3.63 V Minimum Operating Temperature: - 40 C Maximum Operating Temperature: + 85 C Qualification: AEC-Q100 Packaging: Tray DAC Resolution: 10 bit Data RAM Type: SRAM Interface Type: I2C, I2S, LIN, SPI, USART Moisture Sensitive: Yes Number of ADC Channels: 14 Channel Number of Timers/Counters: 3 Timer Processor Series: SAMD21G Product: MCUs Product Type: ARM Microcontrollers - MCU Program Memory Type: Flash Unit Weight: 0.038801 oz We can provide more electronic products or electronic accessories ,like IC ,relay ,capacitor , battery ,cable ,PLC module , inverter ,touch screen etc ,any types you need , Please contact with us， will always try best for you ! thankyou so much ! We test/examine all the products before sent out. If you experience any problems, please contact us directly and we will do our best to resolve any issues. If you are not totally happy with our product, you can return it to us within 30 days from the date of purchase. Please note that the returned item must be in its original packaging with all accessories, and in the same condition as when you received it. We will gladly refund you the total amount less the Shipping & Handling costs. Most Countries Send By SpeekPAK, Other Countries (don't support SpeekPAK), We will Send By China Post Epack We appreciate your business!