Reduced PriceOffersContact UsHelpTrack Orders
Home
Login
Register
My Account
0
0 ItemsHK$0.00
  • All Products
    • Manufacturers
    • Popular Manufacturers
      INFINEON
      STMICROELECTRONICS
      KEMET
      PANASONIC
      AMPHENOL
      ALPHAWIRE
      OMEGA
      NI
      TEKTRONIX
      TE CONNECTIVITY
      LITTELFUSE
      RASPBERRY PI
      View All Manufacturers
      MULTICOMP PRO

      The Engineer's Choice

      From prototype to production

      Learn More

      ACCESS ASSEMBLE ASPIRE

      The right components for tomorrow's success

      Learn More
      • Resources
      • Services
        • Custom Components
        • Purchasing & Procurement support
        • Design Resources
        • Production & Contract Manufacturing Services
        • Education Hub
        • Education Kits
        • Facilitates & Operation Support
        • Packaging Solutions
        View All Services
        Technical Resources
        • Security & Surveillance
        • Healthcare
        • Industrial Automation
        • OEM Solutions
        • EV Charging
        • Internet of Things
        • Artificial Intelligence
        • Maintenance & Safety
        • Wireless Technology
        • Sensor Technology
        • Power Management
        • Embedded Hub
        • 3D Printing Solutions
        • Engineering Glossary
        • Calculators & Charts
        • Selector Tools & Catalogues
        • Software Offer
        View All Tech Resources
        Help
        • Contact Us
        • New To element14
        • Technical Support
        • Delivery Information
        • Legislation and Environmental
        • FAQ's
        • Feedback
        View All Help
        • Back to Resources
        • Services
          • Back to Services
          • Custom Components
            • Purchasing & Procurement support
              • Design Resources
                • Production & Contract Manufacturing Services
                  • Education Hub
                    • Education Kits
                      • Facilitates & Operation Support
                        • Packaging Solutions
                          • View All Services
                          • Technical Resources
                            • Back to Technical Resources
                            • Security & Surveillance
                              • Healthcare
                                • Industrial Automation
                                  • OEM Solutions
                                    • EV Charging
                                      • Internet of Things
                                        • Artificial Intelligence
                                          • Maintenance & Safety
                                            • Wireless Technology
                                              • Sensor Technology
                                                • Power Management
                                                  • Embedded Hub
                                                    • 3D Printing Solutions
                                                      • Engineering Glossary
                                                        • Calculators & Charts
                                                          • Selector Tools & Catalogues
                                                            • Software Offer
                                                              • View All Tech Resources
                                                              • Help
                                                                • Back to Help
                                                                • Contact Us
                                                                  • New To element14
                                                                    • Technical Support
                                                                      • Delivery Information
                                                                        • Legislation and Environmental
                                                                          • FAQ's
                                                                            • Feedback
                                                                              • View All Help
                                                                            • Communities
                                                                            • element14
                                                                              Visit the element14 Community for technical discussions, learning content, and opportunities to test new products.
                                                                              hacksterio
                                                                              Hackster is a community dedicated to learning hardware.
                                                                              • Back to Communities
                                                                              • element14
                                                                                • Hackster.io
                                                                                • Bill of Materials (BOM) Upload
                                                                                  • Tools
                                                                                  • Quick Buy
                                                                                    Parts List (BOM) Upload
                                                                                    Request a Quote
                                                                                    All Buying Tools
                                                                                    • Back to Tools
                                                                                    • Quick Buy
                                                                                      • Parts List (BOM) Upload
                                                                                        • Request a Quote
                                                                                          • All Buying Tools
                                                                                          • Offers
                                                                                            • Contact Us
                                                                                              • Help
                                                                                                • Reduced Price
                                                                                                  1. Home
                                                                                                  2. Semiconductors - ICs
                                                                                                  3. Microcontrollers
                                                                                                  4. ARM Microcontrollers
                                                                                                  Print Page

                                                                                                  ATSAMD21G18A-AF

                                                                                                  ARM MCU, SAM D Series, SAM 32 Family SAM D21 Series Microcontrollers, ARM Cortex-M0+, 32 bit

                                                                                                  MICROCHIP
                                                                                                  Image is for illustrative purposes only. Please refer to product description.
                                                                                                  MICROCHIP ATSAMD21G18A-AF
                                                                                                  ManufacturerMICROCHIP
                                                                                                  Manufacturer Part NoATSAMD21G18A-AF
                                                                                                  Order Code2460543
                                                                                                  Product RangeSAM 32 Family SAM D21 Series Microcontrollers
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  See all Technical Docs
                                                                                                  212 In Stock

                                                                                                  Need more?

                                                                                                  212 Delivery in 3-4 Business Days(UK stock)
                                                                                                  QuantityPrice
                                                                                                  1+HK$32.750
                                                                                                  25+HK$32.680
                                                                                                  100+HK$32.600
                                                                                                  250+HK$32.520
                                                                                                  Price for:Each
                                                                                                  Minimum: 1
                                                                                                  Multiple: 1
                                                                                                  HK$32.75
                                                                                                  Line Note
                                                                                                  Added to your Order Confirmation, Invoice, and Dispatch note for this order only.
                                                                                                  This number will be added to the Order Confirmation, Invoice, Dispatch note, Web confirmation Email and Product Label.

                                                                                                  Product Information

                                                                                                  MICROCHIP
                                                                                                  ManufacturerMICROCHIP
                                                                                                  Manufacturer Part NoATSAMD21G18A-AF
                                                                                                  Order Code2460543
                                                                                                  Product RangeSAM 32 Family SAM D21 Series Microcontrollers
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  Product RangeSAM 32 Family SAM D21 Series Microcontrollers
                                                                                                  Device CoreARM Cortex-M0+
                                                                                                  Data Bus Width32 bit
                                                                                                  Operating Frequency Max48MHz
                                                                                                  Program Memory Size256KB
                                                                                                  No. of Pins48Pins
                                                                                                  IC Case / PackageTQFP
                                                                                                  No. of I/O's38I/O's
                                                                                                  InterfacesI2C, SPI, USART, USB
                                                                                                  RAM Memory Size32KB
                                                                                                  ADC Channels14Channels
                                                                                                  ADC Resolution12Bit
                                                                                                  Supply Voltage Min1.62V
                                                                                                  Supply Voltage Max3.63V
                                                                                                  Operating Temperature Min-40°C
                                                                                                  Operating Temperature Max125°C
                                                                                                  IC MountingSurface Mount
                                                                                                  MCU FamilySAM32
                                                                                                  MCU SeriesSAM D2X
                                                                                                  Qualification-
                                                                                                  MSLMSL 1 - Unlimited
                                                                                                  SVHCNo SVHC (25-Jun-2025)

                                                                                                  Product Overview

                                                                                                  SMART SAMD21 series 32-bit Low-power Microcontroller based on the high-performance ARM Cortex-M0+ RISC processor. It operates at a maximum speed of 48MHz and features 256kB of flash memory and 32kB of SRAM. Peripherals include six serial communication modules (SERCOM) configurable as UART/USART, three 16-bit timers/counters, 32-bit real-time clock and calendar, 20 PWM channels, one 14-channel 12-bit ADC, one 10-bit DAC, full speed USB device and embedded host and support for up to 120 touch channels. The device operates from 1.62 to 3.63V.

                                                                                                  • ARM cortex-M0+ CPU running at up to 48MHz
                                                                                                  • Single-cycle hardware multiplier
                                                                                                  • Micro trace buffer (MTB)
                                                                                                  • Power-on reset (POR) and brown-out detection (BOD)
                                                                                                  • External interrupt controller (EIC)
                                                                                                  • 16 external interrupts
                                                                                                  • One non-maskable interrupt
                                                                                                  • Two-pin serial wire debug (SWD) programming, test and debugging interface
                                                                                                  • Idle and standby sleep modes
                                                                                                  • SleepWalking peripherals

                                                                                                  Warnings

                                                                                                  Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

                                                                                                  Technical Specifications

                                                                                                  Product Range

                                                                                                  SAM 32 Family SAM D21 Series Microcontrollers

                                                                                                  Data Bus Width

                                                                                                  32 bit

                                                                                                  Program Memory Size

                                                                                                  256KB

                                                                                                  IC Case / Package

                                                                                                  TQFP

                                                                                                  Interfaces

                                                                                                  I2C, SPI, USART, USB

                                                                                                  ADC Channels

                                                                                                  14Channels

                                                                                                  Supply Voltage Min

                                                                                                  1.62V

                                                                                                  Operating Temperature Min

                                                                                                  -40°C

                                                                                                  IC Mounting

                                                                                                  Surface Mount

                                                                                                  MCU Series

                                                                                                  SAM D2X

                                                                                                  MSL

                                                                                                  MSL 1 - Unlimited

                                                                                                  Device Core

                                                                                                  ARM Cortex-M0+

                                                                                                  Operating Frequency Max

                                                                                                  48MHz

                                                                                                  No. of Pins

                                                                                                  48Pins

                                                                                                  No. of I/O's

                                                                                                  38I/O's

                                                                                                  RAM Memory Size

                                                                                                  32KB

                                                                                                  ADC Resolution

                                                                                                  12Bit

                                                                                                  Supply Voltage Max

                                                                                                  3.63V

                                                                                                  Operating Temperature Max

                                                                                                  125°C

                                                                                                  MCU Family

                                                                                                  SAM32

                                                                                                  Qualification

                                                                                                  -

                                                                                                  SVHC

                                                                                                  No SVHC (25-Jun-2025)

                                                                                                  Technical Docs (3)

                                                                                                  Technical Data Sheet EN

                                                                                                  Product Change Notice EN

                                                                                                  Technical Data Sheet EN

                                                                                                  Alternatives for ATSAMD21G18A-AF

                                                                                                  1 Product Found

                                                                                                  Associated Products

                                                                                                  3 Products Found

                                                                                                  Legislation and Environmental

                                                                                                  Country of Origin:
                                                                                                  Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                  Taiwan
                                                                                                  Country in which last significant manufacturing process was carried out
                                                                                                  Tariff No:85423190
                                                                                                  US ECCN:3A991.a.2
                                                                                                  EU ECCN:NLR
                                                                                                  RoHS Compliant:Yes

                                                                                                  RoHS

                                                                                                  RoHS Phthalates Compliant:Yes

                                                                                                  RoHS

                                                                                                  SVHC:No SVHC (25-Jun-2025)
                                                                                                  Download Product Compliance Certificate

                                                                                                  Product Compliance Certificate

                                                                                                  Weight (kg):.000454
                                                                                                  Customer Service
                                                                                                  Sales +852 2268 9888
                                                                                                  Technical +852 2268 9878
                                                                                                  Live Agent
                                                                                                  Submit Feedback
                                                                                                  FAQs
                                                                                                  Quick Links
                                                                                                  Track my order
                                                                                                  Order History
                                                                                                  Return a Product
                                                                                                  Delivery Information
                                                                                                  Our Company
                                                                                                  About Us
                                                                                                  Quality Policy
                                                                                                  Careers
                                                                                                  Corporate Responsibility
                                                                                                  Social Media +

                                                                                                  Subscribe to become an exclusive element14 insider!

                                                                                                  LinkedIn
                                                                                                  Twitter
                                                                                                  Facebook
                                                                                                  Norton Secured
                                                                                                  Mark of Trust ANAB
                                                                                                  BSI 9001
                                                                                                  Visa
                                                                                                  Mastercard
                                                                                                  Trade Account
                                                                                                  Privacy Statement
                                                                                                  Legal and Copyright Notices
                                                                                                  Terms & Conditions
                                                                                                  Terms of Use for API
                                                                                                  Sitemap
                                                                                                  An Avnet Company© 2025 Premier Farnell Limited. All Rights Reserved.
                                                                                                  e絡盟 is a trading name of eluomeng Limited.
                                                                                                  Registered number: 559890 | Registered office: 21st Floor, Tower 2, Enterprise Square Five, 38 Wang Chiu Road, Kowloon Bay, Kowloon, Hong Kong.