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

                      Data Sheet

                      See all Technical Docs
                      257 In Stock

                      Need more?

                      257 Delivery in 3-4 Business Days(UK stock)
                      QuantityPrice
                      1+HK$32.440
                      Price for:Each
                      Minimum: 1
                      Multiple: 1
                      HK$32.44
                      Add Part No. / 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

                      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 (21-Jan-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 (21-Jan-2025)

                      Technical Docs (3)

                      Product Change Notice EN

                      Technical Data Sheet 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 (21-Jan-2025)
                      Download Product Compliance Certificate

                      Product Compliance Certificate

                      Weight (kg):.000454
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