# ATSAMD21G18A-MU (Component)
## Description
ARM® Cortex®-M0+ SAM D21G, Functional Safety (FuSa) Microcontroller IC 32-Bit 48MHz 256KB (256K x 8) FLASH 48-QFN (7x7) #CommonPartsLibrary #IntegratedCircuit #Microcontroller #SAM D21G, Functional Safety (FuSa) #ATSAMD21
## Component Details
- **Owner:** adrian95
- **Created:** 2/11/2026
- **Last Updated:** 2/11/2026
- **Visibility:** Public
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Manufacturer Name:** Microchip
- **Part Type:** Microcontroller
- **Datasheet URL:** https://datasheet.datasheetarchive.com/originals/distributors/DKDS41/DSANUWW0026743.pdf
- **Manufacturer Part Number:** ATSAMD21G18A-MU
- **Used in:** 10 projects
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/atsamd21g18a-mu/microchip-technology.html?utm_currency=USD®ion=nac) | $3.562 | 9 |
| [Digi-Key](https://www.digikey.com/en/products/detail/microchip-technology/ATSAMD21G18A-MU/4935894) | $4.27 | 0 |
| [LCSC](https://www.lcsc.com/product-detail/C966903.html) | $4.4919 | 8.5K |
| [Mouser](https://www.mouser.com/ProductDetail/Microchip-Technology/ATSAMD21G18A-MU?qs=KLFHFgXTQiA%2FfMu%2FGM5u1A%3D%3D) | $4.07 | 1.3K |
| [Verical](https://www.verical.com/pd/microchip-technology-microcontroller-ATSAMD21G18A-MU-2627955?utm_currency=USD) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** Microchip
- **MPN:** ATSAMD21G18A-MU
- **Package / Case Code:** 32-QFN
- **Pin Count:** 49
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | PA00 | |
| 2 | PA01 | |
| 3 | PA02 | |
| 4 | PA03 | |
| 5 | GNDANA | |
| 6 | VDDANA | |
| 7 | PB08 | |
| 8 | PB09 | |
| 9 | PA04 | |
| 10 | PA05 | |
| 11 | PA06 | |
| 12 | PA07 | |
| 13 | PA08 | |
| 14 | PA09 | |
| 15 | PA10 | |
| 16 | PA11 | |
| 17 | VDDIO_1 | |
| 18 | GND_1 | |
| 19 | PB10 | |
| 20 | PB11 | |
| 21 | PA12 | |
| 22 | PA13 | |
| 23 | PA14 | |
| 24 | PA15 | |
| 25 | PA16 | |
| 26 | PA17 | |
| 27 | PA18 | |
| 28 | PA19 | |
| 29 | PA20 | |
| 30 | PA21 | |
| 31 | PA22 | |
| 32 | PA23 | |
| 33 | PA24 | |
| 34 | PA25 | |
| 35 | GND_2 | |
| 36 | VDDIO_2 | |
| 37 | PB22 | |
| 38 | PB23 | |
| 39 | PA27 | |
| 40 | ~RESET | |
| 41 | PA28 | |
| 42 | GND_3 | |
| 43 | VDDCORE | |
| 44 | VDDIN | |
| 45 | PA30 | |
| 46 | PA31 | |
| 47 | PB02 | |
| 48 | PB03 | |
| 49 | GND_4 | |
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*Generated from [https://www.flux.ai/adrian95/atsamd21g18a-mu](https://www.flux.ai/adrian95/atsamd21g18a-mu)*