# ATSAMD21G16B\-A (Component)

## Description

SAM D21 Microchip SMART ARM\-based Flash MCU, 48Mhz, 64K Flash w/ 2K RWW, 8K SRAM, TQFP\-48
32\-bit ARM Cortex\-M0\+ MCU Microcontroller
TQFP\*7x7mm\*P0\.5mm\* 

## Component Details

- **Owner:** kicad\-part\-library
- **Created:** 10/4/2026
- **Last Updated:** 10/4/2026
- **Visibility:** Public
- **Part Type:** Microcontroller
- **Manufacturer Name:** Microchip
- **Manufacturer Part Number:** ATSAMD21G16B\-A
- **Package or Case Code:** TQFP\-48\_7x7mm\_P0\.5mm
- **Datasheet URL:** https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/069b78d77702005acfd97699b170cc2f44236278290ff6d149956c7222f69e9d\.pdf

- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** Microchip
- **MPN:** ATSAMD21G16B\-A
- **Mount Type:** Base
- **Package / Case Code:** 48\-TQFP
- **Pin Count:** 48
- **Logic Function:** AND
## Pins

| Pin | Name | Type |
|-----|------|------|
| 1 | PA00 | Bi\-Directional |
| 2 | PA01 | Bi\-Directional |
| 3 | PA02 | Bi\-Directional |
| 4 | PA03 | Bi\-Directional |
| 5 | GNDANA | Power In |
| 6 | VDDANA | Power In |
| 7 | PB08 | Bi\-Directional |
| 8 | PB09 | Bi\-Directional |
| 9 | PA04 | Bi\-Directional |
| 10 | PA05 | Bi\-Directional |
| 11 | PA06 | Bi\-Directional |
| 12 | PA07 | Bi\-Directional |
| 13 | PA08 | Bi\-Directional |
| 14 | PA09 | Bi\-Directional |
| 15 | PA10 | Bi\-Directional |
| 16 | PA11 | Bi\-Directional |
| 17 | VDDIO | Power In |
| 18 | GND | Power In |
| 19 | PB10 | Bi\-Directional |
| 20 | PB11 | Bi\-Directional |
| 21 | PA12 | Bi\-Directional |
| 22 | PA13 | Bi\-Directional |
| 23 | PA14 | Bi\-Directional |
| 24 | PA15 | Bi\-Directional |
| 25 | PA16 | Bi\-Directional |
| 26 | PA17 | Bi\-Directional |
| 27 | PA18 | Bi\-Directional |
| 28 | PA19 | Bi\-Directional |
| 29 | PA20 | Bi\-Directional |
| 30 | PA21 | Bi\-Directional |
| 31 | PA22 | Bi\-Directional |
| 32 | PA23 | Bi\-Directional |
| 33 | PA24 | Bi\-Directional |
| 34 | PA25 | Bi\-Directional |
| 35 | GND | Passive |
| 36 | VDDIO | Power In |
| 37 | PB22 | Bi\-Directional |
| 38 | PB23 | Bi\-Directional |
| 39 | PA27 | Bi\-Directional |
| 40 | \~\{RESET\} | Input |
| 41 | PA28 | Bi\-Directional |
| 42 | GND | Passive |
| 43 | VDDCORE | Power Out |
| 44 | VDDIN | Power In |
| 45 | PA30 | Bi\-Directional |
| 46 | PA31 | Bi\-Directional |
| 47 | PB02 | Bi\-Directional |
| 48 | PB03 | Bi\-Directional |

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*Generated from [https://flux\.ai/kicad\-part\-library/atsamd21g16b\-a](https://flux.ai/kicad-part-library/atsamd21g16b-a)*