
6wire
dragonlock2/kicadboards
Offsite backup for the miscellaneous KiCad boards that don't fit elsewhere

The ATSAMD21G16B-MU is a microcontroller made by Microchip Technology in a QFN-48 package with 49 pins. -40℃~+85℃ 1.62V~3.6V 10bit 12bit 32 Bit 38 48MHz 64KB 8KB ARM Cortex-M0+ Built-in FLASH QFN-48-EP(7x7) Microcontrollers (MCU/MPU/SOC) ROHS.
PCBKit's library has its KiCad symbol (MCU_Microchip_SAMD:ATSAMD21G16B-M, from KiCad's library) and its footprint (Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm, from KiCad's library), ready for a KiCad board. 8 are in stock at JLCPCB (part C614467). 1 open-source board in 1 repository on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | PA00 | Input/output |
| 2 | PA01 | Input/output |
| 3 | PA02 | Input/output |
| 4 | PA03 | Input/output |
| 5 | GNDANA | Power in |
| 6 | VDDANA | Power in |
| 7 | PB08 | Input/output |
| 8 | PB09 | Input/output |
| 9 | PA04 | Input/output |
| 10 | PA05 | Input/output |
| 11 | PA06 | Input/output |
| 12 | PA07 | Input/output |
| 13 | PA08 | Input/output |
| 14 | PA09 | Input/output |
| 15 | PA10 | Input/output |
| 16 | PA11 | Input/output |
| 17 | VDDIO | Power in |
| 18 | GND | Power in |
| 19 | PB10 | Input/output |
| 20 | PB11 | Input/output |
| 21 | PA12 | Input/output |
| 22 | PA13 | Input/output |
| 23 | PA14 | Input/output |
| 24 | PA15 | Input/output |
| 25 | PA16 | Input/output |
| 26 | PA17 | Input/output |
| 27 | PA18 | Input/output |
| 28 | PA19 | Input/output |
| 29 | PA20 | Input/output |
| 30 | PA21 | Input/output |
| 31 | PA22 | Input/output |
| 32 | PA23 | Input/output |
| 33 | PA24 | Input/output |
| 34 | PA25 | Input/output |
| 35 | GND | Passive |
| 36 | VDDIO | Power in |
| 37 | PB22 | Input/output |
| 38 | PB23 | Input/output |
| 39 | PA27 | Input/output |
| 40 | RESET | Input |
| 41 | PA28 | Input/output |
| 42 | GND | Passive |
| 43 | VDDCORE | Power out |
| 44 | VDDIN | Power in |
| 45 | PA30 | Input/output |
| 46 | PA31 | Input/output |
| 47 | PB02 | Input/output |
| 48 | PB03 | Input/output |
| 49 | EP | Passive |

dragonlock2/kicadboards
Offsite backup for the miscellaneous KiCad boards that don't fit elsewhere
<iframe src="https://pcbkit.io/embed/parts/microchip/ATSAMD21G16B-MU" title="ATSAMD21G16B-MU in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/microchip/ATSAMD21G16B-MU.jpg" alt="ATSAMD21G16B-MU" width="1200" height="900">[](https://pcbkit.io/parts/microchip/ATSAMD21G16B-MU)Yes. The symbol is MCU_Microchip_SAMD:ATSAMD21G16B-M and the footprint Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
QFN-48, with 49 pins. Its footprint is drawn on this page.
Microchip Technology publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C614467, with 8 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the ATSAMD21G18A-MU by Microchip Technology, the ATSAMD21G17D-MU by Microchip Technology, the MC9S08JM16CGT by NXP Semiconductors and the ATSAMD21G18A-MF by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.