
Overview
The ATSAMC21E16A-MN is a microcontroller made by Microchip Technology in a VQFN-32-EP(5x5) package with 33 pins. VQFN-32-EP(5x5) Microcontrollers (MCU/MPU/SOC) ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:ATSAMC21E16A-MNT, from EasyEDA) and its footprint (EasyEDA_Cloud:VQFN-32_L5.0-W5.0-P0.50-TL-EP3.6, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2055710).
Symbol
Footprint
Parameters
11- CPU Core
- ARM Cortex-M0+
- CPU Maximum Speed
- 48MHz
- Core Size
- 32 Bit
- Features
- Power-on reset (POR), Undervoltage detection (BOR/LVD/LVR/LVI), Watchdog reset, Built-in general-purpose timer, Calendar function, Built-in temperature sensor, Touch function
- Number of I/O
- 26
- Operating Temperature
- -40℃~+105℃
- Oscillator Type
- Built-in
- Program Memory Type
- FLASH
- Program Storage Size
- 64KB
- RAM Size
- 8KB
- Voltage - Supply
- 2.7V~5.5V
Order codes
2- ATSAMC21E16A-MNTLCSC C2055710
- ATSAMC21E16A-MNTLCSC C618068
Pinout
33| Pin | Name | Type |
|---|---|---|
| 1 | PA00 | Unspecified |
| 2 | PA01 | Unspecified |
| 3 | PA02 | Unspecified |
| 4 | PA03 | Unspecified |
| 5 | PA04 | Unspecified |
| 6 | PA05 | Unspecified |
| 7 | PA06 | Unspecified |
| 8 | PA07 | Unspecified |
| 9 | VDDANA | Unspecified |
| 10 | GND | Unspecified |
| 11 | PA08 | Unspecified |
| 12 | PA09 | Unspecified |
| 13 | PA10 | Unspecified |
| 14 | PA11 | Unspecified |
| 15 | PA14 | Unspecified |
| 16 | PA15 | Unspecified |
| 17 | PA16 | Unspecified |
| 18 | PA17 | Unspecified |
| 19 | PA18 | Unspecified |
| 20 | PA19 | Unspecified |
| 21 | PA22 | Unspecified |
| 22 | PA23 | Unspecified |
| 23 | PA24 | Unspecified |
| 24 | PA25 | Unspecified |
| 25 | PA27 | Unspecified |
| 26 | RESET# | Unspecified |
| 27 | PA28 | Unspecified |
| 28 | GND | Unspecified |
| 29 | VDDCORE | Unspecified |
| 30 | VDDIN | Unspecified |
| 31 | PA30 | Unspecified |
| 32 | PA31 | Unspecified |
| 33 | EP | Unspecified |
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<iframe src="https://pcbkit.io/embed/parts/microchip/ATSAMC21E16A-MN" title="ATSAMC21E16A-MN 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/ATSAMC21E16A-MN.jpg" alt="ATSAMC21E16A-MN" width="1200" height="900">[](https://pcbkit.io/parts/microchip/ATSAMC21E16A-MN)Questions
Is there a KiCad symbol and footprint for the ATSAMC21E16A-MN?
Yes. The symbol is EasyEDA_Cloud:ATSAMC21E16A-MNT and the footprint EasyEDA_Cloud:VQFN-32_L5.0-W5.0-P0.50-TL-EP3.6, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the ATSAMC21E16A-MN?
VQFN-32-EP(5x5), with 33 pins. Its footprint is drawn on this page.
Where is the ATSAMC21E16A-MN datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the ATSAMC21E16A-MN?
JLCPCB lists it as part C2055710, with 0 in stock; the sellers' links on this page open their listings.
What can replace the ATSAMC21E16A-MN?
Parts like it in the library: the MKV10Z64VFM7R by NXP Semiconductors, the ATSAMC20E17A-MN by Microchip Technology, the ATSAMC21E17A-MU by Microchip Technology and the ATSAMD20E14B-MUT by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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