HardLabs

Atsamd21e18a

jkiv·kicad-breakouts·boards/atsamd21e18a/atsamd21e18a.kicad_pcb

Atsamd21e18a PCB layout, top view — open source Microchip SAM board by jkiv

About the Atsamd21e18a PCB

Atsamd21e18a is an open source Microchip SAM PCB design by jkiv, published on GitHub under the CC-BY-NC-4.0 license. It is a 4-layer board measuring 15.2 × 31.8 mm, with 25 components from 19 distinct parts.

Its main chip is the ATSAMD21E, from the Microchip SAM family. Other key parts include the AP7361C_SOT-89-5. By type, the board carries 10 capacitors, 5 connectors, 4 resistors, 2 ICs, 1 crystal and 1 switch.

It belongs with the dev boards & breakouts designs in this gallery.

From the project

This project contains various breadboard-compatible breakouts for testing and educational purposes.

This is a breadboardable breakout board for the Atmel SAMD21 32-bit ARM microcontroller.

32-pin Atmel SAMD21 microcontroller (atsamd21e18a). 18 IOs exposed. Direct USB interface. 10-pin 1.27mm SWD header. SWD signals exposed via 2.54mm. On-board reset button. * On-board 32.768 kHz crystal.

Atsamd21e18a, from the project README
From the project README

Main components on the Atsamd21e18a

AP7361C_SOT-89-5ATSAMD21E

Atsamd21e18a bill of materials (BOM)

25 components, 19 distinct parts.

QtyPartRefs
1
AP7361C_SOT-89-5
U1
1
ATSAMD21E
U2
1
ABS07-32.768KHZ
Y1
1
USB_B_Micro
J1
1
A
J2
1
B
J3
1
SWD_1.27
J4
1
SWD_2.54
J5
1
RESET
SW1
1
PWR_LED
D1
1
FB
FB1
2
4.7u
C1, C6
1
1u
C2
4
0.1u
C3, C4, C5, C9
2
22p
C7, C8
1
0.01u
C10
1
4k7
R1
2
1k
R2, R3
1
100k
R4

Atsamd21e18a design files

The KiCad project lives in the jkiv/kicad-breakouts repository on GitHub; these links point at the commit this page was built from.

Atsamd21e18a: common questions

What microcontroller does the Atsamd21e18a use?

The Atsamd21e18a is built around the ATSAMD21E, from the Microchip SAM family.

How big is the Atsamd21e18a PCB?

The Atsamd21e18a measures 15.2 × 31.8 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Atsamd21e18a?

25 components, from 19 distinct parts. The full bill of materials is listed on this page.

Where can I download the Atsamd21e18a design files?

From the jkiv/kicad-breakouts repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Atsamd21e18a design in my own project?

It is published under CC-BY-NC-4.0, which limits how it may be reused; read the license before building on it.

Can I test firmware for the Atsamd21e18a without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Microchip SAM firmware against it before you order a PCB.

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