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ATSAMD21E18A-MU on a board, in 3D

ATSAMD21E18A-MU

Microchip Technology

-40℃~+85℃ 1.62V~3.6V 10bit 12bit 256KB 26 32 Bit 32KB 48MHz ARM Cortex-M0+ Built-in FLASH Power-on reset (POR)、Undervoltage detection (BOR/LVD/LVR/LVI)、Watchdog reset、Built-in general-purpose timer、Hardware CRC、Programmable watchdog、Calendar function、Touch function QFN-32-EP(5x5) Microcontrollers (MCU/MPU/SOC) ROHS

Extended
DatasheetJLCPCBLCSCmicrochip/ATSAMD21E18A-MU
Category
Microcontrollers (MCU, MPU, SOC)
Package
QFN-32-EP(5x5)
Pins
33

Overview

The ATSAMD21E18A-MU is a microcontroller made by Microchip Technology in a QFN-32-EP(5x5) package with 33 pins. -40℃~+85℃ 1.62V~3.6V 10bit 12bit 256KB 26 32 Bit 32KB 48MHz ARM Cortex-M0+ Built-in FLASH Power-on reset (POR)、Undervoltage detection (BOR/LVD/LVR/LVI)、Watchdog reset、Built-in general-purpose timer、Hardware CRC、Programmable watchdog、Calendar function、Touch function QFN-32-EP(5x5) Microcontrollers (MCU/MPU/SOC) ROHS.

PCBKit's library has its KiCad symbol (MCU_Microchip_SAMD:ATSAMD21E18A-M, from KiCad's library) and its footprint (Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.6x3.6mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C220692). 7 open-source boards in 5 repositories on GitHub use it.

Symbol

PA001PA012PA023PA034PA045PA056PA067PA078VDDANA9GND10PA0811PA0912PA1013PA1114PA1415PA1516PA1617PA1718PA1819PA1920PA2221PA2322PA2423PA2524PA2725RESET26PA2827VDDCORE29VDDIN30PA3031PA3132EP33
MCU_Microchip_SAMD:ATSAMD21E18A-MFrom KiCad's library

Footprint

33
Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.6x3.6mmFrom KiCad's library

Parameters

13
ADC (Bit)
12bit
CPU Core
ARM Cortex-M0+
CPU Maximum Speed
48MHz
Core Size
32 Bit
DAC (Bit)
10bit
Features
Power-on reset (POR), Undervoltage detection (BOR/LVD/LVR/LVI), Watchdog reset, Built-in general-purpose timer, Hardware CRC, Programmable watchdog, Calendar function, Touch function
Number of I/O
26
Operating Temperature
-40℃~+85℃
Oscillator Type
Built-in
Program Memory Type
FLASH
Program Storage Size
256KB
RAM Size
32KB
Voltage - Supply
1.62V~3.6V

Order codes

1

Pinout

33
The pins of the ATSAMD21E18A-MU
PinNameType
1PA00Input/output
2PA01Input/output
3PA02Input/output
4PA03Input/output
5PA04Input/output
6PA05Input/output
7PA06Input/output
8PA07Input/output
9VDDANAPower in
10GNDPower in
11PA08Input/output
12PA09Input/output
13PA10Input/output
14PA11Input/output
15PA14Input/output
16PA15Input/output
17PA16Input/output
18PA17Input/output
19PA18Input/output
20PA19Input/output
21PA22Input/output
22PA23Input/output
23PA24Input/output
24PA25Input/output
25PA27Input/output
26RESETInput
27PA28Input/output
28GNDPassive
29VDDCOREPower out
30VDDINPower in
31PA30Input/output
32PA31Input/output
33EPPassive

Open-source boards using it

All 7
  • 2 layers51.8 × 53.6 mmCatWAN Farmer, the printed circuit board in 3D

    CatWAN Farmer

    ElectronicCats/CatWAN_Farmer

    CatWAN Farmer, a grower's water saving open source project with LoRa

    53 parts7
  • 2 layers25 × 56 mmFallhaub quicc, the printed circuit board in 3D

    Fallhaub quicc

    acamilo/Maxxon-DC-Motor-Controller-QWIIC

    Board to control 1 maxon motor over i2c. With USB-PD

    29 parts1
  • 2 layers25 × 25 mmCircuitBrains Basic v1 2, the printed circuit board in 3D

    CircuitBrains Basic v1 2

    neubauek/CircuitBrains

    Small form-factor 48-pin castellated pad module. Designed to allow an easy implementation of CircuitPython in maker/hacker projects without the bulk of a large breakout board.

    23 parts50MIT
  • 2 layersBeetle, the printed circuit board in 3D

    Beetle

    Autohome2/dxControl_beetle

    Speeduino Canbus Beetle

    29 parts2GPL-2.0
  • 2 layers38.2 × 39.6 mmFallhaub quicc nousbc, the printed circuit board in 3D

    Fallhaub quicc nousbc

    acamilo/Maxxon-DC-Motor-Controller-QWIIC

    Board to control 1 maxon motor over i2c. With USB-PD

    28 parts1

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Questions

Is there a KiCad symbol and footprint for the ATSAMD21E18A-MU?

Yes. The symbol is MCU_Microchip_SAMD:ATSAMD21E18A-M and the footprint Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.6x3.6mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the ATSAMD21E18A-MU?

QFN-32-EP(5x5), with 33 pins. Its footprint is drawn on this page.

Where is the ATSAMD21E18A-MU datasheet?

Microchip Technology publishes it: the Datasheet link on this page opens it.

Where can I order the ATSAMD21E18A-MU?

JLCPCB lists it as part C220692, with 0 in stock; the sellers' links on this page open their listings.

What can replace the ATSAMD21E18A-MU?

Parts like it in the library: the ATSAMD21E18A-MUT by Microchip Technology, the ATSAML21E18B-MU by Microchip Technology, the ATSAMD21E16B-MU by Microchip Technology and the ATSAMD21E17D-MU by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the ATSAMD21E18A-MU?

7 boards in 5 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8