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ATSAMD21J18A-MU

Microchip TechnologyExtended

-40℃~+85℃ 1.62V~3.6V 10bit 12bit 256KB 32 Bit 32KB 48MHz 52 ARM Cortex-M0+ Built-in FLASH QFN-64-EP(9x9) Microcontrollers (MCU/MPU/SOC) ROHS

DatasheetJLCPCBLCSC
Part id
microchip/ATSAMD21J18A-MU
Category
Microcontrollers (MCU, MPU, SOC)
Package
QFN-64
Pins
65
In stock
90 at JLCPCB (C2052765)
Used on
2 open-source boards

Overview

The ATSAMD21J18A-MU is a microcontroller made by Microchip Technology in a QFN-64 package with 65 pins. -40℃~+85℃ 1.62V~3.6V 10bit 12bit 256KB 32 Bit 32KB 48MHz 52 ARM Cortex-M0+ Built-in FLASH QFN-64-EP(9x9) Microcontrollers (MCU/MPU/SOC) ROHS.

PCBKit's library has its KiCad symbol (MCU_Microchip_SAMD:ATSAMD21J18A-M, from KiCad's library) and its footprint (Package_DFN_QFN:QFN-64-1EP_9x9mm_P0.5mm_EP4.7x4.7mm, from KiCad's library), ready for a KiCad board. 90 are in stock at JLCPCB (part C2052765). 2 open-source boards in 1 repository on GitHub use it.

Symbol

1PA002PA013PA024PA035PB046PB057GNDANA8VDDANA9PB0610PB0711PB0812PB0913PA0414PA0515PA0616PA0717PA0818PA0919PA1020PA1121VDDIO22GND23PB1024PB1125PB1226PB1327PB1428PB1529PA1230PA1331PA1432PA1534VDDIO35PA1636PA1737PA1838PA1939PB1640PB1741PA2042PA2143PA2244PA2345PA2446PA2548VDDIO49PB2250PB2351PA2752RESET53PA2855VDDCORE56VDDIN57PA3058PA3159PB3060PB3161PB0062PB0163PB0264PB0365EP
MCU_Microchip_SAMD:ATSAMD21J18A-MFrom KiCad's library

Footprint

65
Package_DFN_QFN:QFN-64-1EP_9x9mm_P0.5mm_EP4.7x4.7mmFrom KiCad's library

Pinout

65
The pins of the ATSAMD21J18A-MU
PinNameType
1PA00Input/output
2PA01Input/output
3PA02Input/output
4PA03Input/output
5PB04Input/output
6PB05Input/output
7GNDANAPower in
8VDDANAPower in
9PB06Input/output
10PB07Input/output
11PB08Input/output
12PB09Input/output
13PA04Input/output
14PA05Input/output
15PA06Input/output
16PA07Input/output
17PA08Input/output
18PA09Input/output
19PA10Input/output
20PA11Input/output
21VDDIOPower in
22GNDPower in
23PB10Input/output
24PB11Input/output
25PB12Input/output
26PB13Input/output
27PB14Input/output
28PB15Input/output
29PA12Input/output
30PA13Input/output
31PA14Input/output
32PA15Input/output
33GNDPassive
34VDDIOPower in
35PA16Input/output
36PA17Input/output
37PA18Input/output
38PA19Input/output
39PB16Input/output
40PB17Input/output
41PA20Input/output
42PA21Input/output
43PA22Input/output
44PA23Input/output
45PA24Input/output
46PA25Input/output
47GNDPassive
48VDDIOPower in
49PB22Input/output
50PB23Input/output
51PA27Input/output
52RESETInput
53PA28Input/output
54GNDPassive
55VDDCOREPower out
56VDDINPower in
57PA30Input/output
58PA31Input/output
59PB30Input/output
60PB31Input/output
61PB00Input/output
62PB01Input/output
63PB02Input/output
64PB03Input/output
65EPPassive

Open-source boards using it

2
  • 4 layers56.1 × 51.6 mmLedDriverBoard V1.0, the printed circuit board in 3D

    LedDriverBoard V1.0

    RobotPatient/Manikin_Color_Hub

    Led driver board files, flexible led strip files and (partially finished) software to drive them. And all our documentation. Part of the skin colour research group.

    79 partsMIT
  • 4 layers95 × 67 mmLedDriverBoard V2, the printed circuit board in 3D

    LedDriverBoard V2

    RobotPatient/Manikin_Color_Hub

    Led driver board files, flexible led strip files and (partially finished) software to drive them. And all our documentation. Part of the skin colour research group.

    126 partsMIT

Parts like it

8

Questions

Is there a KiCad symbol and footprint for the ATSAMD21J18A-MU?

Yes. The symbol is MCU_Microchip_SAMD:ATSAMD21J18A-M and the footprint Package_DFN_QFN:QFN-64-1EP_9x9mm_P0.5mm_EP4.7x4.7mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the ATSAMD21J18A-MU?

QFN-64, with 65 pins. Its footprint is drawn on this page.

Where is the ATSAMD21J18A-MU datasheet?

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

Where can I order the ATSAMD21J18A-MU?

JLCPCB lists it as part C2052765, with 90 in stock; the sellers' links on this page open their listings.

What can replace the ATSAMD21J18A-MU?

Parts like it in the library: the ATSAMD51J19A-MF by Microchip Technology, the ATSAMD51J19A-MU by Microchip Technology, the ATSAMD51J20A-MU by Microchip Technology and the ATSAMD21J17D-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 ATSAMD21J18A-MU?

2 boards in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.