2 layers17.8 × 20.6 mm
Overview
The ATSAMD21E18A-MUT 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 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. 497 are in stock at JLCPCB (part C2052801). 6 open-source boards in 6 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
17- Supply, least
- 1.62 V · VDD, recommended operating, BOD33 disabled, min · p. 865
- Supply, most
- 3.63 V · VDD, recommended operating, max · p. 865
- Supply, least
- 1.62 V · VDDANA, recommended operating, BOD33 disabled, min · p. 865
- Supply, most
- 3.63 V · VDDANA, recommended operating, max · p. 865
- Supply, least
- 1.62 V · VDDIO, recommended operating, full voltage range, min · p. 866
- Supply, most
- 3.63 V · VDDIO, recommended operating, full voltage range, max · p. 866
- Supply, least
- 1.62 V · VDDIN, recommended operating, grouped full voltage range, min · p. 866
- Supply, most
- 3.63 V · VDDIN, recommended operating, grouped full voltage range, max · p. 866
- Supply, absolute maximum
- 3.8 V · VDD, absolute maximum · p. 865
- Works from
- -40 °C · ambient, base operating range, min · p. 865
- Works up to
- 85 °C · ambient, base operating range, max · p. 865
- Junction, hottest
- 100 °C · junction, base operating range, max · p. 865
- Takes working
- 6.32 mA · ACTIVE, CoreMark, 48 MHz, 3.3 V, 25°C, variant A, typical · p. 869
- Takes at most
- 7 mA · ACTIVE, CoreMark, 48 MHz, 3.3 V, 85°C, variant A, max · p. 869
- Takes asleep
- 2.7 µA · STANDBY, XOSC32K and RTC stopped, 3.3 V, 25°C, variant A, typical · p. 870
- Junction to air (32-pin QFN)
- 40.9 K/W · junction to ambient · p. 864
- Junction to case (32-pin QFN)
- 15.2 K/W · junction to case · p. 864
Parameters
20- ADC (Bit)
- 12bit
- CPU Core
- ARM Cortex-M0+
- CPU Maximum Speed
- 48MHz
- Core Size
- 32 Bit
- Current - Supply
- 6.32mA
- Current - Supply(Max)
- 7mA
- DAC (Bit)
- 10bit
- Features
- Undervoltage detection (BOR/LVD/LVR/LVI)
- Junction Temperature(Max)
- 100℃
- Number of I/O
- 26
- Operating Temperature
- -40℃~+85℃
- Oscillator Type
- Built-in
- Program Memory Type
- FLASH
- Program Storage Size
- 256KB
- RAM Size
- 32KB
- Standby Current
- 2.7uA
- Thermal Resistance(Junction to Ambient)
- 40.9℃/W
- Thermal Resistance(Junction to Case)
- 15.2℃/W
- Voltage - Supply
- 1.62V~3.63V
- Voltage - Supply(Absolute Max)
- 3.8V
Order codes
2- ATSAMD21E18A-MUTLCSC C2052801
- ATSAMD21E18A-MUTLCSC C614311
Pinout
33| Pin | Name | Type |
|---|---|---|
| 1 | PA00 | Input/output |
| 2 | PA01 | Input/output |
| 3 | PA02 | Input/output |
| 4 | PA03 | Input/output |
| 5 | PA04 | Input/output |
| 6 | PA05 | Input/output |
| 7 | PA06 | Input/output |
| 8 | PA07 | Input/output |
| 9 | VDDANA | Power in |
| 10 | GND | Power in |
| 11 | PA08 | Input/output |
| 12 | PA09 | Input/output |
| 13 | PA10 | Input/output |
| 14 | PA11 | Input/output |
| 15 | PA14 | Input/output |
| 16 | PA15 | Input/output |
| 17 | PA16 | Input/output |
| 18 | PA17 | Input/output |
| 19 | PA18 | Input/output |
| 20 | PA19 | Input/output |
| 21 | PA22 | Input/output |
| 22 | PA23 | Input/output |
| 23 | PA24 | Input/output |
| 24 | PA25 | Input/output |
| 25 | PA27 | Input/output |
| 26 | RESET | Input |
| 27 | PA28 | Input/output |
| 28 | GND | Passive |
| 29 | VDDCORE | Power out |
| 30 | VDDIN | Power in |
| 31 | PA30 | Input/output |
| 32 | PA31 | Input/output |
| 33 | EP | Passive |
Open-source boards using it
All 6- 4 layers35 × 21.7 mm
- 2 layers37 × 32.5 mm
- 4 layers74.8 × 44.5 mm
Pll ad9544
OpenSiPM/PLL
Resonant scanning is essential for high-speed and in vivo laser scanning microscopy. However, resonant scanners are susceptible to jitter due to a mismatch between the mirror's mechanical oscillation and the data…
77 parts - 4 layers65 × 18.1 mm
Bias control lt8364-linear two usb
OpenSiPM/sipm-linear-1mm
SiPM spectrometer using 16 individual 1mm element
52 parts7 - 4 layers6.1 × 11.6 mm
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Is there a KiCad symbol and footprint for the ATSAMD21E18A-MUT?
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-MUT?
QFN-32-EP(5x5), with 33 pins. Its footprint is drawn on this page.
Where is the ATSAMD21E18A-MUT datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the ATSAMD21E18A-MUT?
JLCPCB lists it as part C2052801, with 497 in stock; the sellers' links on this page open their listings.
What can replace the ATSAMD21E18A-MUT?
Parts like it in the library: the ATSAML21E18B-MU by Microchip Technology, the ATSAMD21E16B-MU by Microchip Technology, the ATSAMD21E17D-MU by Microchip Technology and the ATSAMD21E16B-MF 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-MUT?
6 boards in 6 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
ATSAML21E18B-MU
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QFN-32-EP(5x5)-40℃~+85℃ 1.62V~3.6V 128KB 16KB 26 32 Bit 48MHz ARM Cortex-M0+ Built-in FLASH Power-on reset (POR)、Undervoltage detection (BOR/LVD/LVR/LVI)、Built-in general-purpose timer、Hardware CRC、Programmable watchdog、Calendar function、Touch function QFN-32-EP(5x5) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)ATSAMD21E18A-MU
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