A low-power, high-performance Atmel® | SMART ARM® Cortex®-M0+ based Flash microcontroller, the ATSAMD21E18 is ideal for a wide range of home automation, consumer, metering, and industrial applications. It features:
256KB of flash and 32KB of SRAM
Up to 48MHz operating frequency
Four serial communication modules (SERCOM) configurable as UART/USART, SPI or I2C, three 16-bit timer/counters, 32-bit Real-Time Clock and calendar, 18 PWM channels, one 14-channel 12-bit ADC, one 10-bit DAC
Full Speed USB Device and embedded Host
Support for up to 60 touch channels
1.62V to 3.63V power supply
Easy pin migration to SAMD21G and SAMD21J devices
Supported by Atmel Studio, the Atmel Software Framework and the SAM D21 Xplained Pro kit

Flash (kBytes):
256 kBytes
SRAM (kBytes):
32
CPU:
Cortex-M0+
SPI:
4
Pin Count:
32
TWI (I2C):
4
UART:
4
32kHz RTC:
Yes
PWM Channels:
18
ADC Channels:
10
Analog Comparators:
2
# of Touch Channels:
60
Max I/O Pins:
26
Operating Voltage (Vcc):
1.62 to 3.63
Temp. Range (deg C):
-40 to 85
USB Interface:
Host, Device
Timers:
6
Max. Operating Freq. (MHz):
48 MHz
ADC Speed (ksps):
350
ADC Gain Stage:
Yes
Temp. Sensor:
Yes
Crypto Engine:
No
FPU:
No
MPU / MMU:
no / no
RTC:
RTC|Counter/Clock+Cal
Calibrated RC Oscillator:
Yes
Watchdog:
Yes
Hardware QTouch Acquisition:
Yes
Ext Interrupts:
16
USB Transceiver:
1
CAN:
0
I2S:
Yes
SSC:
0
Ethernet:
0
SD / eMMC:
0
Graphic LCD:
No
Video Decoder:
No
Camera Interface:
No
ADC Resolution (bits):
12
Resistive Touch Screen:
No
DAC Channels:
1
DAC Resolution (bits):
10
Self Program Memory:
Yes
External Bus Interface:
0
DRAM Memory:
No
NAND Interface:
No
picoPower:
No
Debug Interface:
SWD
LIN:
4
Diff. ADC Inputs:
8
Output Compare Channels:
14
Input Capture Channels:
6
Series:
SAM D21

 

 

ATSAMD21E15L-MF ATSAMD21J15B-MU ATSAMD21J15A-AF
ATSAMD21G17A-AF ATSAMD21E16B-MU ATSAMD21J16B-MFT ATSAMD21J16B-MF ATSAMD21E16L-MNT
ATSAMD21J16A-AF ATSAMD21E17A-AFT ATSAMD21G16B-AF ATSAMD21G17A-MF ATSAMD21G16B-MUT
ATSAMD21G16A-AF ATSAMD21J18A-CUT ATSAMD21J15B-AFT ATSAMD21E15B-MU ATSAMD21J17A-CU
ATSAMD21G18A-AF ATSAMD21J18A-MFT ATSAMD21G16B-MFT ATSAMD21E15A-MF ATSAMD21J15B-AUT
ATSAMD21E16B-AF ATSAMD21E15B-AF ATSAMD21G16A-MFT ATSAMD21G17A-AFT ATSAMD21E15L-AFT
ATSAMD21E16B-AU ATSAMD21J16B-AFT ATSAMD21E16B-MUT ATSAMD21J16A-CU ATSAMD21J18A-CU
ATSAMD21J15B-MF ATSAMD21E17A-AF ATSAMD21G18A-MFT ATSAMD21E15L-MFT ATSAMD21G16B-MU
ATSAMD21G16B-AUT ATSAMD21J17A-MF ATSAMD21G16A-MF ATSAMD21E15B-AFT ATSAMD21E15B-MF
ATSAMD21J17A-AF ATSAMD21J16B-MUT ATSAMD21J17A-AFT ATSAMD21E18A-AF ATSAMD21E15L-MNT

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