Atmel SAM D

Datasheets

SAM D21

SAM D21 Complete
( file size: 14MB , 1022 pages , revision D , updated: 09/2014 )

SAM D21

SAM D21 Summary
( file size: 615KB , 23 pages , revision DS , updated: 09/2014 )

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A low-power, high-performance ARM® Cortex®-M0+ based Flash microcontroller, the ATSAMD21G18A 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
  • Six serial communication modules (SERCOM) configurable as UART/USART, SPI or I2C, three 16-bit timer/counters, 32-bit Real-Time Clock and calendar, 20 PWM channels, one 14-channel 12-bit ADC, one 10-bit DAC
  • Full-Speed USB Device and embedded Host
  • Support for up to 120 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

Key Parameters

Parameter
Value

Flash (Kbytes):

256 Kbytes

SRAM (Kbytes):

32

CPU:

Cortex-M0+

SPI:

6

TWI (I2C):

6

UART:

6

32kHz RTC:

Yes

PWM Channels:

20

ADC channels:

14

Analog Comparators:

2

 

Ordering Codes

Ordering Code Package Speed Power Supply Operational Range Comment Buy Online Samples
ATSAMD21G18A-AUT TQFP MC 48 48 1.62-3.6 Industrial (A) (-40°C to 85°C) Buy
ATSAMD21G18A-MUT QFN R-QFN048_B 48 48 1.62-3.6 Industrial (A) (-40°C to 85°C) Buy Request