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Atmel SAM D21 Xplained Pro

The Atmel SAM D21 is a series of low-power microcontrollers using the 32-bit ARM Cortex- M0+ processor.

  • SAMD21J18A microcontroller
  • USB interface device and reduced host mode
  • 3 Xplained Pro extension headers
  • Embedded Debugger
  • Supported with application examples in Atmel Software Framework

Product Description

The Atmel SAM D21 is a series of low-power microcontrollers using the 32-bit ARM Cortex- M0+ processor and ranging from 32- to 64-pins with up to 256KB Flash and 32KB of SRAM.

The SAM D21 devices operate at a maximum frequency of 48MHz and reach 2.14 Coremark/MHz. They are designed for simple and intuitive migration with identical peripheral modules hex-compatible code identical linear address map and pin-compatible migration paths between all devices in the product series.

All devices include intelligent and flexible peripherals Atmel Event System for inter-peripheral signaling and support for capacitive touch button slider and wheel user interfaces.

SAM D21 Xplained Pro

Debugging tool

The Xplained Pro MCU series evaluation kits include an on-board Embedded Debugger and no external tools are necessary to program or debug the ATSAMD21J18A.

Built-in features

In-system programmable Flash twelve-channel direct memory access (DMA) controller 12 channel Event System programmable interrupt controller up to 52 programmable I/O pins 32-bit real-time clock and calendar up to five 16-bit Timer/Counters (TC) and three 24-bit Timer/Counters for Control (TCC) where each TC can be configured to perform frequency and waveform generation accurate program execution timing or input capture with time and frequency measurement of digital signals.

Mechanical buttons

One reset button and one user pushbutton (wake-up bootloader entry or general purpose).

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2407175
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