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ATSAMC21N18A

5-Volt 32-Bit ARM Cortex M0+ MCU with CAN-FD

Status: In Production

Features:

  • ARM Cortex-M0+ CPU running at up to 48MHz
  • Hardware Divide and Square Root Accelerator (DIVAS)
  • ISO CAN FD; ISO 1189801:2015
  • Peripheral Touch Controller (PTC)
  • Up to 84 GPIO
  • 2.7V – 5.5V
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Development Environment
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Device Overview

Summary

The Microchip SAM C series of 5V Cortex M0+ devices is designed for industrial and commercial applications in noisy environments. These products feature robust communications peripherals including the SERCOM module and CAN-FD, along with advanced motor control peripherals, and the Peripheral Touch Control (PTC) for developing robust user interfaces. 


 

Supported by MPLAB X IDE and MPLAB Harmony.

Additional Features
  • ARM Cortex-M0+ CPU running at up to 48MHz
  • Single-cycle hardware multiplier
  • Micro Trace Buffer
  • Memory Protection Unit (MPU)
  • 256KB in-system self-programmable Flash
  • 8KB independent self-programmable Flash for EEPROM emulation
  • 32KB SRAM Main Memory
  • Power-on reset (POR) and brown-out detection (BOD)
  • Internal and external clock options with 48MHz to 96MHz
  • Fractional Digital Phase Locked Loop (FDPLL96M)
  • 16 external interrupts
  • One non-maskable interrupt
  • Two-pin Serial Wire Debug (SWD) programming, test and debugging interface
  • Idle, standby, and off sleep modes
  • SleepWalking peripherals
  • Hardware Divide and Square Root Accelerator (DIVAS)
  • 12-channel Direct Memory Access Controller (DMAC)
  • 12-channel Event System
  • Up to eight 16-bit Timer/Counters (TC), configurable as either
  • One 16-bit TC with compare/capture channels
  • One 8-bit TC with compare/capture channels
  • One 32-bit TC with compare/capture channels, by using two TCs
  • Up to four compare channels with optional complementary output
  • Generation of synchronized pulse width modulation (PWM) pattern across port pins
  • Deterministic fault protection, fast decay and configurable dead-time between complementary outputs
  • Dithering that increase resolution with up to 5 bit and reduce quantization error
  • Frequency Meter
  • 32-bit Real Time Counter (RTC) with clock/calendar function
  • Watchdog Timer (WDT)
  • CRC-32 generator
  • CAN 2.0A/B
  • ISO CAN FD; ISO 1189801:2015
  • Each CAN interface have two selectable pin locations to switch between two external CAN transceivers (without the need for an external switch)
  • USART with full-duplex and single-wire half-duplex configuration
  • I2C up to 3.4MHz (Except SERCOM6 and SERCOM7)
  • SPI
  • LIN master/slave
  • RS-485
  • PMBus
  • Four Configurable Custom Logic (CCL)
  • Differential and single-ended input
  • Automatic offset and gain error compensation
  • Oversampling and decimation in hardware to support 13-, 14-, 15- or 16-bit resolution
  • One 16-bit Sigma-Delta Analog-to-Digital Converter (SDADC) with up to 3 differential channels
  • 10-bit, 350ksps Digital-to-Analog Converter (DAC)
  • Four Analog Comparators (AC) with window compare function
  • Integrated Temperature Sensor
  • Peripheral Touch Controller (PTC)
  • 256-Channel capacitive touch and proximity sensing I/O
  • Drop in compatible with select SAM D20 and SAM D21
  • Up to 84 GPIO
  • 2.7V – 5.5V
Parametrics
Name
Value
Part Family
SAMC21
Max CPU Speed MHz
48
Program Memory Size (KB)
256
SRAM (KB)
32
Auxiliary Flash (KB)
0.064
Temperature Range (C)
-40 to 85
Operating Voltage Range (V)
1.62 to 5.5
Direct Memory Access Channels
12
SPI
6
I2C
6
Hardware Touch Peripheral
PTC
Peripheral Pin Select / Pin Muxing
Yes
Number of USB Modules
1
ADC Input
20
Max ADC Resolution (Bits)
12
Max ADC Sampling Rate (ksps)
1000
Input Capture
8
Standalone Output Compare/Standard PWM
10
Motor Control PWM Channels
16
Max 16-bit Digital Timers
5
Parallel Port
GPIO
Number of Comparators
2
Internal Oscillator
32khz, 32Khz ULP, 8Mhz
Hardware RTCC/RTC
Yes
Max I/O Pins
84
Pincount
100

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The SAMC21N Xplained Pro evaluation kit is a hardware platform for evaluating the ATSAMC21N18A microcontroller (MCU). Supported by the Studio integrated development platform, the kit provides easy access to the features of the ATSAMC21N18A and explains how to integrate the device into a custom design.

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RS-485 Xplained Pro
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The RS485 Xplained Pro extension evaluation kit is ideal for evaluation and prototyping applications involving RS485 / 422 features of the SAM C21 Cortex®?-M0+ processor-based microcontrollers. SAM C21 Xplained Pro board can be purchased individually. The ATRS485-XPRO extension evaluation kit does not include Xplained Pro boards. For compatible Xplained Pro board please see the Related...

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ATSAMD21BLDC24V-STK
ATSAMD21BLDC24V-STK ( ATSAMD21BLDC24V-STK )

The kit contains an MCU control board featuring the ATSAMD21 microcontroller and embedded debugger and a driver board with ON Semiconductor drivers supporting motors operating up to 24V DC. The PCB is mounted on a chassis with a motor and can be directly connected to a PC running Studio and START for immediate development and debug of motor control applications.

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ATSAMC21 MCU BOARD
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The ATSAMC21MOTOR is an MCU card for Motor control starter kit - ATSAMxxxBDLCxxx-STK. The hardware has the SMART ARM based MCU, ATSAMC21J18, with integrated on-board debug support. The MCU card can be directly used with the currently available ATSAMD21BLDC24V-STK, a low voltage BLDC, PMSM motor control starter kit.

The ATSAMD21BLDC24V Base board can be found here -

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RoHS Information

Part Number
Device Weight (g)
Shipping Weight (Kg)
Lead Count
Package Type
Package Dimension
Solder Composition
JEDEC Indicator
RoHS
China EFUP
ATSAMC21N18A-ANT
0.497000
1.199000
100
TQFP
14x14x1mm
Matte Tin
e3
ATSAMC21N18A-AN
0.497000
4.088889
100
TQFP
14x14x1mm
Matte Tin
e3
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

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