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Microchip ATSAMC21E18A-AUT

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ATSAMC21E18A-AUT Overview

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.

ECAD Model

Symbol

ATSAMC21E18A-AUT

Footprint

ATSAMC21E18A-AUT

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)
  • 10-bit, 350ksps Digital-to-Analog Converter (DAC)
  • Three Analog Comparators (AC) with window compare function
  • Integrated Temperature Sensor
  • Peripheral Touch Controller (PTC)
  • 256-Channel capacitive touch and proximity sensing I/O
  • Up to 26 programmable I/O pins
  • Drop in compatible with select SAM D20 and SAM D21
  • 2.7V – 5.5V

Applications

SAM C21

Product Parameter

  • Core Processor ARM Cortex M0+

  • Speed 48MHz

  • Operating Temperature -40℃ ~ 85℃ (TA)

  • Program Memory Type FLASH

  • RAM Size 32K x 8

  • Number of I/O 26

  • Peripherals Brown-out Detect/Reset, DMA, POR, WDT

  • Mounting Type Surface Mount

  • Oscillator Type Internal

  • Supplier Device Package 32-TQFP (7x7)

  • Package / Case 32-TQFP

  • Core Size 32-Bit

  • Connectivity CANbus, I2C, LINbus, SPI, UART/USART

  • Program Memory Size 256KB (256K x 8)

  • Data Converters A/D 10x12b, 1x16b; D/A 1x10b

  • Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V

Circuit Diagram

ATSAMC21E18A-AUT Related Keywords

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  • ATSAMC21E18A-AUT Picture
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  • ATSAMC21E18A-AUT Specifications
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