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ATSAMC20N18A

5-Volt 32-Bit ARM Cortex M0+ Microcontroller

Status: In Production

Features:

  • ARM Cortex-M0+ CPU running at up to 48MHz
  • Hardware Divide and Square Root Accelerator (DIVAS)
  • Peripheral Touch Controller (PTC)
  • Up to 84 programmable I/O pins
  • Drop in compatible with select SAM D20 and SAM D21
  • 2.7V – 5.5V
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Overview
Documents
Development Environment
Similar Devices
RoHS Information
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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. 

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
  • Hardware debouncing (only on the 100Pin TQFP)
  • One non-maskable interrupt
  • Two-pin Serial Wire Debug (SWD) programming, test and debugging interface
  • Idle, standby, and off sleep modes
  • SleepWalking peripherals
  • 6-channel Direct Memory Access Controller (DMAC)
  • 6-channel Event System
  • One 16-bit TC with compare/capture channels
  • Hardware Divide and Square Root Accelerator (DIVAS)
  • 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
  • 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
  • One 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
  • Two 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 84 programmable I/O pins
  • Drop in compatible with select SAM D20 and SAM D21
  • 2.7V – 5.5V
Parametrics
Name
Value
Part Family
SAM C20
Max CPU Speed MHz
48
Program Memory Size (KB)
256
SRAM (KB)
32
Data EEPROM/HEF (Bytes)
8192
Temperature Range (C)
-40 to 105
Operating Voltage Range (V)
2.7 to 5.5
Direct Memory Access Channels
6
SPI
8
I2C
8
Hardware Touch Peripheral
PTC
Peripheral Pin Select / Pin Muxing
Yes
ADC Input
12
Max ADC Resolution (Bits)
12
Max ADC Sampling Rate (ksps)
1000
Input Capture
16
Standalone Output Compare/Standard PWM
16
Motor Control PWM Channels
14
Max 16-bit Digital Timers
8
Parallel Port
GPIO
Number of Comparators
2
Internal Oscillator
32khz, 32Khz ULP, 48Mhz
Hardware RTCC/RTC
Yes
Max I/O Pins
84
Pincount
100

Documents

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Data Sheet

08/25/2017
13269KB

Errata

Application Notes

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Development Environment

  • Demo & Evaluation Boards
  • Application Examples
Demo & Evaluation Boards
SAM C21N Xplained Pro evaluation kit
SAM C21N Xplained Pro evaluation kit ( ATSAMC21N-XPRO )

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.

The Xplained Pro MCU series evaluation kits include an on-board Embedded Debugger,...

Learn More
Add To Cart
SAM-ICE
SAM-ICE ( AT91SAM-ICE )

SAM-ICE is a JTAG emulator designed for SAMA5, SAM3, SAM4, SAM7 and SAM9 ARM® core-based MCUs and MPUs, including Thumb mode. It supports download speeds up to 720K Bytes per second and maximum JTAG speeds up to 12 MHZ. It also supports Serial Wire Debug (SWD) and Serial Wire Viewer (SWV) from SAM-ICE hardware V6.

Learn More
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Power Debugger kit
Power Debugger kit ( ATPOWERDEBUGGER )

Power Debugger is a powerful development tool for debugging and programming AVR microcontrollers using UPDI, JTAG, PDI, debugWIRE, aWire, TPI or SPI target interfaces and ARM® Cortex®-M based SAM microcontrollers using JTAG or SWD target interfaces.

In addition the Power Debugger has two independent current sensing channels for measuring and optimizing the power consumption of

...

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QT3 Xplained Pro extension kit
QT3 Xplained Pro extension kit ( ATQT3-XPRO )

QT3 Xplained Pro is a QTouch keypad extension board demonstrating an ultra-low power keypad design using the Peripheral Touch Controller (PTC). Utilizing the PTCs low power capabilities it enables markets lowest power wake-up on touch.

Note: QT3 Xplained Pro requires a compatible Xplained Pro evaluation kit. See the Related Tools tab for supported models.

Learn More
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RS-485 Xplained Pro
RS-485 Xplained Pro ( ATRS485-XPRO )

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...

Learn More
Add To Cart
SAMC20 QTR Demo
SAMC20 QTR Demo ( ATSAMC20-QTRDEMO )

The SAM C20 QTouch Robustness Evaluation kit demonstrates the high capacitive touch performance of the Peripheral Touch Controller (PTC) while achieving best-in-class conducted immunity and moisture tolerance required in home appliance and industrial applications.

The demo is based on the QTouch Library.

Key features:

    ...

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    RoHS Information

    Part Number
    Device Weight (g)
    Shipping Weight (Kg)
    Lead Count
    Package Type
    Package Width
    Solder Composition
    JEDEC Indicator
    RoHS
    China EFUP
    ATSAMC20N18A-ANT
    0.497000
    1.199000
    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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