ATSAMD20J15A-MU Microcontrollers - MCU by Microchip Technology

Status: Active
Series: ATSAMD20J15
RoHS: Compliant
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A low-power, high-performance Microchip's ARM® Cortex®-M0+ based flash microcontroller, the ATSAMD20J15 is ideal for a wide range of home automation, consumer, metering, and industrial applications. It features:

  • 32KB of flash and 4KB of SRAM
  • Up to 48MHz operating frequency
  • Six serial communication modules (SERCOM) configurable as UART/USART, SPI or I2C, eight 16-bit timer/counters, 32-bit Real Time clock and calendar, 16 PWM channels, one 20-channel 12-bit ADC, one 10-bit DAC
  • Support for up to 256 touch channels
  • 1.62V to 3.63V power supply
  • Easy pin migration to SAMD20E and SAMD20G devices



Supported by MPLAB X IDE and MPLAB Harmony.

Prices starting from US$1.94


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Features

ARM Cortex-M0+ CPU running at up to 48MHz
Single-cycle hardware multiplier
32KB in-system self-programmable Flash
4KB SRAM memory
Power-on reset (POR) and brown-out detection (BOD)
Internal and external clock options with 48MHdigital frequency locked loop (DFLL48M) and 48MHz to 96MHz
fractional digital phase locked loop (FDPLL96M)
External interrupt controller (EIC)
16 external interrupts
One non-maskable interrupt
Two-pin serial wire debug (SWD) programming, test and debugging interface
Idle and standby sleep modes
SleepWalking peripherals
8-channel event system
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
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 40kHz
SPI
Differential and single-ended input
1/2x to 16x programmable gain stage
Automatic offset and gain error compensation
Oversampling and decimation in hardware to support 13-, 14-, 15- or 16-bit resolution
10-bit, 350ksps digital-to-analog converter (DAC)
Two analog comparators (AC) with window compare function
256-channel capacitive touch and proximity sensing
52 GPIO pins
64-pin TQFP, QFN
64-ball UFBGA
1.62V to 3.63V
Down to 70µA/MHz in active mode
Down to 8µA running the peripheral Touch Controller
–40 to +105°C

Specifications

Part Family SAMD20
CPU Type Cortex-M0+
MaxSpeed (MHz) 48
Program Memory Size (KB) 32
SRAM (KB) 4
Data EEPROM (bytes) 0
Temp. Range Min. -40
Temp. Range Max. 105
Operation Voltage Min.(V) 1.62
Operation Voltage Max.(V) 3.63
SPI 6 -SPI
I2C 6
UART 6
I2S 0
Ethernet None
USB Interface None
Number of USB Modules 0
Type of CAN module None
Number of CAN Modules 0
Crypto Engine No
Max ADC Resolution (bits) 12
Max ADC Sampling Rate (ksps) 350
ADC Channels 20
Max DAC Resolution (bits) 10
DAC outputs 1
Hardware Touch Peripheral PTC
Number of Comparators 2
Motor Control PWM Channels 0
Quadrature Encoder Interface (QEI) 0
Internal Oscillator 32khz, 32Khz ULP, 8Mhz
Hardware RTCC Yes
Max I/O Pins 52
Pin Count 64
Low Power Yes
Pins | Packaging 64 | VQFN
Temp Range -40C to +85C
Packing Media Tray (260)

Resources



Application Notes
AN3346 - Introduction to MPLAB X IDE and MPLAB Harmony v3 for Atmel Studio and ASF users
AN_42472 - AT11491: Peripheral Power Consumption in Standby Mode for SAM D Devices
AN_42393 - AT09381: SAM D - Debugging Watchdog Timer Reset
AN_42411 - AT06549: Ultra Low Power Techniques
AN_42382 - AT04056: Getting Started with FreeRTOS on SAM Flash MCUs
AN_42305 - AT09002: SAM I2C - SPI Bootloader
AN_42336 - AT09331: ASF USB Stack Manual
AN2468 - Production Programming of Microchip AVR and SAM Microcontrollers
AN2466 - Using Atmel-ICE for AVR Programming In Mass Production
AN2520 - Sensorless Field Oriented Control (FOC) for a Permanent Magnet Synchronous Motor (PMSM) Using a PLL Estimator and Equation-based Flux Weakening (FW) Application Note
AN2587 - EMI, EMC, EFT, and ESD Circuit Design Consideration for 32-bit Microcontrollers Application Note
AN2584 - Integrated Power Factor Correction (PFC) and Sensorless
MPLAB Harmony v3 Project Migration




Legacy Collaterals
STK600-RC064SAM-72 User Guide
ATAN0114: Atmel QT4 Xplained Pro User Guide
Atmel QT1 Xplained Pro User Guide
Atmel QTouch General Library Peripheral Touch Controller User Guide
Beyond the IDE
AN_42115 - AT03255: SAM D/R/L/C Serial Peripheral Interface (SERCOM SPI) Driver
AN_42118 - AT03256: SAM D/R/L/C Serial USART (SERCOM USART) Driver
AN_42119 - AT03259: SAM D/R System Clock Management (SYSTEM CLOCK) Driver
AN_42120 - AT03260: SAM D/R System (SYSTEM) Driver
AN_42116 - AT03254: SAM D/R/L/C I2C Slave Mode (SERCOM I2C) Driver
AN_42122 - AT03261: SAM D/R/L/C System Interrupt (SYSTEM INTERRUPT) Driver
AN_42121 - AT03262: SAM D/R/L/C System Pin Multiplexer (SYSTEM PINMUX) Driver
AN_42123 - AT03263: SAM D/R/L/C Timer Counter (TC) Driver
AN_42124 - AT03264: SAM D/R/L/C Watchdog (WDT) Driver
AN_42126 - AT03266: SAM D/R/L/C RTC Calendar (RTC CAL) Driver
AN_42138 - AT03664: Getting Started with FreeRTOS on SAM D20/D21/R21/L21/L22
AN_42139 - AT03665: ASF Manual (SAM D20)
AN_42539 - AT11626: SAM D SERCOM USART Configuration
AN_42473 - AT11480: Analog Comparator Application Examples
AN_42235 - AT06857: Developing Extension Boards for the Xplained Pro Evaluation Kits
AN_42212 - AT03821: SAM D20 GPS Tracker Reference Design
AN_42238 - AT04189: UART based SAM-BA Bootloader for SAM D20
AN_42645 - AT11481: ADC Configurations with Examples
AN_42508 - AT10764: Software Library for AES-128 Encryption and Decryption
AN_42458 - AT11493: Waveform Generator and WAV Audio Player using DAC
AN_42325 - AT08774: SAM D20 PTC with I2C Slave
AN_42267 - AT05567: TC Capture on External Interrupt with the Event System on SAM D20
AN_42248 - AT04188: SAM D20 Power Measurements
AN_42455 - AT06037: SAM D20 SD Card Bootloader
AN_42438 - AT09423: SAM-BA Overview and Customization Process
AN_42125 - AT03265: SAM D10/D11/D20/D21/R/L/C EEPROM Emulator (EEPROM) Service
AN_42205 - AT03304: SAM D20 I2C Slave Bootloader
AN_42344 - AT09339: USB Host Interface (UHI) for Mass Storage Class (MSC)
AN_42346 - AT09341: USB Host Interface (UHI) for Vendor Class Device
AN_42338 - AT09333: USB Host Interface (UHI) for Communication Class Device (CDC)
AN_42342 - AT09337: USB Host Interface (UHI) for Human Interface Device Mouse (HID Mouse)
AN_42337 - AT09332: USB Device Interface (UDI) for Communication Class Device (CDC)
AN_42345 - AT09340: USB Device Interface (UDI) for Vendor Class Device
AN_42339 - AT09334: USB Device Interface (UDI) for Human Interface Device Generic (HID Generic)
AN_42370 - AT08569: Optimizing ASF Code Size to Minimize Flash and RAM Usage
AN_42724 - AT17284: Proximetry Cloud Based Smart Plug User Guide
AN_42341 - AT09336: USB Device Interface (UDI) for Human Interface Device Mouse (HID Mouse)
AN_42343 - AT09338: USB Device Interface (UDI) for Mass Storage Class (MSC)
AN_42340 - AT09335: USB Device Interface (UDI) for Human Interface Device Keyboard (HID Keyboard)
AN_42386 - AT10828: DALI Slave Stack for SAM D20/D21
AN_42371 - AT07685: CPU Usage Demonstration using DMAC Application
AN_42175 - AT04168: SAM D20 Schematic Checklist
AN_42149 - AT03789: SAM D10/D11/D20/D21/DA1/R Brown Out Detector (BOD) Driver
AN_42189 - AT04389: Connecting SAMD20E to the AT86RF233 Transceiver
AN_42107 - AT03229: SAM D/R/L/C Peripheral Access Controller (PAC) Driver
AN_42106 - AT03242: SAM D20/D21/D10/D11/DA1/L/C Analog Comparator (AC) Driver
AN_42109 - AT03243: SAM D/R Analog to Digital Converter (ADC) Driver
AN_42110 - AT03244: SAM D20/D21/D10/D11/DA1/C21 Digital-to-Analog Driver (DAC)
AN_42108 - AT03245: SAM D/R/L/C Event System (EVENTS) Driver
AN_42112 - AT03246: SAM D/R/L/C External Interrupt (EXTINT) Driver
AN_42114 - AT03247: SAM D/R/L/C Non-Volatile Memory (NVM) Driver
AN_42113 - AT03248: SAM D/R/L/C Port (PORT) Driver
AN_42111 - AT03249: SAM D/R/L/C RTC Count (RTC COUNT) Driver
AN_42147 - AT03293: Getting started with SAM D20
AN_42117 - AT03250: SAM D/R/L/C I2C Master Mode (SERCOM I2C) Driver
AN_42728 - AT15004:Using SAM-BA for Linux on SAM Devices
Bringing the Best of Microcontroller Innovations to New Cortex-M0+ Devices
Atmel QTouch Library Peripheral Touch Controller (v5.9.211)
Microprocessor or Microcontroller
Computers that You Wear Help Your Work and Play
Atmel QTouch Modular Library Peripheral Touch Controller (v1.0.000)
Designing Feature-Rich User Interfaces for Home and Industrial Controllers
AN2465 - SAM D21 SERCOM SPI Configuration
ASF4 API Reference Manual
SAM-BA Monitor for ROMless Cortex M Devices - SAM-BA® Monitor for ROMless Cortex Devices Application Note
How to Customize ASFv3 SAM-BA Bootloader on Cortex-





Environmental Information

JEDEC Indicator e3
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.1885
Shipping Weight (kg) 0.846154
Lead Count 64
Package Type VQFN
Package Width or Size 9x9x1mm
Soldering Composition Matte Tin

Alternative Descriptions

64QFN IND TEMP, GREEN,1.6-3.6V,48MHz | Microchip Technology
Mcu, 32Bit, Cortex-M0+, 48Mhz, Qfn-64 | Newark Electronics
MCU 32-bit SAM D20J ARM Cortex M0+ RISC 32KB Flash 1.8V/ 2.5V/ 3.3V 64-Pin QFN Tray | Avnet America
MCU, 32BIT, CORTEX-M0+, 48MHZ, QFN-64 | element14


Frequently Asked Questions

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The ATSAMD20J15A-MU is listed under Semiconductors - ICs > Microcontrollers - MCU > 16 / 32 Bit Microcontrollers - MCU - ARM.

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You can view similar parts to ATSAMD20J15A-MU when available in the 16 / 32 Bit Microcontrollers - MCU - ARM range under the specifications section at the bottom of the details page.

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Is the ATSAMD20J15A-MU RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Microchip Technology.

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