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Brushed DC Motors

Brushed DC (BDC) motors get their name from the brushes that are used for commutation. Because its speed and torque are proportional to the applied voltage and current, a BDC motor is easy to control. BDC motors are cost-effective, easy to design in and simple to control, making them suitable for use in a wide variety of applications. Our microcontrollers (MCUs), gate drivers and single-chip motor drivers enable you to create compact, robust and efficient brushed DC drives.

Typical Applications

  • Toys
  • Cellular phones
  • Wipers
  • Door locks
  • Window lifts
  • Antenna retractors
  • Seat adjusters
  • Anti-lock braking systems
  • Cordless hand drills
  • Electric lawnmowers

Recommended Products for Brushed DC Motor Control

Products On/Off
Control		 Speed
Control
(Open/Closed)		 Torque
Control		 Position
Control
(QEI)
Microcontrollers (MCUs) 8-bit PIC® and
AVR® MCUs		 8-bit PIC and
AVR MCUs		 8-bit PIC and
AVR MCUs		  
High-Side Switch
Gate Driver		 MIC50xx MIC50xx MIC50xx MIC50xx
Low-Side Switch
Gate Driver		 MIC44xx MIC44xx MIC44xx MIC44xx
Bidirectional
Gate Drivers		 ATA6823C
ATA6824C
MIC4606		 ATA6823C
ATA6824C
MIC4606		 ATA6823C
ATA6824C
MIC4606		 ATA6823C
ATA6824C
MIC4606
Print

Some Basics About Brushed DC Motors

How a Brushed DC Motor Works

  • Typically, the rotor, also known as the armature, has windings that terminate on a commutator
  • Brushes make and break contact with commutation segments to commutate power to the armature
  • The stator, or outer cylinder, of a permanent magnet DC motor has two or more magnets
  • The opposite polarities of the energized winding and the stator magnets attract, causing the rotor to rotate until it is aligned with the stator
  • As the rotor comes into alignment, the brushes move across the commutator contacts and energize the next winding

Brushed DC Motor Characteristics

  • Good controllability: on/off, proportional
  • Linear torque/current curve
  • Speed proportional to voltage applied
  • Requires maintenance
  • Low overloading capability
  • Low heat dissipation

Implementing Brushed DC Motor Control

How It Works

The speed of the brushed DC motor is controlled by the voltage applied to the armature, and the torque by the armature current. The flux and the torque can easily be controlled separately. This is the main principle on which all the modern control methods now rely. The controller is used to regulate the torque, speed, position or direction of the motor. Control can be implemented either in open or closed loop and the system can use feedback from optical encoder and limit switches.

Microcontroller Features for Bushed DC Motor Control

Basic I/O On/off control
Capture/Compare/Pulse-Width Modulation (CCP) Variable speed, torque
Comparators Overcurrent detection and protection
Analog-to-Digital Converters (ADCs) Motor voltage, current measurement and analog control input
Programable Gain Amplifiers (PGAs) Current measurement for torque control
Quadrature Encoder Interface (QEI) Interface with optical encoders

Gate Driver Configuration

Unidirectional Low-Side Configuration

This drive can control a BDC motor in one direction and is often used in safety-critical applications.

Unidirectional High-Side Configuration

This lowest-cost drive technique enables most applications to simply use an output pin from a PIC® or AVR® MCU to turn on the MOSFET.

Bidirectional H-Bridge Configuration

This drive can control a BDC motor in both directions.

Motor Control Hardware and Software Solutions

Featured Software Tools

Motor Control Application Algorithm and Software Library

To support the development of motor applications, we provide Brushed DC motor control examples.

MPLAB® X Integrated Development Environment (IDE)

MPLAB X Integrated Development Environment (IDE) is an expandable, highly configurable software program that incorporates powerful tools to help you discover, configure, develop, debug and qualify embedded designs for Microchip’s microcontrollers and digital signal controllers.

MPLAB Code Configurator (MCC)

MPLAB Code Configurator (MCC) is a free, graphical programming environment that generates seamless, easy-to-understand C code to be inserted into your project.

Featured Hardware Tools

See All Development Tools

Featured Application Notes

See All Application Notes

Products

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Product Status Automotive Recommended 5K Pricing CPU Type Architecture Max CPU Speed (MHz) Program Memory Size (KB) RAM (KB) DRAM Interface Data EEPROM/HEF (Bytes) Auxiliary Flash (KB) SDIO/SD-CARD/eMMC Temperature Range Operation Voltage Range Graphics Controller/GPU Direct Memory Access Channels ADC Input Max ADC Resolution (Bits) Number of DACs USB Interface Number of USB Modules Number of Comparators Timers Capture/Compare/PWM Peripherals Motor Control PWM Outputs UART/SPI/I2C Number of Op Amps I2S Peripheral Pin Select / Pin Muxing Vbat/Vddbu battery backup Low Power External Memory Bus Interface QSPI Quadrature Encoder Interface Crypto Engine Hardware Touch Peripheral Number of CAN Modules Type of CAN module Ethernet Pin count Packages
ATSAMD20E14 In Production No $1.16 Cortex-M0+ 32 48 16 2 No 0 0 0 -40 to 105 1.62V - 3.63V No 0 10 12 1 None 0 2 5 x 16-bit 2 x 32-bit 12 -Std. PWM 16-bit PWM resolutions 6 -Input Capture 0 4 -UART 4 -SPI 4 -I2C 0 0 Yes No Yes No 0 0 No PTC 0 None None 32 32/TQFP, 32/VQFN
ATSAMD20G14 In Production No $1.21 Cortex-M0+ 32 48 16 2 No 0 0 0 -40 to 105 1.62V - 3.63V No 0 14 12 1 None 0 2 5 x 16-bit 2 x 32-bit 12 -Std. PWM 16-bit PWM resolutions 8 -Input Capture 0 6 -UART 6 -SPI 6 -I2C 0 0 Yes No Yes No 0 0 No PTC 0 None None 48 48/TQFP, 48/VQFN
ATSAMD20J14 In Production No $1.28 Cortex-M0+ 32 48 16 2 No 0 0 0 -40 to 105 1.62V - 3.63V No 0 20 12 1 None 0 2 5 x 16-bit 2 x 32-bit 16 -Std. PWM 16-bit PWM resolutions 8 -Input Capture 0 6 -UART 6 -SPI 6 -I2C 0 0 Yes No Yes No 0 0 No PTC 0 None None 64 64/TQFP, 64/UFBGA, 64/VQFN
ATSAMD09C13 In Production No $0.71 Cortex-M0+ 32 48 8 4 No 0 0 0 -40 to 85 2.4V - 3.6V No 6 5 12 0 None 0 0 2 x 16-bit 1 x 32-bit 0 -Std. PWM 0-bit PWM resolutions 3 -Input Capture 6 2 -UART 2 -SPI 2 -I2C 0 0 Yes No No No 0 0 No 0 None None 14 14/SOIC
ATSAMD09D14 In Production No $0.80 Cortex-M0+ 32 48 16 4 No 0 0 0 -40 to 85 2.4V - 3.6V No 6 5 12 0 None 0 0 2 x 16-bit 1 x 32-bit 0 -Std. PWM 0-bit PWM resolutions 3 -Input Capture 6 2 -UART 2 -SPI 2 -I2C 0 0 Yes No No No 0 0 No 0 None None 14 24/VQFN
ATSAMD10C13 In Production No $0.76 Cortex-M0+ 32 48 8 4 No 0 0 0 -40 to 105 1.62V - 3.63V No 6 5 12 1 None 0 2 2 x 16-bit 1 x 32-bit 2 -Std. PWM 16-bit PWM resolutions 3 -Input Capture 8 2 -UART 2 -SPI 2 -I2C 0 0 Yes No Yes No 0 0 No PTC 0 None None 14 14/SOIC
ATSAMD10C14 In Production No $0.82 Cortex-M0+ 32 48 16 4 No 0 0 0 -40 to 105 1.62V - 3.63V No 6 5 12 1 None 0 2 2 x 16-bit 1 x 32-bit 2 -Std. PWM 16-bit PWM resolutions 3 -Input Capture 8 2 -UART 2 -SPI 2 -I2C 0 0 Yes No Yes No 0 0 No PTC 0 None None 14 14/SOIC
ATSAMD10D13 In Production No $0.80 Cortex-M0+ 32 48 8 4 No 0 0 0 -40 to 105 1.62V - 3.63V No 6 10 12 1 None 0 2 2 x 16-bit 1 x 32-bit 4 -Std. PWM 16-bit PWM resolutions 3 -Input Capture 8 3 -UART 3 -SPI 3 -I2C 0 0 Yes No Yes No 0 0 No PTC 0 None None 24 20/SOIC, 24/VQFN
ATSAMD10D14 In Production No $0.86 Cortex-M0+ 32 48 16 4 No 0 0 0 -40 to 105 1.62V - 3.63V No 6 10 12 1 None 0 2 2 x 16-bit 1 x 32-bit 4 -Std. PWM 16-bit PWM resolutions 3 -Input Capture 8 3 -UART 3 -SPI 3 -I2C 0 0 Yes No Yes No 0 0 No PTC 0 None None 24 20/SOIC, 20/WLCSP, 24/VQFN
ATSAMD11C14 In Production No $0.87 Cortex-M0+ 32 48 16 4 No 0 0 0 -40 to 105 1.62V - 3.63V No 6 5 12 1 Full Speed 1 2 2 x 16-bit 1 x 32-bit 4 -Std. PWM 16-bit PWM resolutions 3 -Input Capture 8 2 -UART 2 -SPI 2 -I2C 0 0 Yes No Yes No 0 0 No PTC 0 None None 14 14/SOIC
ATSAMD11D14 In Production No $0.96 Cortex-M0+ 32 48 16 4 No 0 0 0 -40 to 105 1.62V - 3.63V No 6 10 12 1 Full Speed 1 2 2 x 16-bit 1 x 32-bit 4 -Std. PWM 16-bit PWM resolutions 3 -Input Capture 8 3 -UART 3 -SPI 3 -I2C 0 0 Yes No Yes No 0 0 No PTC 0 None None 24 20/SOIC, 20/WLCSP, 24/VQFN
ATSAMD21E15L In Production No $1.35 Cortex-M0+ 32 48 32 4 No 1024 0 0 -40 to 125 1.62V - 3.63V No 12 14 12 1 None 0 4 5 x 16-bit 2 x 32-bit 6 -Std. PWM 16-bit PWM resolutions 11 -Input Capture 12 5 -UART 5 -SPI 5 -I2C 0 1 Yes No Yes No 0 0 No 0 None None 32 32/TQFP, 32/VQFN
ATSAMC20E15A In Production Yes $1.48 Cortex-M0+ 32 48 32 4 No 1024 0 0 -40 to 125 2.7V - 5.5V No 6 10 12 0 None 0 2 5 x 16-bit 2 x 32-bit 10 -Std. PWM 32-bit PWM resolutions 10 -Input Capture 12 4 -UART 4 -SPI 4 -I2C 0 0 Yes No No No 0 0 No PTC 0 None None 32 32/TQFP, 32/VQFN
ATSAMC20G15A In Production Yes $1.77 Cortex-M0+ 32 48 32 4 No 1024 0 0 -40 to 125 2.7V - 5.5V No 6 12 12 0 None 0 2 5 x 16-bit 2 x 32-bit 10 -Std. PWM 32-bit PWM resolutions 10 -Input Capture 14 4 -UART 4 -SPI 4 -I2C 0 0 Yes No No No 0 0 No PTC 0 None None 48 48/TQFP, 48/VQFN
ATSAMC20J15A In Production Yes $1.84 Cortex-M0+ 32 48 32 4 No 1024 0 0 -40 to 125 2.7V - 5.5V No 6 12 12 0 None 0 2 5 x 16-bit 2 x 32-bit 10 -Std. PWM 32-bit PWM resolutions 10 -Input Capture 14 4 -UART 4 -SPI 4 -I2C 0 0 Yes No No No 0 0 No PTC 0 None None 64 64/TQFP, 64/VQFN
ATSAMC21E15A In Production Yes $1.42 Cortex-M0+ 32 48 32 4 No 1024 0 0 -40 to 125 2.7V - 5.5V No 12 10 12 1 None 0 4 5 x 16-bit 2 x 32-bit 10 -Std. PWM 32-bit PWM resolutions 10 -Input Capture 14 4 -UART 4 -SPI 4 -I2C 0 0 Yes No No No 0 0 No PTC 1 CAN-FD None 32 32/TQFP, 32/VQFN
ATSAMC21G15A In Production Yes $1.76 Cortex-M0+ 32 48 32 4 No 1024 0 0 -40 to 125 2.7V - 5.5V No 12 12 12 1 None 0 4 5 x 16-bit 2 x 32-bit 10 -Std. PWM 32-bit PWM resolutions 10 -Input Capture 14 6 -UART 6 -SPI 6 -I2C 0 0 Yes No No No 0 0 No PTC 2 CAN-FD None 48 48/TQFP, 48/VQFN
ATSAMC21J15A In Production Yes $1.89 Cortex-M0+ 32 48 32 4 No 1024 0 0 -40 to 125 2.7V - 5.5V No 12 12 12 1 None 0 4 5 x 16-bit 2 x 32-bit 10 -Std. PWM 32-bit PWM resolutions 10 -Input Capture 14 6 -UART 6 -SPI 6 -I2C 0 0 Yes No No No 0 0 No PTC 2 CAN-FD None 64 64/TQFP, 64/VQFN
ATSAMD20E15 In Production Yes $1.20 Cortex-M0+ 32 48 32 4 No 0 0 0 -40 to 125 1.62V - 3.63V No 0 10 12 1 None 0 2 5 x 16-bit 2 x 32-bit 12 -Std. PWM 16-bit PWM resolutions 6 -Input Capture 0 4 -UART 4 -SPI 4 -I2C 0 0 Yes No Yes No 0 0 No PTC 0 None None 32 32/TQFP, 32/VQFN
ATSAMD20G15 In Production Yes $1.29 Cortex-M0+ 32 48 32 4 No 0 0 0 -40 to 125 1.62V - 3.63V No 0 14 12 1 None 0 2 5 x 16-bit 2 x 32-bit 12 -Std. PWM 16-bit PWM resolutions 8 -Input Capture 0 6 -UART 6 -SPI 6 -I2C 0 0 Yes No Yes No 0 0 No PTC 0 None None 48 48/TQFP, 48/VQFN
ATSAMD20J15 In Production Yes $1.35 Cortex-M0+ 32 48 32 4 No 0 0 0 -40 to 105 1.62V - 3.63V No 0 20 12 1 None 0 2 5 x 16-bit 2 x 32-bit 16 -Std. PWM 16-bit PWM resolutions 8 -Input Capture 0 6 -UART 6 -SPI 6 -I2C 0 0 Yes No Yes No 0 0 No PTC 0 None None 64 64/TQFP, 64/UFBGA, 64/VQFN
ATSAMD21E15 In Production Yes $1.30 Cortex-M0+ 32 48 32 4 No 1024 0 0 -40 to 125 1.62V - 3.63V No 12 10 12 1 Full Speed 1 2 5 x 16-bit 2 x 32-bit 6 -Std. PWM 16-bit PWM resolutions 6 -Input Capture 12 4 -UART 4 -SPI 4 -I2C 0 1 Yes No Yes No 0 0 No PTC 0 None None 32 32/TQFP, 32/VQFN, 35/WLCSP
ATSAMD21G15 In Production Yes $1.30 Cortex-M0+ 32 48 32 4 No 1024 0 0 -40 to 125 1.62V - 3.63V No 12 14 12 1 Full Speed 1 2 5 x 16-bit 2 x 32-bit 6 -Std. PWM 0-bit PWM resolutions 6 -Input Capture 14 6 -UART 6 -SPI 6 -I2C 0 1 Yes No Yes No 0 0 No PTC 0 None None 48 48/TQFP, 48/VQFN
ATSAMD21J15 In Production Yes $1.38 Cortex-M0+ 32 48 32 4 No 1024 0 0 -40 to 125 1.62V - 3.63V No 12 20 12 1 Full Speed 1 2 5 x 16-bit 2 x 32-bit 10 -Std. PWM 16-bit PWM resolutions 8 -Input Capture 14 6 -UART 6 -SPI 6 -I2C 0 1 Yes No Yes No 0 0 No PTC 0 None None 64 64/TQFP, 64/UFBGA, 64/VQFN
ATSAMDA1E14B In Production Yes $1.71 Cortex-M0+ 32 48 16 4 No 512 0 0 -40 to 105 2.7V - 3.63V No 12 10 12 1 Host, Device 1 2 5 x 16-bit 2 x 32-bit 0 -Std. PWM 0-bit PWM resolutions 6 -Input Capture 6 4 -UART 4 -SPI 4 -I2C 0 1 Yes No No No 0 0 No PTC 0 None None 32 32/TQFP, 32/VQFN
ATSAMDA1E15B In Production Yes $1.80 Cortex-M0+ 32 48 32 4 No 1024 0 0 -40 to 105 2.7V - 3.63V No 12 10 12 1 None 1 2 5 x 16-bit 2 x 32-bit 0 -Std. PWM 0-bit PWM resolutions 6 -Input Capture 6 4 -UART 4 -SPI 4 -I2C 0 1 Yes No No No 0 0 No PTC 0 None None 32 32/TQFP, 32/VQFN
ATSAMDA1G14B In Production Yes $2.00 Cortex-M0+ 32 48 16 4 No 512 0 0 -40 to 105 2.7V - 3.63V No 12 14 12 1 None 1 2 5 x 16-bit 2 x 32-bit 0 -Std. PWM 0-bit PWM resolutions 6 -Input Capture 6 6 -UART 6 -SPI 6 -I2C 0 1 Yes No No No 0 0 No PTC 0 None None 48 48/TQFP, 48/VQFN
ATSAMDA1G15B In Production Yes $2.11 Cortex-M0+ 32 48 32 4 No 1024 0 0 -40 to 105 2.7V - 3.63V No 12 14 12 1 Host, Device 1 2 5 x 16-bit 2 x 32-bit 0 -Std. PWM 0-bit PWM resolutions 6 -Input Capture 6 6 -UART 6 -SPI 6 -I2C 0 1 Yes No No No 0 0 No PTC 0 None None 48 48/TQFP, 48/VQFN
ATSAMDA1J14B In Production Yes $2.10 Cortex-M0+ 32 48 16 4 No 512 0 0 -40 to 105 2.7V - 3.63V No 12 20 12 1 None 1 2 5 x 16-bit 2 x 32-bit 0 -Std. PWM 0-bit PWM resolutions 8 -Input Capture 6 6 -UART 6 -SPI 6 -I2C 0 1 Yes No No No 0 0 No PTC 0 None None 64 64/TQFP
ATSAMDA1J15B In Production Yes $2.37 Cortex-M0+ 32 48 32 4 No 1024 0 0 -40 to 105 2.7V - 3.63V No 12 20 12 1 None 1 2 5 x 16-bit 2 x 32-bit 0 -Std. PWM 0-bit PWM resolutions 8 -Input Capture 6 6 -UART 6 -SPI 6 -I2C 0 1 Yes No No No 0 0 No PTC 0 None None 64 64/TQFP
ATSAMD21E16L In Production No $1.56 Cortex-M0+ 32 48 64 8 No 2048 0 0 -40 to 125 1.62V - 3.63V No 12 14 12 1 None 0 4 5 x 16-bit 2 x 32-bit 6 -Std. PWM 16-bit PWM resolutions 11 -Input Capture 12 5 -UART 5 -SPI 5 -I2C 0 1 Yes No Yes No 0 0 No 0 None None 32 32/TQFP, 32/VQFN
ATSAMD21G16L In Production No $1.64 Cortex-M0+ 32 48 64 8 No 2048 0 0 -40 to 125 1.62V - 3.63V No 12 18 12 1 None 0 4 5 x 16-bit 2 x 32-bit 10 -Std. PWM 16-bit PWM resolutions 13 -Input Capture 14 5 -UART 5 -SPI 5 -I2C 0 1 Yes No Yes No 0 0 No 0 None None 48 48/VQFN
ATSAMC20E16A In Production Yes $1.49 Cortex-M0+ 32 48 64 8 No 2048 0 0 -40 to 125 2.7V - 5.5V No 12 10 12 0 None 0 2 5 x 16-bit 2 x 32-bit 10 -Std. PWM 32-bit PWM resolutions 10 -Input Capture 12 4 -UART 4 -SPI 4 -I2C 0 0 Yes No No No 0 0 No PTC 0 None None 32 32/TQFP, 32/VQFN
ATSAMC20G16A In Production Yes $1.77 Cortex-M0+ 32 48 64 8 No 2048 0 0 -40 to 125 2.7V - 5.5V No 6 12 12 0 None 0 2 5 x 16-bit 2 x 32-bit 10 -Std. PWM 32-bit PWM resolutions 10 -Input Capture 14 4 -UART 4 -SPI 4 -I2C 0 0 Yes No No No 0 0 No PTC 0 None None 48 48/TQFP, 48/VQFN
ATSAMC20J16A In Production Yes $1.84 Cortex-M0+ 32 48 64 8 No 2048 0 0 -40 to 125 2.7V - 5.5V No 6 12 12 0 None 0 2 5 x 16-bit 2 x 32-bit 10 -Std. PWM 32-bit PWM resolutions 10 -Input Capture 14 4 -UART 4 -SPI 4 -I2C 0 0 Yes No No No 0 0 No PTC 0 None None 64 64/TQFP, 64/VQFN
ATSAMC21E16A In Production Yes $1.56 Cortex-M0+ 32 48 64 8 No 2048 0 0 -40 to 125 2.7V - 5.5V No 12 10 12 1 None 0 4 5 x 16-bit 2 x 32-bit 10 -Std. PWM 32-bit PWM resolutions 10 -Input Capture 14 4 -UART 4 -SPI 4 -I2C 0 0 Yes No No No 0 0 No PTC 1 CAN-FD None 32 32/TQFP, 32/VQFN
ATSAMC21G16A In Production Yes $1.71 Cortex-M0+ 32 48 64 8 No 2048 0 0 -40 to 125 2.7V - 5.5V No 12 12 12 1 None 0 4 5 x 16-bit 2 x 32-bit 10 -Std. PWM 32-bit PWM resolutions 10 -Input Capture 14 6 -UART 6 -SPI 6 -I2C 0 0 Yes No No No 0 0 No PTC 2 CAN-FD None 48 48/TQFP, 48/VQFN, 64/VQFN
ATSAMC21J16A In Production Yes $1.81 Cortex-M0+ 32 48 64 8 No 2048 0 0 -40 to 125 2.7V - 5.5V No 12 12 12 1 None 0 4 5 x 16-bit 2 x 32-bit 10 -Std. PWM 32-bit PWM resolutions 10 -Input Capture 14 6 -UART 6 -SPI 6 -I2C 0 0 Yes No No No 0 0 No PTC 2 CAN-FD None 64 64/TQFP, 64/VQFN
ATSAMD20E16 In Production Yes $1.35 Cortex-M0+ 32 48 64 8 No 0 0 0 -40 to 125 1.62V - 3.63V No 0 10 12 1 None 0 2 5 x 16-bit 2 x 32-bit 12 -Std. PWM 0-bit PWM resolutions 6 -Input Capture 0 4 -UART 4 -SPI 4 -I2C 0 0 Yes No Yes No 0 0 No PTC 0 None None 32 32/TQFP, 32/VQFN
ATSAMD20G16 In Production Yes $1.43 Cortex-M0+ 32 48 64 8 No 0 0 0 -40 to 125 1.62V - 3.63V No 0 14 12 1 None 0 2 5 x 16-bit 2 x 32-bit 12 -Std. PWM 16-bit PWM resolutions 8 -Input Capture 0 6 -UART 6 -SPI 6 -I2C 0 0 Yes No Yes No 0 0 No PTC 0 None None 48 48/TQFP, 48/VQFN
ATSAMD20J16 In Production Yes $1.50 Cortex-M0+ 32 48 64 8 No 0 0 0 -40 to 125 1.62V - 3.63V No 0 20 12 1 None 0 2 5 x 16-bit 2 x 32-bit 16 -Std. PWM 16-bit PWM resolutions 8 -Input Capture 0 6 -UART 6 -SPI 6 -I2C 0 0 Yes No Yes No 0 0 No PTC 0 None None 64 64/TQFP, 64/UFBGA, 64/VQFN
ATSAMD21E16 In Production Yes $1.51 Cortex-M0+ 32 48 64 8 No 2048 0 0 -40 to 125 1.62V - 3.63V No 12 10 12 1 Full Speed 1 2 5 x 16-bit 2 x 32-bit 6 -Std. PWM 16-bit PWM resolutions 6 -Input Capture 12 4 -UART 4 -SPI 4 -I2C 0 1 Yes No Yes No 0 0 No PTC 0 None None 32 32/TQFP, 32/VQFN, 35/WLCSP
ATSAMD21G16 In Production Yes $1.51 Cortex-M0+ 32 48 64 8 No 2048 0 0 -40 to 125 1.62V - 3.63V No 12 14 12 0 Full Speed 1 2 5 x 16-bit 2 x 32-bit 6 -Std. PWM 16-bit PWM resolutions 6 -Input Capture 14 6 -UART 6 -SPI 6 -I2C 0 1 Yes No Yes No 0 0 No PTC 0 None None 48 48/TQFP, 48/VQFN
ATSAMD21J16 In Production Yes $1.60 Cortex-M0+ 32 48 64 8 No 2048 0 0 -40 to 125 1.62V - 3.63V No 12 20 12 1 Full Speed 1 2 5 x 16-bit 2 x 32-bit 10 -Std. PWM 16-bit PWM resolutions 8 -Input Capture 14 6 -UART 6 -SPI 6 -I2C 0 1 Yes No Yes No 0 0 No PTC 0 None None 64 64/TQFP, 64/VQFN
ATSAMDA1E16B In Production Yes $1.89 Cortex-M0+ 32 48 64 8 No 2048 0 0 -40 to 105 2.7V - 3.63V No 12 10 12 1 None 1 2 5 x 16-bit 2 x 32-bit 0 -Std. PWM 0-bit PWM resolutions 6 -Input Capture 6 4 -UART 4 -SPI 4 -I2C 0 1 Yes No No No 0 0 No PTC 0 None None 32 32/TQFP, 32/VQFN
ATSAMDA1G16B In Production Yes $2.30 Cortex-M0+ 32 48 64 8 No 2048 0 0 -40 to 105 2.7V - 3.63V No 12 14 12 1 None 1 2 5 x 16-bit 2 x 32-bit 0 -Std. PWM 0-bit PWM resolutions 6 -Input Capture 6 6 -UART 6 -SPI 6 -I2C 0 1 Yes No No No 0 0 No PTC 0 None None 48 48/TQFP, 48/VQFN
ATSAMDA1J16B In Production Yes $2.76 Cortex-M0+ 32 48 64 8 No 2048 0 0 -40 to 105 2.7V - 3.63V No 12 20 12 1 Host, Device 1 2 5 x 16-bit 2 x 32-bit 0 -Std. PWM 0-bit PWM resolutions 8 -Input Capture 6 6 -UART 6 -SPI 6 -I2C 0 1 Yes No No No 0 0 No PTC 0 None None 64 64/TQFP
ATSAMD20E17 In Production No $1.45 Cortex-M0+ 32 48 128 16 No 0 0 0 -40 to 105 1.62V - 3.63V No 0 10 12 1 None 0 2 5 x 16-bit 2 x 32-bit 12 -Std. PWM 16-bit PWM resolutions 6 -Input Capture 0 4 -UART 4 -SPI 4 -I2C 0 0 Yes No Yes No 0 0 No PTC 0 None None 32 32/TQFP, 32/VQFN
ATSAMD20G17 In Production No $1.52 Cortex-M0+ 32 48 128 16 No 0 0 0 -40 to 105 1.62V - 3.63V No 0 14 12 1 None 0 2 5 x 16-bit 2 x 32-bit 12 -Std. PWM 16-bit PWM resolutions 8 -Input Capture 0 6 -UART 6 -SPI 6 -I2C 0 0 Yes No Yes No 0 0 No PTC 0 None None 48 45/WLCSP, 48/TQFP, 48/VQFN
ATSAMD20J17 In Production No $1.61 Cortex-M0+ 32 48 128 16 No 0 0 0 -40 to 105 1.62V - 3.63V No 0 20 12 1 None 0 2 5 x 16-bit 2 x 32-bit 16 -Std. PWM 16-bit PWM resolutions 8 -Input Capture 0 6 -UART 6 -SPI 6 -I2C 0 0 Yes No Yes No 0 0 No PTC 0 None None 64 64/TQFP, 64/UFBGA, 64/VQFN