32-Bit MCUs
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32-Bit MCUs
- SAM 32-bit MCUs
- PIC 32-bit MCUs
- CEC 32-bit MCUs
- Legacy Products
- Development Boards
- Software Tools for PIC, SAM and AVR MCUs
- 32-bit Embedded Security Solutions
- Softpacks
- Other Tools and Resources
- Third Party Partners
- Community Forums
- PIC18F to PIC24F to SAMD2x Migration and Performance Enhancement Guide
Industry’s Broadest and Most Innovative 32-bit Microcontroller (MCU) Portfolio
Differentiate your design with our 32-bit microcontrollers which provide the performance and functional capabilities to meet design needs across a wide variety of applications. Our broad portfolio enables you to easily scale your design to meet market requirements. Develop with comprehensive and easy-to-use software solutions, including MPLAB® Harmony, Atmel START and a rich integrated development environment which shortens your time to market. Explore our hardware and software ecosystem and see how it can reduce your overall investment and make embedded designs an effortless experience.

Product Selection Guide
From entry level to high performance, our scalable portfolio of 32-bit MCUs provides the flexibility to create differentiated designs across a wide variety of applications. Find the product family that matches your design needs below. If your design outgrows the capabilities of our MCUs or if you want to use the Linux® operating system, our 32-bit microprocessors are a natural extension to our MCU portfolio.
Connectivity
- Highly integrated connectivity: CAN/CAN FD, Hi-Speed/Full-Speed USB, Ethernet/Ethernet-AVB, MediaLB® technology
- Free, professional-grade communication stacks (TCP/IP, USB, CAN)
- TLS/SSL security library - options available

Family | Core | Performance | Features |
---|---|---|---|
SAM C20/C21 | Arm® Cortex®-M0+ | Entry level | 5V operability with CAN FD and touch. Suitable for industrial applications |
PIC32MX | MIPS32 M4K® | Entry level and mid range | Mixed variants of connectivity: Full-Speed USB, CAN and Ethernet |
SAM 4E | Arm Cortex-M4F | Mid range | Connectivity options: CAN, Full-Speed USB, Ethernet including hardware crypto |
SAM E5x | Arm Cortex-M4F | Mid range | Touch, connectivity: Full-Speed USB, CAN FD, Ethernet including hardware crypto |
PIC32MK | MIPS32 microAptiv™ | Mid range | Advanced analog and control peripherals with connectivity options like Full-Speed USB and CAN, suitable for industrial and motor control applications |
PIC32MZ EF | MIPS32 M-Class | High performance | High memory density, advanced analog, advanced connectivity: High-Speed USB, CAN, Ethernet and hardware crypto |
PIC32MZ DA | MIPS32 microAptiv | High performance | High memory density, advanced analog, advanced connectivity: High-Speed USB, CAN, Ethernet, advanced graphics, integrated DDR2 DRAM including hardware crypto |
SAM S70 | Arm Cortex-M7 | High performance | High-Speed USB including hardware crypto |
SAM E70 | Arm Cortex-M7 | High performance | Advanced connectivity: High-Speed USB, CAN FD, Ethernet-AVB including hardware crypto |
Touch
- Integrated hardware Peripheral Touch Controller (PTC) with no external components required
- Enhanced PTC with Driven Shield Plus and Parallel Acquisition for superior water tolerance and faster response
- Atmel START integrated development environment for easy project creation and performance analysis
- QTouch® library with high robustness and Class B safety support

Family | Core | Performance | Features |
---|---|---|---|
SAM C20/C21 | Arm® Cortex®-M0+ | Entry level | 5V operability with CAN FD and featuring Peripheral Touch Controller (PTC) |
SAM L10/L11 | Arm Cortex-M23 | Entry level | Ultra-low power with security, featuring enhanced Peripheral Touch Controller (PTC), Driven Shield Plus and Parallel Acquisition to enable superior water tolerance, excellent noise immunity and faster response time (4x faster) |
SAM L21/L22 | Arm Cortex-M0+ | Entry level | Ultra-low power with Peripheral Touch Controller (PTC) with segment LCD and Full-Speed USB |
SAM D1x/D2x | Arm Cortex-M0+ | Entry level | Peripheral Touch Controller (PTC) with Full-Speed USB and I2S |
SAM D5x | Arm Cortex-M4F | Mid range | Peripheral Touch Controller (PTC) with Full-Speed USB, QSPI (XiP), Parallel Capture Controller (PCC) and I2S |
SAM E5x | Arm Cortex-M4F | Mid range | Peripheral Touch Controller (PTC), Full-Speed USB, CAN FD, Ethernet, QSPI (XiP), Parallel Capture Controller (PCC) and I2S |
Security
- Scalable hardware security solutions
- Software solutions for security
- Solutions for key provisioning

Family | Core | Performance | Features |
---|---|---|---|
Arm® Cortex®-M23 | Entry level | ||
SAML11-KPH variants provide all the hardware security features of the SAM L11 family. They are also securely pre-provisioned with a Trustonic Root of Trust (RoT) key and are supported by the Kinibi-M™ Software Development Kit (SDK). | |||
SAM L21/L22 | Arm Cortex-M0+ | Entry level | Ultra-low power with peripherals such as touch, SleepWalking, SERCOM and Event System, as well as hardware crypto (AES256, SHA256, GCM) and anti-tamper detection |
SAM D5x SAM E5x | Arm Cortex-M4F | Mid range | Low power with peripherals such as touch, SleepWalking, SERCOM and Event System, as well as hardware crypto (AES256, SHA256, GCM, ECC, RSA) and anti-tamper detection |
CEC | Arm Cortex-M4F | Mid range | Secure MCU with robust hardware cryptography cypher suite (AES256, SHA512, GCM, ECC, RSA) and immutable secure boot |
PIC32MZ EF | MIPS32 M-Class | High performance | Advanced analog, advanced connectivity and hardware crypto (AES256, SHA256, GCM) |
PIC32MZ DA | MIPS32 microAptiv™ | High performance | Advanced analog, advanced connectivity, advanced graphics, integrated DDR2 DRAM and hardware crypto (AES256, SHA256, GCM) |
SAM S70 SAM E70 | Arm Cortex-M7 | High performance | MCU with hardware crypto (AES256, SHA256, GCM) and anti-tamper detection |
Graphics
Accelerate your development with powerful and tightly integrated MPLAB® Harmony Graphics Suite (MHGS) tools and libraries, available for free within the MPLAB Harmony embedded software development framework:
- High quality and high integration for adding professional-looking Graphical User Interfaces (GUIs) and other graphical elements to your product design
- Reduces the time, cost and effort of software development
- Shortens your time to market

Family | Core | Performance | Features |
---|---|---|---|
SAM C2X SAM D2X | Arm® Cortex®-M0+ | Entry level | Serial Peripheral Interface (SPI) providing a high-speed interface to external graphics OLEDs for controller-less graphics applications |
PIC32MX 5/6/7 | MIPS32 M4K® | Mid range | Parallel Master Port (PMP) providing a high-speed interface to external graphics LCDs for controller-less graphics applications |
PIC32MK | MIPS32 microAptiv™ | Mid range | Advanced analog and control peripherals as well as Parallel Master Port (PMP) providing a high-speed interface to external graphics controllers |
SAM D5X SAM E5X | Arm Cortex-M4F | Mid-range | Serial Peripheral Interface (SPI) providing a high-speed interface to external graphics LCDs for controller-less graphics applications |
PIC32MZ DA | MIPS32 microAptiv | High performance | Advanced features for graphics such as 3-layer graphics controller, 2D GPU, integrated DDR2 DRAM along with advanced analog and connectivity peripherals. |
PIC32MZ EF | MIPS32 M-Class | High performance | External Bus Interface (EBI) and Parallel Master Port (PMP) providing a high-speed interface to external graphics LCDs for controller-less graphics applications |
SAM S70 SAM E70 | Arm Cortex-M7 | High performance | External Bus Interface (EBI) providing a high-speed interface to external graphics controller for controller-less graphics applications |
Ultra-Low Power
- Ultra-low power in active and sleep modes
- Short wakeup time from sleep
- SleepWalking peripherals and Event System
- Low leakage process technology
- Low-power tools: Power Debugger and Data Visualizer

Family | Core | Performance | Features |
---|---|---|---|
PIC32MM | MIPS32 microAptiv™ UC | Entry level | Power-efficient 32-bit MCU, down to 500 nA sleep current |
Arm® Cortex®-M23 | Entry level | ||
SAML11-KPH variants provide all the hardware security features of the SAM L11 family. They are also securely pre-provisioned with a Trustonic Root of Trust (RoT) key and are supported by the Kinibi-M™ Software Development Kit (SDK). | |||
SAM L21/L22 | Arm Cortex-M0+ | Entry level | Ultra-low power with power efficient peripherals such as touch, SleepWalking, SERCOM, Event System, and hardware crypto, down to 35 µA/MHz in active mode and 200 nA in OFF (deep sleep) mode |
SAM 4L | Arm Cortex-M4 | Entry level | Ultra-low power with segment LCD and hardware crypto; down to 90 µA/MHz in active mode and 0.9 uA in back up mode |
PIC32MX 1/2 XLP | MIPS32 M4K® | Entry level | Improved performance from PIC32MX 1/2 at lower power; down to 673 nA in deep sleep |
SAM G | Arm Cortex-M4F | Mid range | Ultra-low power in ultra-small form factor; down to 100 µA/MHz in active mode and 1.1 uA back up mode |
SAM D5x SAM E5x | Arm Cortex-M4F | Mid range | Low-power peripherals such as touch, SleepWalking, SERCOM, Event System and hardware crypto, down to 65 µA/MHz in active mode |
SAM S70 | Arm Cortex-M7 | High performance | Power efficient with High-Speed USB and hardware crypto |
SAM E70 | Arm Cortex-M7 | High performance | Power efficient with advanced connectivity: High-Speed USB, CAN FD, Ethernet-AVB and hardware crypto |
Motor Control
- High-performance MCU for better efficiency, low noise and reliability
- Optimized peripherals for low BOM
- Development tools, software algorithms and how-to guides

Family | Core | Performance | Features |
---|---|---|---|
SAM C21 | Arm® Cortex®-M0+ | Entry level | 5V operability with advanced analog (dual 12-bit 1 Msps ADC up to 20-ch, 1x 16-bit Sigma-Delta ADC up to 3-ch, 10-bit 350 ksps DAC, 4x AC), motor control PWM, and CAN FD. Suited for motor control and industrial applications |
SAM D2x | Arm Cortex-M0+ | Entry level | Advanced analog 12-bit 350 ksps ADC up to 20-ch, 10-bit 350 ksps DAC, 2x AC and motor control PWM |
SAM D5x SAM E5x | Arm Cortex-M4F | Mid range | SERCOM, Event System, advanced analog: dual 12-bit 1 Msps ADC up to 32-ch, dual 12-bit 1 Msps DAC, 2x AC, motor control PWM, and CAN FD (SAM E5x) |
PIC32MK | MIPS32 microAptiv™ | Mid range | Advanced analog: 7 x 12-bit 3.7 Msps with up to 20 Msps in interleaved mode, up to 42-ch, up to 3 x 12-bit 1 Msps DAC, 5x AC, 4x op amp), and control peripherals (motor control PWMs, 6x QEI), as well as connectivity (Full-Speed USB, CAN). Suited for industrial and motor control applications |
SAM S70 SAM E70 | Arm Cortex-M7 | High performance | Advanced connectivity (High-Speed USB, CAN FD, Ethernet), advanced analog (dual 12-bit 2 Msps ADC up to 24-ch, 12-bit 1 Msps DAC up to 2-ch, 1x AC), TCM (Tightly Coupled Memory) and motor control PWM |
Automotive
- Wide range offering: LIN/CAN FD connectivity, touch and high performance
- Automotive solutions for Ethernet-AVB, MOST®, AUTOSAR, CAN and LIN
- AEC-Q100 Grade 1/Grade 2 qualified

Family | Core | Performance | Features |
---|---|---|---|
PIC32MM | MIPS32 microAptiv™ UC | Entry level | Power efficient, AEC-Q100 Grade 1 (-40°C/125°C) qualified |
SAM C21 | Arm® Cortex®-M0+ | Entry level | 5V operability with advanced analog, SERCOM, Event System, PTC and CAN FD; AEC-Q100 Grade 1 (-40°C/125°C) qualification in process |
SAM D21 | Arm Cortex-M0+ | Entry level | SERCOM, Event System, PTC and advanced analog; AEC-Q100 Grade 1 (-40°C/125°C) qualified |
SAM DA | Arm Cortex-M0+ | Entry level | SERCOM, Event System, PTC and advanced analog; AEC-Q100 Grade 2 (-40°C/105°C) qualified |
SAM L10/L11 | Arm Cortex-M23 | Entry level | Enhanced PTC with Driven Shield Plus and Parallel Acquisition for superior water tolerance, excellent noise immunity and faster response with LIN connectivity; AEC-Q100 Grade 1 (-40°C/125°C) qualification in process |
SAM D5x SAM E5x | Arm Cortex-M4F | Mid range | SERCOM, Event System, PTC, advanced analog, connectivity (Full-Speed USB, CAN FD, Ethernet) and hardware Crypto; AEC-Q100 Grade 1 (-40°C/125°C) qualification in process |
PIC32MZ EF | MIPS32 M-Class | High performance | High-performance analog, advanced connectivity (High-Speed USB, CAN, Ethernet) and hardware crypto; AEC-Q100 Grade 1 (-40°C/125°C) qualified |
SAM V | Arm Cortex-M7 | High performance | Advanced connectivity (High-Speed USB, CAN FD, Ethernet-AVB, MediaLB® bus/MOST® connectivity) and hardware crypto; AEC-Q100 Grade 2 (-40°C/105°C) qualified |