ATSAMC21J18A-AZT by Microchip Technology

5-Volt 32-Bit ARM Cortex M0+ MCU with CAN-FD

Status: Active
Series: ATSAMC21J18A
RoHS: Compliant
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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. 

Available as a 64Mhz Device

Supported by MPLAB X IDE and MPLAB Harmony.

Functional Safety

This device supports the ISO 26262 (ASIL B), IEC 61508 (SIL 2/3) and IEC 60730 (Class B) functional safety standards.  

• The Functional Safety Manual, FMEDA and information on the Diagnostic Software are available under NDA through the request form on the 32-bit Microcontrollers Functional Safety web page.

·   To request any information about the SIL 2/3 STL, please fill out and submit the request form on Industrial Safety Self-Test Library web page.

·  Learn more about  32-bit MCUs with Functional Safety capabilities including device hardware and certified software libraries. 

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Features

ARM Cortex-M0+ CPU running at up to 64MHz
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) with up to 3 differential channels
10-bit, 350ksps Digital-to-Analog Converter (DAC)
Four 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 52 programmable I/O pins
Drop in compatible with select SAM D20 and SAM D21
2.7V – 5.5V

Specifications

Part Family SAMC21
CPU Type Cortex-M0+
MaxSpeed (MHz) 64
Program Memory Size (KB) 256
SRAM (KB) 32
Data EEPROM (bytes) 8192
Temp. Range Min. -40
Temp. Range Max. 125
Operation Voltage Min.(V) 2.7
Operation Voltage Max.(V) 5.5
Direct Memory Access (DMA) Channels 12
SPI 6 -SPI
I2C 6
UART 6
I2S 0
Ethernet None
USB Interface None
Number of USB Modules 0
Type of CAN module CAN-FD
Number of CAN Modules 2
Crypto Engine No
Max ADC Resolution (bits) 12
Max ADC Sampling Rate (ksps) 1000
ADC Channels 12
Max DAC Resolution (bits) 10
DAC outputs 1
Hardware Touch Peripheral PTC
Number of Comparators 4
Motor Control PWM Channels 14
Quadrature Encoder Interface (QEI) 0
Internal Oscillator 32khz, 32Khz ULP, 48Mhz
Hardware RTCC Yes
Max I/O Pins 52
Pin Count 64
Low Power No
Pins | Packaging 64 | TQFP
Temp Range -40C to +125C
Packing Media Tape and reel (1500)

Resources



Application Notes
32-bit Microcontroller Wafer-Level Chip-Scale Package (WLCSP)
AN3346 - Introduction to MPLAB X IDE and MPLAB Harmony v3 for Atmel Studio and ASF users
AN3589 - Using Sigma-Delta Analog-to-Digital Converter on SAMC MCU with MPLAB Harmony v3
AN_42382 - AT04056: Getting Started with FreeRTOS on SAM Flash MCUs
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
AN2757 - Sensored (Encoder-Based) Field Oriented Control of a Three Phase Permanent Magnet Synchronous Motor (PMSM)
MPLAB Harmony v3 Project Migration



Legacy Collaterals
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_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_42496 - AT12199: SAM C21 Sigma-Delta Analog-to-Digital Converter (SDADC) Drive
AN_42464 - AT6493: SAM C21/CAN BUS/Firmware
AN_42465 - AT6486: Using DIVAS on SAMC Microcontroller
AN_42466 - AT6491: Getting Started with SAM C21
AN_42467 - AT10294: Using the Sigma-Delta Analog to Digital Converter on SAMC MCU (SDADC)
AN_42468 - AT8547: RS-485 Communications using the SAM C21 Xplained Pro and RS-485 Xplained Pro
AN_42644 - AT12200: SAM C Divide and Square Root Accelerator (DIVAS) Driver
AN_42484 - AT13485: SAM C System (SYSTEM) Driver
AN_42470 - AT6490: Using LIN on SAMC Microcontroller
AN_42438 - AT09423: SAM-BA Overview and Customization Process
AN_42448 - AT10942: SAM Configurable Custom Logic (CCL) Driver
AN_42125 - AT03265: SAM D10/D11/D20/D21/R/L/C EEPROM Emulator (EEPROM) Service
AN_42257 - AT07683: SAM D09/D10/D11/D21/DA1/R/L/C Direct Memory Access Controller (DMAC) Driver
AN_42256 - AT07058: SAM D10/D11/D21/DA1/R/L/C Timer Counter for Control Applications (TCC) Driver
AN_42451 - AT11380: SAM L/C Analog-to-Digital Converter (ADC) Driver
AN_42647 - AT13486: SAM C System Clock Management (SYSTEM CLOCK) Driver
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_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_42117 - AT03250: SAM D/R/L/C I2C Master Mode (SERCOM I2C) Driver
AN_42506 - AT13481: SAM L22/C21/C20 Frequency Meter (FREQM) Driver
AN_42728 - AT15004:Using SAM-BA for Linux on SAM Devices
AN_42701 - AT12198: SAM C Brown Out Detector (BOD) Driver
AN_42698 - AT13526: ASF Manual (SAM C21)
Microprocessor or Microcontroller
Computers that You Wear Help Your Work and Play
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) 0.2867
Shipping Weight (kg) 0.574667
Lead Count 64
Package Type TQFP
Package Width or Size 10x10x1mm
Soldering Composition Matte Tin

Alternative Descriptions

64TQFP, 125C, GREEN, 5V, 48MHZ, T&R, 256K Flash | Microchip Technology


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

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