ATSAMC21N18A-AN More Semiconductors - ICs by Microchip Technology
5-Volt 32-Bit ARM Cortex M0+ MCU with CAN-FD
| Status: | Active |
|---|---|
| Series: | ATSAMC21N18A |
| RoHS: | Compliant |
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.
Supported by MPLAB X IDE and MPLAB Harmony.
Functional Safety
This device supports the IEC 61508 (SIL 2/3) Functional Safety standard.
· 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.
Where to Buy
Prices starting from US$3.77
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 |
| 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 |
| Drop in compatible with select SAM D20 and SAM D21 |
| Up to 84 GPIO |
| 2.7V – 5.5V |
Specifications
| Part Family | SAMC21 |
|---|---|
| CPU Type | Cortex-M0+ |
| MaxSpeed (MHz) | 48 |
| 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 | 8 -SPI |
| I2C | 8 |
| UART | 8 |
| I2S | 8 |
| 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 | 22 |
| Max DAC Resolution (bits) | 10 |
| DAC outputs | 1 |
| Hardware Touch Peripheral | PTC |
| Number of Comparators | 2 |
| Motor Control PWM Channels | 16 |
| Quadrature Encoder Interface (QEI) | 0 |
| Internal Oscillator | 32khz, 32Khz ULP, 8Mhz |
| Hardware RTCC | Yes |
| Max I/O Pins | 84 |
| Pin Count | 100 |
| Low Power | No |
| Pins | Packaging | 100 | TQFP |
| Temp Range | -40C to +105C |
| Packing Media | Tray (90) |
Last 6 months Inventory & Pricing History
Resources
Data Sheets |
|---|
| SAM C20/C21 Family Data Sheet |
Brochures |
|---|
| 32-bit Microcontroller Families Brochure |
| 32-bit Peripherals Quick Reference Card |
| ATSAMC21 100-pin Motor Control Plug-In Module (PIM) Information Sheet |
Design Checklist |
|---|
| Basic 32-Bit MCU Design and Troubleshooting Checklist |
Environmental Information
| JEDEC Indicator | e3 |
|---|---|
| ROHS | Compliant |
| China EFUP | Compliant |
| Device Weight (g) | 0.497 |
| Shipping Weight (kg) | 4.088889 |
| Lead Count | 100 |
| Package Type | TQFP |
| Package Width or Size | 14x14x1mm |
| Soldering Composition | Matte Tin |
Alternative Descriptions
| 100TQFP,105C,GREEN,2.7-5.5V,48MHz,Tray | Microchip Technology |
| Mcu, 32Bit, 48Mhz, Tqfp-100 | Newark Electronics |
| Microcontroller 32-Bit ARM Cortex-M0+ RISC 256KB Flash 100-Pin TQFP | Avnet America |
| IC: ARM microcontroller | TME |
| MCU, 32BIT, 48MHZ, TQFP-100 | Farnell |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a ATSAMC21N18A-AN?
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Is the ATSAMC21N18A-AN RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by Microchip Technology.
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