| PartNumber | ATSAMC21J18A-MUT | ATSAMC21J18A-UUT | ATSAMC21N-XPRO |
| Description | ARM Microcontrollers - MCU 64QFN,85C TEMP, GREEN, 5V, 48MHZ, T&R | ARM Microcontrollers - MCU 64WLCSP,85C TEMP, GREEN, 5V, 48MHZ, T&R | Development Boards & Kits - ARM SAM C21N Xplained Pro evaluation kit |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | Development Boards & Kits - ARM |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | QFN-64 | WLCSP-56 | - |
| Series | ATSAMC21 | ATSAMC21 | ATSAMC21 |
| Core | ARM Cortex M0+ | ARM Cortex M0+ | ARM Cortex M0+ |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 48 MHz | 48 MHz | - |
| Program Memory Size | 256 kB | 256 kB | - |
| Data RAM Size | 32 kB | 32 kB | - |
| ADC Resolution | 12 bit | 12 bit | - |
| Number of I/Os | 52 I/O | 52 I/O | - |
| Operating Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Reel | Reel | - |
| Product | MCU | MCU | Evaluation Kits |
| Program Memory Type | Flash | Flash | - |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Data RAM Type | SRAM | SRAM | - |
| Interface Type | LIN, I2C, PMBus, Serial, SPI, USART | LIN, I2C, PMBus, Serial, SPI, USART | - |
| DAC Resolution | 10 bit | 10 bit | - |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 20 Channel | 20 Channel | - |
| Processor Series | SAM C21 | - | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | Development Boards & Kits - ARM |
| Factory Pack Quantity | 4000 | 5000 | 1 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Development Tools |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 2.7 V | 2.7 V | - |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | - |
| Tool Is For Evaluation Of | - | - | ATSAMC21N18A |