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| PartNumber | ATSAMD21E15A-AU | ATSAMD21BLDC24V-STK | ATSAMD21-XPRO |
| Description | ARM Microcontrollers - MCU 32KB 4KB32TQFP GRN1.6-3.6V48MHz | Power Management IC Development Tools ATSAMD21J18A based motor control kit | SAMD21J18A Microcontroller Evaluation Kit 0.032768MHz CPU 1MB Serial Flash |
| Manufacturer | Microchip | Microchip | Atmel |
| Product Category | ARM Microcontrollers - MCU | Power Management IC Development Tools | Evaluation Boards - Embedded - MCU, DSP |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | TQFP-32 | - | - |
| Series | SAMD21 | SAMD21 | SAM D |
| Core | ARM Cortex M0+ | - | ARM Cortex M0+ |
| Data Bus Width | 32 bit | - | 8 bit 32 bit |
| Maximum Clock Frequency | 48 MHz | - | - |
| Program Memory Size | 32 kB | - | - |
| Data RAM Size | 4 kB | - | - |
| ADC Resolution | 12 bit | - | - |
| Number of I/Os | 26 I/O | - | - |
| Operating Supply Voltage | 1.62 V to 3.63 V | - | 5 V |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Product | MCU | - | Evaluation Kits |
| Program Memory Type | Flash | - | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Data RAM Type | SRAM | - | - |
| Interface Type | LIN, I2C, I2S, SPI, USART | - | Serial I2C SPI USB |
| DAC Resolution | 10 bit | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 10 Channel | - | - |
| Number of Timers/Counters | 3 Timer | - | - |
| Processor Series | SAMD21E | - | - |
| Product Type | ARM Microcontrollers - MCU | Power Management IC Development Tools | - |
| Factory Pack Quantity | 1250 | 1 | - |
| Subcategory | Microcontrollers - MCU | Development Tools | - |
| Supply Voltage Max | 3.63 V | - | - |
| Supply Voltage Min | 1.62 V | - | - |
| Watchdog Timers | Watchdog Timer, Windowed | - | - |
| For Use With Related Products | - | - | ATSAMD21J18A |
| Type | - | - | MCU 32-Bit |
| Packaging | - | - | Bulk |
| Mounting Type | - | - | Fixed |
| Core Processor | - | - | ARMR CortexR-M0+ |
| Contents | - | - | Board(s) |
| Board Type | - | - | Evaluation Platform |
| Operating System | - | - | - |
| Platform | - | - | SAM D21 Xplained Pro |
| Description Function | - | - | For evaluating and prototyping with the Atmel SAM D21 |
| Tool Is For Evaluation Of | - | - | Xplained Pro |