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| PartNumber | ATSAMD21G15A-MU | ATSAMD21G15A-AU | ATSAMD21G15A-AUT |
| Description | ARM Microcontrollers - MCU 64KB 8KB 48QFN GRN 1.6-36V 48MHZ | Microcontrollers - MCU ARM Microcontrollers - MCU 64KB 8KB48TQFP GRN 1.6-36V 48MHZ | IC MCU 32BIT 32KB FLASH 48TQFP |
| Manufacturer | Microchip | - | - |
| Product Category | ARM Microcontrollers - MCU | - | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | QFN-48 | - | - |
| Series | SAMD21 | - | - |
| Core | ARM Cortex M0+ | - | - |
| Data Bus Width | 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 | 38 I/O | - | - |
| Operating Supply Voltage | 1.62 V to 3.63 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | - | - |
| Product | MCU | - | - |
| Program Memory Type | Flash | - | - |
| Brand | Microchip Technology / Atmel | - | - |
| Data RAM Type | SRAM | - | - |
| Interface Type | LIN, I2C, SPI, I2S, USART | - | - |
| DAC Resolution | 10 bit | - | - |
| Number of ADC Channels | 14 Channel | - | - |
| Number of Timers/Counters | 3 Timer | - | - |
| Processor Series | SAMD21G | - | - |
| Product Type | ARM Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 2080 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 3.63 V | - | - |
| Supply Voltage Min | 1.62 V | - | - |
| Watchdog Timers | Watchdog Timer | - | - |