| PartNumber | ATSAMD20G16B-MN | ATSAMD20G16B-MU | ATSAMD20G16B-MNT |
| Description | ARM Microcontrollers - MCU 48QFN 105C GREEN1.6- 3.6V48MHz | ARM Microcontrollers - MCU 48QFN IND TEMP GREEN 48MHz | ARM Microcontrollers - MCU 48QFN 105C GREEN1.6- 3.6V48MHz |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | VQFN-48 | VQFN-48 | VQFN-32 |
| 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 | 48 MHz |
| Program Memory Size | 64 kB | 64 kB | 64 kB |
| Data RAM Size | 8 kB | 8 kB | 8 kB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 38 I/O | 38 I/O | 38 I/O |
| Operating Supply Voltage | 1.62 V to 3.63 V | 1.62 V to 3.63 V | 3.3 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 105 C | + 85 C | + 105 C |
| Packaging | Tray | Tray | Reel |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Data RAM Type | SRAM | SRAM | SRAM |
| Interface Type | I2C, SPI, USART | I2C, SPI, USART | I2C, SPI, UART, USART |
| Analog Supply Voltage | 3.63 V | 3.63 V | 3.3 V |
| DAC Resolution | 1 x 10 bit | 1 x 10 bit | 10 bit |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 14 Channel | 14 Channel | 14 Channel |
| Number of Timers/Counters | 6 Timer | 6 Timer | 5 x 16 bit |
| Processor Series | SAMD20G | SAMD20G | SAMD20 |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 416 | 416 | 4000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.63 V | 3.63 V | 3.63 V |
| Supply Voltage Min | 1.62 V | 1.62 V | 1.62 V |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | Watchdog Timer |
| Development Kit | - | - | ATIO1-XPRO, ATSLCD1-XPRO, ATSAMD20-XPRO, ATETHERNET1-XPRO, ATSAMG55-XPRO, ATRS485-XPRO |