| PartNumber | ATSAM3N4AA-AU | ATSAM3N4BA-MU | ATSAM3N4AA-MU |
| Description | ARM Microcontrollers - MCU IND TEMP MRLA | ARM Microcontrollers - MCU IND TEMP MRLA | ARM Microcontrollers - MCU IND TEMP MRLA |
| 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 | LQFP-48 | QFN-64 | QFN-48 |
| Series | SAM3N | SAM3N | SAM3N |
| Core | ARM Cortex M3 | ARM Cortex M3 | ARM Cortex M3 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 48 MHz | 48 MHz | 48 MHz |
| Program Memory Size | 256 kB | 256 kB | 256 kB |
| Data RAM Size | 24 kB | 24 kB | - |
| ADC Resolution | 10 bit | 10 bit | - |
| Number of I/Os | 34 I/O | 47 I/O | 79 I/O |
| Operating Supply Voltage | 1.8 V | 1.8 V | 1.8 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | Tray | Tray |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | - |
| Data ROM Size | 16 kB | 16 kB | - |
| Data ROM Type | ROM | ROM | - |
| Interface Type | SPI, UART | SPI, UART | SPI, UART |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 8 | 10 | - |
| Number of Timers/Counters | 6 Timer | 6 Timer | - |
| Processor Series | ARM Cortex | ARM Cortex | SAM3N |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 250 | 260 | 260 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Unit Weight | 0.006409 oz | 0.007277 oz | 0.005309 oz |
| I/O Voltage | - | - | 3.3 V |
| Supply Voltage Max | - | - | 1.95 V |
| Supply Voltage Min | - | - | 1.62 V |