| PartNumber | ATSAM4S2BA-AUR | ATSAM4S2BA-AU | ATSAM4S2BA-MU |
| Description | ARM Microcontrollers - MCU 64LQFP,GREEN, IND TEMP MRL A,128K FLASH,64K SRAM | ARM Microcontrollers - MCU GRNIND TEMPMRL A | ARM Microcontrollers - MCU GRNIND TEMPMRL A |
| 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-64 | LQFP-64 | VQFN-64 |
| Series | SAM4S | SAM4S | SAM4S |
| Core | ARM Cortex M4 | ARM Cortex M4 | ARM Cortex M4 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 120 MHz | 120 MHz | 120 MHz |
| Program Memory Size | 128 kB | 128 kB | 128 kB |
| Data RAM Size | 64 kB | 64 kB | 64 kB |
| ADC Resolution | 12 bit | 16 bit | 12 bit |
| Number of I/Os | 47 I/O | 47 I/O | 47 I/O |
| Operating Supply Voltage | 1.62 V to 3.6 V | 1.2 V | 1.2 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | Tray | Tray |
| Product | MCU+DSP | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Data RAM Type | SRAM | SRAM | SRAM |
| Interface Type | I2S, SPI, UART, USART, USB | I2C, SPI, UART, USART, USB | I2C, SPI, UART, USART |
| Analog Supply Voltage | 1.62 V to 3.6 V | 1.2 V | 1.2 V |
| DAC Resolution | 1 x 12 bit | - | 12 bit |
| I/O Voltage | 1.62 V to 3.6 V | 3.3 V | 3.3 V |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 16 Channel | 16 Channel | 16 Channel |
| Number of Timers/Counters | 2 x 16 bit | 6 x 16 bit | 6 x 16 bit |
| Processor Series | SAM4S | SAM4S | SAM4S |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 1500 | 160 | 260 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | 1.32 V | 1.32 V |
| Supply Voltage Min | 1.62 V | 1.08 V | 1.08 V |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | Watchdog Timer |
| Unit Weight | - | 0.705479 oz | 0.705479 oz |