| PartNumber | ATSAM4S4AA-MU | ATSAM4S4AA-AU | ATSAM4S4AA-AN |
| Description | ARM Microcontrollers - MCU QFNGREENIND | ARM Microcontrollers - MCU LQFPGRNIND TEMPMRL A | Microcontrollers - MCU ARM Microcontrollers - MCU LQFPGREENIND |
| Manufacturer | Microchip | Microchip | Atmel |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-48 | LQFP-48 | - |
| 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 | 256 kB | 256 kB | 256KB (256K x 8) |
| Data RAM Size | 64 kB | 64 kB | 64 kB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Operating Supply Voltage | 1.2 V | 1.2 V | 1.62 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 105 C |
| Packaging | Tray | Tray | Tray |
| Program Memory Type | Flash | Flash | FLASH |
| Brand | Microchip Technology | Microchip Technology | - |
| Data ROM Size | 16 kB | - | 16 kB |
| Interface Type | I2C, I2S, SPI, USART | I2C, SPI, UART, USART | I2C I2S SPI USART |
| Analog Supply Voltage | 1.2 V | 1.2 V | - |
| I/O Voltage | 3.3 V | 3.3 V | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 8 | 1 Channel | 8 |
| Number of Timers/Counters | 6 x 16 bit | 6 x 16 bit | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| Factory Pack Quantity | 260 | 250 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 1.32 V | 1.32 V | - |
| Supply Voltage Min | 1.08 V | 1.08 V | - |
| Unit Weight | 0.005309 oz | 0.047373 oz | 0.006409 oz |
| Number of I/Os | - | 79 I/O | - |
| Product | - | MCU | - |
| Data RAM Type | - | SRAM | - |
| DAC Resolution | - | 12 bit | - |
| Processor Series | - | SAM4S | - |
| Watchdog Timers | - | Watchdog Timer | - |
| Package Case | - | - | LQFP-48 |
| Operating Temperature | - | - | -40°C ~ 105°C (TA) |
| Supplier Device Package | - | - | 48-LQFP (7x7) |
| Number of I O | - | - | 34 |
| Speed | - | - | 120MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | |
| RAM Size | - | - | 64K x 8 |
| Peripherals | - | - | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Connectivity | - | - | I2C, IrDA, Memory Card, SPI, SSC, UART/USART, USB |
| Voltage Supply Vcc Vdd | - | - | 1.62 V ~ 3.6 V |
| Core Size | - | - | 32-Bit |
| Data Converters | - | - | A/D 8x12b |
| Oscillator Type | - | - | Internal |
| Number of Timers Counters | - | - | 2 Timer |