The ATSAM3S4AA-AUR is a surface mount microcontroller with a 64MHz ARM Cortex-M3 core, 256KB of FLASH memory, and a variety of interfaces including I2C, SPI, USB, MMC, UART, and USART. It operates over a temperature range of -40°C to 85°C and can be supplied with a voltage between 1.62V and 3.6V. The device features a range of peripherals including brown-out detect/reset, power-on reset, PWM, watchdog timer, and DMA.
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| Package/Case | LQFP |
| Core Architecture | ARM |
| Frequency | 64MHz |
| Interface | I2C, SPI, USB, MMC, UART, USART |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 256KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.62V |
| Mount | Surface Mount |
| Number of I/Os | 34 |
| Operating Supply Voltage | 3.3V |
| Oscillator Type | Internal |
| Package Quantity | 2000 |
| Packaging | Cut Tape |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| Series | SAM3S |
| RoHS | Compliant |
