32-bit ARM Cortex-M3 microcontroller featuring 128KB Flash memory and 32KB RAM. Operates at up to 64MHz with a 1.62V to 1.95V supply voltage range. Offers 34 programmable I/Os and supports SPI, UART, 2-Wire, I2C, USB, MMC, and USART interfaces. Includes peripherals such as DMA, PWM, and a watchdog timer. Packaged in QFN, this RoHS compliant component operates from -40°C to 85°C.
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Microchip ATSAM3S2AA-MU technical specifications.
| Package/Case | QFN |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 64MHz |
| Interface | SPI, UART, 2-Wire, I2C, USB, MMC, USART |
| Lead Free | Lead Free |
| Max Frequency | 64MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 1.95V |
| Memory Size | 128KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.62V |
| Number of I/Os | 34 |
| Number of Programmable I/O | 34 |
| Number of Timers/Counters | 6 |
| Oscillator Type | Internal |
| Package Quantity | 260 |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA, Temp Sensor |
| RAM Size | 32KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | SAM3S |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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