32-bit ARM Cortex-M3 microcontroller featuring 256KB Flash memory and 52KB RAM. Operates at up to 96MHz with 96 I/Os, supporting I2C, SPI, USB, UART, USART, and EBI/EMI interfaces. Includes 8 ADC channels, 4 PWM channels, 2 I2C channels, 5 SPI channels, and 3 timers. Packaged in a 144-pin LQFP for surface mounting, with a supply voltage range of 1.62V to 3.6V and an operating temperature range of -40°C to 85°C. RoHS compliant.
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| Address Bus Width | 32b |
| Package/Case | LQFP |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 96MHz |
| Height | 1.45mm |
| Interface | I2C, SPI, USB, UART, USART, EBI/EMI |
| Lead Free | Lead Free |
| Length | 20.1mm |
| Max Frequency | 96MHz |
| 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 ADC Channels | 8 |
| Number of I/Os | 96 |
| Number of I2C Channels | 2 |
| Number of PWM Channels | 4 |
| Number of SPI Channels | 5 |
| Number of Timers/Counters | 3 |
| Number of UART Channels | 1 |
| Oscillator Type | Internal |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| Radiation Hardening | No |
| RAM Size | 52KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | SAM3U |
| Watchdog Timer | Yes |
| Width | 20.1mm |
| RoHS | Compliant |
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