32-bit ARM Cortex-M3 microcontroller featuring 256KB FLASH memory and 52KB RAM. Operates at up to 96MHz with 57 programmable I/Os. Supports I2C, SPI, USB, UART, USART, and EBI/EMI interfaces. Includes 8 timers/counters, DMA, and a watchdog timer. Packaged in a TFBGA for surface mounting, with an operating temperature range of -40°C to 85°C and a supply voltage of 1.62V to 3.6V.
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Microchip ATSAM3U4CA-CU technical specifications.
| Package/Case | TFBGA |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 96MHz |
| Interface | I2C, SPI, USB, UART, USART, EBI/EMI |
| Lead Free | Lead Free |
| Max Frequency | 96MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 256KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 1.62V |
| Mount | Surface Mount |
| Number of I/Os | 57 |
| Number of Programmable I/O | 57 |
| Number of Timers/Counters | 8 |
| Oscillator Type | Internal |
| Package Quantity | 260 |
| Packaging | Tray |
| 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 |
| RoHS | Compliant |
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