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| Part Number | ATSAM3U4CA-CU |
| Datasheet | ATSAM3U4CA-CU datasheet |
| Description | IC MCU 32BIT 256KB FLASH 100BGA |
| Manufacturer | Microchip Technology |
| Series | SAM3U |
| Part Status | Active |
| Core Processor | ARM® Cortex®-M3 |
| Core Size | 32-Bit |
| Speed | 96MHz |
| Connectivity | EBI/EMI, I²C, Memory Card, SPI, SSC, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT |
| Number of I/O | 57 |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 52K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.62V ~ 3.6V |
| Data Converters | A/D 4x10b, 4x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | Surface Mount |
| Supplier Device Package | 100-TFBGA |
| Base Part Number | 100-TFBGA (9x9) |