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See Product Specifications
| Part Number: | ATSAM3S4CA-AUR | 
| Category: | Integrated Circuits (ICs) | 
| Subcategory: | Embedded - Microcontrollers | 
| Manufacturer: | Microchip Technology | 
| Packaging: | Tape & Reel (TR) | 
| Product Status: | Active | 
| Core Processor: | ARM® Cortex®-M3 | 
| Core Size: | 32-Bit Single-Core | 
| Speed: | 64MHz | 
| 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: | 79 | 
| Program Memory Size: | 256KB (256K x 8) | 
| Program Memory Type: | FLASH | 
| EEPROM Size: | - | 
| RAM Size: | 48K x 8 | 
| Voltage - Supply (Vcc/Vdd): | 1.62V ~ 3.6V | 
| Data Converters: | A/D 15x10/12b; D/A 2x12b | 
| Oscillator Type: | Internal | 
| Operating Temperature: | -40°C ~ 85°C (TA) | 
| Mounting Type: | Surface Mount | 
| Package / Case: | 100-LQFP | 
| Supplier Device Package: | 100-LQFP (14x14) |