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| Part Number | ATSAM4S2AA-AU | ATSAM4S4AA-AU | ATSAM4S2AA-MU | ATSAM4S2BA-AU | ATSAM4S2CA-AU | ATSAM4LS2AA-AU |
|---|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Active | Active | Active | Active | Active | Active |
| Core Processor | ARM® Cortex®-M4 | ARM® Cortex®-M4 | ARM® Cortex®-M4 | ARM® Cortex®-M4 | ARM® Cortex®-M4 | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| Speed | 120MHz | 120MHz | 120MHz | 120MHz | 120MHz | 48MHz |
| Connectivity | I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB | I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB | I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB | I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB | EBI/EMI, I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB | I²C, IrDA, LINbus, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT |
| Number of I/O | 34 | 34 | 34 | 47 | 79 | 32 |
| Program Memory Size | 128KB (128K x 8) | 256KB (256K x 8) | 128KB (128K x 8) | 128KB (128K x 8) | 128KB (128K x 8) | 128KB (128K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash | Flash | Flash |
| EEPROM Size | - | - | - | - | - | - |
| RAM Size | 64K x 8 | 64K x 8 | 64K x 8 | 64K x 8 | 64K x 8 | 32K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.68V ~ 3.6V |
| Data Converters | A/D 8x12b | A/D 8x12b | A/D 8x12b | A/D 16x12b; D/A 2x12b | A/D 16x12b; D/A 2x12b | A/D 3x12b; D/A 1x10b |
| Oscillator Type | Internal | Internal | Internal | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 48-LQFP | 48-LQFP | 48-VFQFN Exposed Pad | 64-LQFP | 100-LQFP | 48-TQFP |
| Supplier Device Package | 48-LQFP (7x7) | 48-LQFP (7x7) | 48-QFN (7x7) | 64-LQFP (10x10) | 100-LQFP (14x14) | 48-TQFP (7x7) |
