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| PartNumber | ATSAM3SD8BA-AU | ATSAM3SD8BA-MU | ATSAM3SD8BA-AUR |
| Description | ARM Microcontrollers - MCU LQFP,Grn, IT, MRL A | ARM Microcontrollers - MCU QFN,Grn, IT, MRL A | Microcontrollers - MCU ARM Microcontrollers - MCU LQFP,Green,IND TEMP,MRL A |
| Manufacturer | Microchip | Microchip | Atmel |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | QFP-64 | QFN-64 | - |
| Series | SAM3S | SAM3S | SAM3S |
| Core | ARM Cortex M3 | ARM Cortex M3 | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Clock Frequency | 64 MHz | 64 MHz | - |
| Program Memory Size | 512 kB | 512 kB | 512KB (512K x 8) |
| Data RAM Size | 64 kB | 64 kB | - |
| ADC Resolution | 12 bit | 12 bit | - |
| Number of I/Os | 47 I/O | 47 I/O | - |
| Operating Supply Voltage | 1.8 V | 1.8 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Tray | Tray | Digi-ReelR Alternate Packaging |
| Program Memory Type | Flash | Flash | FLASH |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Data RAM Type | SRAM | - | - |
| Data ROM Size | 16 kB | 16 kB | - |
| Data ROM Type | ROM | - | - |
| Interface Type | I2C, I2S, SPI, TWI, UART, USART | 2-Wire, RS-485, SPI, UART | - |
| Analog Supply Voltage | 3.3 V | 3.3 V | - |
| I/O Voltage | 3.3 V | 3.3 V | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 11 | 11 | - |
| Number of Timers/Counters | 6 Timer | 6 Timer | - |
| Processor Series | ARM Cortex | AT91SAM3S | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| Factory Pack Quantity | 160 | 260 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 1.9 V | 1.9 V | - |
| Supply Voltage Min | 1.62 V | 1.62 V | - |
| Unit Weight | 0.062237 oz | 0.007277 oz | - |
| Package Case | - | - | 64-LQFP |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Supplier Device Package | - | - | 64-LQFP (10x10) |
| Number of I O | - | - | 47 |
| Speed | - | - | 64MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | ARMR CortexR-M3 |
| RAM Size | - | - | 64K x 8 |
| Peripherals | - | - | Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT |
| Connectivity | - | - | I2C, IrDA, Memory Card, SPI, SSC, UART/USART, USB |
| Voltage Supply Vcc Vdd | - | - | 1.62 V ~ 3.6 V |
| Core Size | - | - | 32-Bit |
| Data Converters | - | - | A/D 10x10/12b, D/A 2x12b |
| Oscillator Type | - | - | Internal |
