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| PartNumber | ATSAM4LS8BA-AU | ATSAM4LS8BA-MU | ATSAM4LS8BA-AUR |
| Description | ARM Microcontrollers - MCU TQFP,GREEN,IND TEMP,MRL A | ARM Microcontrollers - MCU QFN,GREEN,IND TEMP,MRL A | ARM Microcontrollers - MCU TQFPGRNIND TEMPMRL A |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | LQFP-64 | VQFN-64 | TQFP-64 |
| Series | SAM4L | SAM4L | SAM4L |
| Core | ARM Cortex M4 | ARM Cortex M4 | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Clock Frequency | 48 MHz | 48 MHz | - |
| Program Memory Size | 512 kB | 512 kB | - |
| Data RAM Size | 64 kB | 64 kB | - |
| ADC Resolution | 12 bit | 12 bit | - |
| Number of I/Os | 43 I/O | 43 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 | Reel |
| Program Memory Type | Flash | Flash | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | - |
| Interface Type | I2C, SPI, UART | I2C, 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 | 7 | 7 | - |
| Number of Timers/Counters | 3 Timer | 3 Timer | - |
| Processor Series | SAM4L | SAM4L | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 160 | 260 | 1500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 1.98 V | 1.98 V | - |
| Supply Voltage Min | 1.62 V | 1.62 V | - |
| Unit Weight | 0.012088 oz | 0.008021 oz | - |