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| PartNumber | ATSAM4LC2BA-MU | ATSAM4LC2BA-AU | ATSAM4LC2BA-AUR |
| Description | ARM Microcontrollers - MCU Cortex-M4, 128KB Fl USB, 21 Touch Ch. | ARM Microcontrollers - MCU TQFP, GREEN, IND TEMP, CRYPTO, MRL A | ARM Microcontrollers - MCU TQFP, GREEN, IND TEMP, CRYPTO, MRL A |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | N | N |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-64 | TQFP-64 | TQFP-64 |
| Series | SAM4L | SAM4L | SAM4L |
| Core | ARM Cortex M4 | ARM Cortex M4 | ARM Cortex M4 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 48 MHz | 48 MHz | 48 MHz |
| Program Memory Size | 128 kB | 256 kB | 256 kB |
| Data RAM Size | 32 kB | 32 kB | 32 kB |
| Number of I/Os | 43 I/O | 75 I/O | 75 I/O |
| Operating Supply Voltage | 1.8 V | 1.68 V to 3.6 V | 1.68 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | Tray | Reel |
| Height | 0.9 mm | - | - |
| Length | 9 mm | - | - |
| Program Memory Type | Flash | Flash | Flash |
| Width | 9 mm | - | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | RAM | SRAM | SRAM |
| Analog Supply Voltage | 3.3 V | 3.3 V | 3.3 V |
| I/O Voltage | 3.3 V | 3.3 V | 3.3 V |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 3 | 7 Channel | 7 Channel |
| Number of Timers/Counters | 3 x 16 bit | 3 x 16 bit | 3 x 16 bit |
| Processor Series | ARM Cortex | SAM4L | SAM4L |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 260 | 160 | 1500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 1.98 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 1.62 V | 1.68 V | 1.68 V |
| Unit Weight | 0.007277 oz | 0.065327 oz | - |
| ADC Resolution | - | 12 bit | 12 bit |
| Product | - | MCU | MCU |
| Interface Type | - | I2C, SPI, UART, USART, USB | I2C, SPI, UART, USART, USB |
| Watchdog Timers | - | Watchdog Timer | Watchdog Timer |