| PartNumber | ATSAM4C16CB-AU | ATSAM4C16CA-AU | ATSAM4C16CA-AUR |
| Description | ARM Microcontrollers - MCU LQFP, Green, IND TEMP, CRYPTO, 1ph SOC, MRLC, 256K, R | ARM Microcontrollers - MCU LQFP Green IND TEMP | ARM Microcontrollers - MCU LQFP Green IND TEMP |
| 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 | SMD/SMT |
| Package / Case | LQFP-100 | LQFP-100 | LQFP-100 |
| Core | ARM Cortex M4 | ARM Cortex M4 | ARM Cortex M4 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 120 MHz | 120 MHz | 120 MHz |
| Program Memory Size | 1 MB | 1 MB | 1 MB |
| Data RAM Size | 152 kB | 152 kB | 152 kB |
| ADC Resolution | 10 bit | 10 bit | 10 bit |
| Number of I/Os | 74 I/O | - | - |
| Operating Supply Voltage | 1.2 V | 1.2 V | 1.2 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | Tray | Reel |
| Product | MCU | - | - |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | - | - |
| Interface Type | SPI, UART/USART | I2C, SPI, USART | I2C, SPI, USART |
| Analog Supply Voltage | 3.3 V | - | - |
| I/O Voltage | 3.3 V | 3.3 V | 3.3 V |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 8 Channel | 8 | 8 |
| Number of Timers/Counters | 6 x 16 bit | 2 Timer | 2 Timer |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 90 | 90 | 1500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 1.32 V | 1.32 V | 1.32 V |
| Supply Voltage Min | 1.08 V | 1.08 V | 1.08 V |
| Watchdog Timers | Watchdog Timer | - | - |
| Unit Weight | 0.046530 oz | 0.046530 oz | 0.046530 oz |
| Data ROM Size | - | 8 kB | 8 kB |