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| PartNumber | ATSAM4CMP32CB-AU | ATSAM4CMP32CA-AU | ATSAM4CMP32CA-AUR |
| Description | ARM Microcontrollers - MCU LQFP, Green, IND, Crypto, MRLB, 2048k, T | ARM Microcontrollers - MCU Poly phase, 7 channels, High accuracy - LQFP, Green,IND TEMP,CRYPTO, MRLA,2048K | ARM Microcontrollers - MCU Poly phase, 7 channels, High accuracy - LQFP, Green,IND TEMP, CRYPTO,MRLA,2048K |
| 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 |
| Series | ATSAM4CMP32C | - | - |
| 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 | 2048 kB | 2048 kB | 2048 kB |
| Data RAM Size | 256 kB | 304 kB | 304 kB |
| ADC Resolution | 10 bit | 10 bit | 10 bit |
| Number of I/Os | 52 I/O | 57 I/O | 57 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 | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | SRAM |
| Interface Type | I2C, SPI, UART, USART | I2C, SPI, UART, USART | I2C, SPI, UART, USART |
| I/O Voltage | 3.3 V | 3.3 V | 3.3 V |
| Number of ADC Channels | 6 Channel | 8 Channel | 8 Channel |
| Number of Timers/Counters | 2 Timer | 6 Timer | 6 Timer |
| Processor Series | SAM4CM | SAM4CM | SAM4CM |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 90 | 90 | 1000 |
| 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 | Watchdog Timer | Watchdog Timer |