| PartNumber | ATMEGA1281R231-AU | ATMEGA1281R212-AU | ATMEGA1281R212-MU |
| Description | RF Microcontrollers - MCU ATmega 1281V-8AU AT86RF231-ZU | RF Microcontrollers - MCU ATmega 1281V-8AU AT86RF212-ZU | RF Microcontrollers - MCU ATmega 1281V-8MU AT86RF212-ZU |
| Manufacturer | Microchip | Cypress Semiconductor | NXP |
| Product Category | RF Microcontrollers - MCU | RF Microcontrollers - MCU | RF Microcontrollers - MCU |
| RoHS | Y | - | - |
| Core | AVR | - | ARM Cortex M4 |
| Data Bus Width | 8 bit | - | 32 bit |
| Program Memory Size | 128 kB | - | 256 kB |
| Data RAM Size | 8 kB | - | 32 kB |
| Package / Case | MLF-64 | - | LQFP-64 |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Packaging | Tray | Reel | Reel |
| Program Memory Type | Flash | - | Flash |
| Series | ATmega1281R | CYW54907 | - |
| Brand | Microchip Technology / Atmel | Cypress Semiconductor | NXP / Freescale |
| Data RAM Type | SRAM | - | SRAM |
| Moisture Sensitive | Yes | - | - |
| Processor Series | megaAVR | - | - |
| Product Type | RF Microcontrollers - MCU | RF Microcontrollers - MCU | RF Microcontrollers - MCU |
| Factory Pack Quantity | 1 | 5000 | 2000 |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits |
| Tradename | AVR | WICED | - |
| Operating Frequency | - | - | 2.4 GHz |
| Maximum Clock Frequency | - | - | 50 MHz |
| ADC Resolution | - | - | 16 bit |
| Operating Supply Voltage | - | - | 1.8 V to 3.6 V |
| Maximum Operating Temperature | - | - | + 105 C |
| Interface Type | - | - | I2C, SPI, UART, USB |
| Minimum Operating Temperature | - | - | - 40 C |
| Supply Voltage Max | - | - | 3.6 V |
| Supply Voltage Min | - | - | 1.8 V |
| Part # Aliases | - | - | 935314943518 |
| Unit Weight | - | - | 0.006639 oz |