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| Part Number | ATMEGA1281R231-MU |
| Description | IC RF TXRXMCU 802.15.4 64TQFP |
| Manufacturer | Microchip Technology |
| Series | - |
| Part Status | Active |
| Type | TxRx + MCU |
| RF Family/Standard | 802.15.4, General ISM > 1GHz |
| Protocol | 6LoWPAN, WirelessHART™, Zigbee® |
| Modulation | O-QPSK |
| Frequency | 2.4GHz |
| Data Rate (Max) | 2Mbps |
| Power - Output | 3dBm |
| Sensitivity | -101dBm |
| Memory Size | 128kB Flash, 4kB EEPROM, 8kB RAM |
| Serial Interfaces | SPI |
| GPIO | 54 |
| Voltage - Supply | 1.8V ~ 3.6V |
| Current - Receiving | 10.3mA ~ 12.3mA |
| Current - Transmitting | 7.4mA ~ 14mA |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 64-TQFP |