ATMEGA644PA-MUR MCU 8-bit AVR RISC 64KB Flash 2.5V/3.3V/5V 44-Pin VQFN EP T/R
From MICROCHIP TECHNOLOGY
| # I/Os (Max) | 32 |
| ADC Resolution | 10 |
| Clock Freq | 20(MHz) |
| Cpu Family | ATmega |
| Device Core | AVR |
| Device Core Size | 8(b) |
| Frequency | 20(MHz) |
| Instruction Set Architecture | RISC |
| Interface Type | SPI/USART |
| Mounting | Surface Mount |
| Number of Timers - General Purpose | 3 |
| On-Chip ADC | 8 |
| Operating Supply Voltage (Max) | 5.5(V) |
| Operating Supply Voltage (Min) | 1.8(V) |
| Operating Supply Voltage (Typ) | 2.5/3.3/5(V) |
| Operating Temp Range | -40C to 85C |
| Operating Temperature (Max) | 85C |
| Operating Temperature (Min) | -40C |
| Operating Temperature Classification | Industrial |
| Package Type | VQFN EP |
| Packaging | Tape and Reel |
| Pin Count | 44 |
| Program Memory Size | 64KB(kB) |
| Program Memory Type | Flash |
| Programmable | Yes |
| Rad Hardened | No |
| Total Internal Ram Size | 4KB(kB) |
