| ADC Channels | 8Channels |
|---|---|
| IC Case / Package | TQFP |
| Embedded Interface Type | I2C |
| MSL | MSL 2 - 1 year |
| Base Number | ATmega |
| Supply Voltage Min | 2.7V |
| MCU Series | ATmega64 |
| CPU Speed | 20MHz |
| Product Range | AVR ATmega Family ATmega64 Series Microcontrollers |
| Device Core | AVR |
| ADC Resolution | 10Bit |
| MCU Case Style | TQFP |
| Operating Frequency Max | 20MHz |
| Operating Temperature Min | -40°C |
| No. of Pins | 44Pins |
| IC Mounting | Surface Mount |
| RAM Memory Size | 4KB |
| No. of I/O's | 32I/O's |
| Supply Voltage Max | 5.5V |
| Interfaces | I2C |
| Operating Temperature Max | 85°C |
| Program Memory Size | 64KB |
| MCU Family | AVR ATmega |
| Product Name | MICROCHIP ATMEGA644-20AU |
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