ArduinoUno使用ATmega328P作为微控制器。其规格如下-
OperatingVoltage | 2.7-5.5V | | TemperatureRange(C) | -40到85 | 
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| NumberofPins | 32 | 
| ProgrammableI/Opins | 23 | 
| NumberofPWMPins | 6 | 
| ADC | 8通道,10位分辨率 | 
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| FlashMemory | 32KB | 
| SRAM | 2KB | 
| EEPROM | 1KB | 
| FlashRead/WriteCycles | 10000 | 
| EEPROMRead/WriteCycles | 100000 | 
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| UART | 1 | 
| SPI | 2 | 
| I2C | 1 | 
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| Timers | 2个8位定时器和1个16位定时器 | 
| RealTimeCounter | 是的 | 
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| Throughput | 16MHz时高达16MIPS | 
此外,您可以在此处获取有关ATmega328P的电流和功耗的信息。