功能

• Description
• This is Atmel's high performance, low power 8-bit AVR ATMega328 microcontroller in a pint-sized TQFP package. Yes, you really can solder that.
• Features
• 1.8-5.5V operating range
• Up to 20MHz
• Part:ATMEGA328P-AU
• 32kB Flash program memory
• 1kB EEPROM
• 2kB Internal SRAM
• 2 8-bit Timer/Counters
• 1 16-bit Timer/Counter
• RTC with separate oscillator
• 6 PWM Channels
• 8 Channel 10-bit ADC
• Serial USART
• Master/Slave SPI interface
• 2-wire(I2C)interface
• Watchdog timer
• Analog comparator
• 23 IO lines
• Data retention:20 years at 85C/ 100 years at 25C