功能

• ATmega328 8 bit megaAVR Microcontroller
• The Atmel ATmega328 microcontroller is an 8 bit megaAVR device based on the AVR advanced RISC architecture.　The ATmega328 executes powerful instructions in a single clock cycle, balancing power consumption by 1 MIPS per MHz.
• Microcontroller Functionality
• 20 MHz Maximum Operating FrequencyUp to 20 MIPS @ 20 MHz 32 KB Flash 1024 B EEPROM 2 KB SRAM 131 Instruction Runs most instructions in a single clock cycleGeneral purpose register x 32 GPIO x 23 Calibrated oscillator with built-in power-on reset and programmable brownout detectionExternal/internal interrupt source5 energy-saving sleep modeInternal/external interruptFully static operation
• Peripheral Function
• 10 bit 15 ksps A/D converter (ADC) 8 or 6 channelCapacitive touch sense 16 channelTemperature sensor 2 8-bit timers 1 16 bit timer output comparison module 6 channels6 PWM channelsProgrammable serialUSART master/slave SPI serial interface byte oriented 2 wire-serial interface I2C compatibleProgrammable watchdog timer with independent oscillator Analog comparator Interrupt/wake up when pin changes