The high-performance Atmel picoPower 8-bit AVR RISC-based microcontroller combines 32KB ISP flash memory with read-while-write capabilities, 1024B EEPROM, 2KB SRAM, 23 general purpose I/O lines, 32 general purpose working registers, three flexible timer/counters with compare modes, internal and external interrupts, serial programmable USART, a byte-oriented 2-wire serial interface, SPI serial port, a 6-channel 10-bit A/D converter (8-channels in TQFP and QFN/MLF packages), programmable watchdog timer with internal oscillator, and five software selectable power saving modes.
 
Product Features:
Series: ATmega328P
Core: AVR
Data bus width: 8 bit
Maximum clock frequency: 20 MHz
Program memory size: 32 kB
Data RAM size: 2 kB
ADC resolution: 10 bit
Number of inputs/outputs: 23 I/O
Operating supply voltage: 1.8 V to 5.5 V
Interface type: I2C, SPI, USART
Program memory type: Flash
Data Ram Type: SRAM
Data ROM size: 1 kB
Data Rom Type: EEPROM
Number of ADC channels: 6
Number of timers/counters: 3 Timer
Processor family: megaAVR
Product Type: 8-bit Microcontrollers - MCU