Atmel ATMEGA328P 8 Bit 28 Pins Microcontroller
Sepcifications
1. 4.5V-5.5V operating range
2. Up to 20MHz
3. Part: ATMEGA328P-AU
4. 32kB Flash program memory
5. 1kB EEPROM
6. 2kB Internal SRAM
7. Two8-bit Timer/Counters
8. One16-bit Timer/Counter
9. RTC with separate oscillator
10. 6 PWM Channels
11. 8 Channel 10-bit ADC
12. Serial USART
13. Master/Slave SPI interface
14. 2-wire (I2C) interface
15. Watchdog timer
16. Analog comparator
17. 23 IO lines
18. Data retention: 20 years at 85oC/ 100 years at 25oC