Atmel ATMega328P 8-Bit Microcontroller in 28 pin SMD package. Its like the ATmega168, with double the flash space. 32K of program space. 23 I/O lines, 6 of which are channels for the 10-bit ADC. Runs up to 20MHz with external crystal. The package can be programmed in circuit. 1.8V to 5V operating voltage!ATmega328P – TQFP
This is Atmel’s high performance, low power 8-bit AVR ATmega328P-AU microcontroller in the TQFP package.
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
Documents:
ATmega328P Datasheet
Atmel Product Page
