AVR 28 Pin 20MHz 32K 6A/D - ATMega328P
Atmel's ATMega328P 8-Bit Processor in 28 pin DIP package.
It's 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.
Package can be programmed in circuit. 1.8V to 5V operating voltage!
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