Характеристики
| CPU Speed | 20 MIPS |
| EEPROM Memory | 2K Bytes |
| Input Output | 32 |
| Interface | 2-Wire/JTAG/SPI/USART |
| Memory Type | Flash |
| Number of Bits | :8 |
| Package Type | 44-pin TQFP |
| Programmable Memory | 64K Bytes RAM Size:4K Bytes Speed:20 MHz Timers: |
ATMEGA644P-20AUMicrochipMicrocontrollers