ATMEGA164P-20MU by Microchip Design and production,in GUI XIN Group (Hong Kong) Limited Spot sales,And can pass GUI XIN Group (Hong Kong) Limited Purchasing。ATMEGA164P-20MU Price reference $ 5.154400。ATMEGA164P-20MU - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information ATMEGA164P-20MU Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial