AT91SAM9N12-CU by Microchip Design and production,in GUI XIN Group (Hong Kong) Limited Spot sales,And can pass GUI XIN Group (Hong Kong) Limited Purchasing。AT91SAM9N12-CU Price reference $ 9.216000。AT91SAM9N12-CU - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information AT91SAM9N12-CU Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial