AT89LV55-12AI by ATMEL Design and production,in CHUNG ZE Internation Technology Limited Spot sales,And can pass CHUNG ZE Internation Technology Limited Purchasing。AT89LV55-12AI Price reference $ 1.120000。AT89LV55-12AI - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information AT89LV55-12AI Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial