AT89S52-24PC by Microchip Design and production,in HongKong RichShine Technology Co., Limited Spot sales,And can pass HongKong RichShine Technology Co., Limited Purchasing。AT89S52-24PC Price reference $ 0。AT89S52-24PC - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information AT89S52-24PC Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial