EVB-USB5744 by Microchip Design and production,in GUI XIN Group (Hong Kong) Limited Spot sales,And can pass GUI XIN Group (Hong Kong) Limited Purchasing。EVB-USB5744 Price reference $ 408.135000。EVB-USB5744 - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information EVB-USB5744 Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial