CC2540F256RHAR by Texas Instruments(TI) Design and production,in Fidelis Electronics Limited Spot sales,And can pass Fidelis Electronics Limited Purchasing。CC2540F256RHAR Price reference $ 5.260000。CC2540F256RHAR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information CC2540F256RHAR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial