CC2531F256RHAR by Texas Instruments(TI) Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。CC2531F256RHAR Price reference $ 8.440000。CC2531F256RHAR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information CC2531F256RHAR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial