Hand in a project of electronic sphygmomanometer, recently to add bluetooth function, customer specified using TI CC2640R2F the chip, with multiple factors finally chose the smaller packaging size of RF - BM - 4044 b4 the BLE module, only 8 * 8 mm size,

After receiving module, in the TI website to download the SIMPLELINK CC2640R2 - v3.10.00.15 SDK, compiled simplelink_cc2640r2_sdk_3_10_00_15 \ examples \ rtos \ CC2640R2_LAUNCHXL \ ble5stack simple_peripheral below this routine, and then burn to 4044 b4, Lightblue search found with no radio
After detailed FAE, inquired about the letter chi da found their 4044 b4 is using a "power supply mode, TI official SDK package DCDC power supply by default, need in the C: \ \ simplelink_cc2640r2_sdk_3_10_00_15 \ source \ \ TI TI devices \ cc26x0r2 \ startup_files of CCFG C file to change the power supply mode, specific as follows
Recompile the routines, burn to 4044 b4, the module has broadcast

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