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What should be the correct SBRV value after flashing stm32wb5x_BLE_Stack_full_fw at 0x080CE000 using FUS version 1.2.0 ? MCU is STM32WB5xxG(1M)

KOr.1
Associate

‎2022-08-10 02:22 PM

 
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Remy ISSALYS
ST Employee

‎2022-08-17 02:30 AM

Hello,

According to the AN5185:

  • If SBRV Option Bytes value is 0x3D800 (for FUS V0.5.3) or 0x3D000 (for FUS V1.x.z) then FUS must be running
  • If SBRV Option Bytes value is different from 0x3D800 (for FUS V0.5.3) and from 0x3D000 (for FUS V1.x.z) then FUS is not running

Best Regards

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Remi QUINTIN
ST Employee

‎2022-08-26 03:46 AM

And in that case the SBRRV option byte should be pointing at the start of the wireless stack, which, in case of a successful installation at 0x080CE000, should be 0x33800

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