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STM32WB Datasheet(PDF) 9 Page - STMicroelectronics |
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STM32WB Datasheet(HTML) 9 Page - STMicroelectronics |
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9 / 23 page  IoT protection ready (1/2) radio stack and/or application FW update 9 Application Processor Arm® Cortex®-M4 FPU + MPU DSP instruction 64 MHz Network Processor Arm® Cortex®-M0+ 32 MHz Radio stack FW Application V 2.0 Closed Sub-system Radio + Key storage 1 New FW package received 2 New FW detected Update is launched 3 App Processor send New FW package signature and encryption key for authentication 4 Authentication signature matches preprogrammed key Case not, the process is aborted and device resets 5 New FW package is decrypted with proprietary Key. Device upload on going. FW Application V 2.0 -> V 1.0 Empty Flash Antenna |
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