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Richard Braun
Associate II
since ‎2018-07-19
‎2023-06-14

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Unexpected CCM state after using the STM32F4 boot loader

2018-07-03
Posted on July 03, 2018 at 12:06Hello,We use the STM32F4 boot loader to load a firmware directly to RAM and run from there, and we noticed that, for an unknown reason, the CCMDATARAMEN bit of RCC_AHB1ENR is not set, making the CCM unusable for very ...

Invalid USART status register reset value in documentation

2018-07-03
Posted on July 03, 2018 at 12:04Hello,I'd like to report a typo in the STM32F4 reference manual, RM0090, in 30.6.1 Status Register (USART_SR), where the default value is 0x00C0 0000. Actually the default value, is 0x0000 00C0, as can be inferred fro...
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