[riot-notifications] [RIOT-OS/RIOT] cpu/stm32: fix wrong max clock for stm32f423xx line (#15831)
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Thu Jan 21 18:34:39 CET 2021
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### Contribution description
This PR provides an obvious fix for max cpu clock of the stm32f423xx cpu line.
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- describe which part(s) of RIOT is (are) involved
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### Testing procedure
One should check the value with the datasheet or [the ST website](https://www.st.com/en/microcontrollers-microprocessors/stm32f423zh.html#overview): "The STM32F423xH devices are based on the high-performance Arm® Cortex®-M4 32-bit RISC core operating at a frequency of up to 100 MHz"
Details steps to test your contribution:
- which test/example to compile for which board and is there a 'test' command
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### Issues/PRs references
Reported offline by @vincent-d who is using one cpu from this line.
Examples: Fixes #1234. See also #5678. Depends on PR #9876.
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-- Commit Summary --
* cpu/stm32: fix wrong max clock for stm32f423xx line
-- File Changes --
M cpu/stm32/kconfigs/f4/Kconfig.lines (2)
-- Patch Links --
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