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qmk_firmware/drivers/arm/i2c_master.h
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yiancarandYan-Fa Li 1acafc94f4 Correct ARM STM32 I2C frequency. (#7080) 
It was beleaved that this setting result in a 400Khz I2C bus.

This was incorrect, actual frequency measure with a logic analyzer was around 150Khz.

This is derived from the excel sheet linked in the .h file.
Also confirmed with the ST IDE.
2019-10-31 09:19:57 -07:00

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