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Low-cost 8-bit microprocessor family with a stack pointer, and a unified address space Harvard architecture. Don't use for STM32!

4 votes

Vcap Pin on STM8S003F3

Yes the unconnected Vcap is most likely cause. If you use the search functionality in PDF reader, you will find 11 mentions of Vcap, including information how to connect it properly.
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A question about the Clock control register high of I2C bus

There is nothing magical about it. When using Fast Mode where the I2C clock can be up to 400 kHz maximum speed, the clock needs to be at least 1600 ns low and 900 ns high after adding the signal rise …
Justme's user avatar
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