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How to configure the STM8A microcontroller clocks

Posted: 12 Apr 2010 ?? ?Print Version ?Bookmark and Share

Keywords:STM8A microcontroller? configuring microcontroller clocks? STM8A CLK registers?

The STM8A microcontroller has a very flexible clock controller (CLK) that allows the clocks to be reconfigured at any time to suit different requirements or functional modes in the application.

There are four clock sources that can be used:

? 1-24MHz high speed external crystal (HSE);
? Up to 24MHz high speed user-external clock (HSE user-ext);
? 16MHz high speed internal RC oscillator (HSI);
? 128kHz low-speed internal RC (LSI).

This application note provides practical examples of how to program the STM8A CLK registers. The source code of the examples is included in the STM8 firmware library.

View the PDF document for more information.

Click here to view related datasheets.

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