Electrical characteristics
STM32F042x4 STM32F042x6
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DocID025832 Rev 5
Note:
For information on selecting the crystal, refer to the application note AN2867 “Oscillator
design guide for ST microcontrollers” available from the ST website
www.st.com
.
Figure 18. Typical application with a 32.768 kHz crystal
Note:
An external resistor is not required between OSC32_IN and OSC32_OUT and it is forbidden
to add one.
6.3.8
Internal clock source characteristics
The parameters given in
are derived from tests performed under ambient
temperature and supply voltage conditions summarized in
. The provided curves are characterization results, not tested in production.
069
26&B,1
26&B287
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