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boards/nucleo-l4r5zi: add doxygen info about Vbat divider

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krzysztof-cabaj 2022-11-21 11:28:08 -05:00
parent f1a8e1f636
commit 633743240d
1 changed files with 7 additions and 0 deletions
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7
boards/nucleo-l4r5zi/include/periph_conf.h
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@ -136,6 +136,13 @@ static const spi_conf_t spi_config[] = {
*
* For Nucleo-L4R5ZI this information is in board manual,
* Table 11, page 38.
*
* VBAT is connected ADC1_IN18 and a voltage divider is used,
* so that only 1/3 of the actual VBAT is measured. This
* allows for a supply voltage higher than the reference voltage.
*
* For Nucleo-L4R5ZI more information is provided in MCU datasheet,
* in section 3.19.3 - Vbat battery voltage monitoring, page 46.
* @{
*/
static const adc_conf_t adc_config[] = {