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-rw-r--r--testhal/STM32F4xx/RTC/mcuconf.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/testhal/STM32F4xx/RTC/mcuconf.h b/testhal/STM32F4xx/RTC/mcuconf.h
index 178b4be96..09567938f 100644
--- a/testhal/STM32F4xx/RTC/mcuconf.h
+++ b/testhal/STM32F4xx/RTC/mcuconf.h
@@ -66,7 +66,7 @@
/*
* ADC driver system settings.
*/
-#define STM32_ADC_ADCPRE ADC_CCR_ADCPRE_DIV2
+#define STM32_ADC_ADCPRE ADC_CCR_ADCPRE_DIV4
#define STM32_ADC_USE_ADC1 FALSE
#define STM32_ADC_USE_ADC2 FALSE
#define STM32_ADC_USE_ADC3 FALSE