1 files changed, 3 insertions, 0 deletions
diff --git a/source/main.c b/source/main.c
index fd753ea..89f3cf0 100644
--- a/source/main.c
+++ b/source/main.c
@@ -67,6 +67,9 @@ static void alarm_callback(RTCDriver *rtcp, rtcevent_t event)
 int main(void)
 {
     halInit();
+
+    RCC->CR &= ~(RCC_CR_PLLON); // Ensure that the PLL is off (unused).
+
     //chSysInit();
     buttons_init();