diff --git a/Src/main.c b/Src/main.c
index ffb9c7e..cec5209 100644
--- a/Src/main.c
+++ b/Src/main.c
@@ -409,11 +409,11 @@ void SystemClock_Config(void)
   RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_11;
   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
-  RCC_OscInitStruct.PLL.PLLM = 4;
-  RCC_OscInitStruct.PLL.PLLN = 8;
+  RCC_OscInitStruct.PLL.PLLM = 3;
+  RCC_OscInitStruct.PLL.PLLN = 20;
   RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
-  RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
-  RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
+  RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV4;
+  RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV4;
   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
   {
     _Error_Handler(__FILE__, __LINE__);
@@ -442,8 +442,8 @@ void SystemClock_Config(void)
   PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
   PeriphClkInit.RngClockSelection = RCC_RNGCLKSOURCE_PLLSAI1;
   PeriphClkInit.PLLSAI1.PLLSAI1Source = RCC_PLLSOURCE_MSI;
-  PeriphClkInit.PLLSAI1.PLLSAI1M = 4;
-  PeriphClkInit.PLLSAI1.PLLSAI1N = 24;
+  PeriphClkInit.PLLSAI1.PLLSAI1M = 3;
+  PeriphClkInit.PLLSAI1.PLLSAI1N = 18;
   PeriphClkInit.PLLSAI1.PLLSAI1P = RCC_PLLP_DIV7;
   PeriphClkInit.PLLSAI1.PLLSAI1Q = RCC_PLLQ_DIV6;
   PeriphClkInit.PLLSAI1.PLLSAI1R = RCC_PLLR_DIV4;
@@ -1037,8 +1037,8 @@ void SysClock48()
     PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
     PeriphClkInit.RngClockSelection = RCC_RNGCLKSOURCE_PLLSAI1;
     PeriphClkInit.PLLSAI1.PLLSAI1Source = RCC_PLLSOURCE_MSI;
-    PeriphClkInit.PLLSAI1.PLLSAI1M = 4;
-    PeriphClkInit.PLLSAI1.PLLSAI1N = 24;
+    PeriphClkInit.PLLSAI1.PLLSAI1M = 3;
+    PeriphClkInit.PLLSAI1.PLLSAI1N = 18;
     PeriphClkInit.PLLSAI1.PLLSAI1P = RCC_PLLP_DIV7;
     PeriphClkInit.PLLSAI1.PLLSAI1Q = RCC_PLLQ_DIV6;
     PeriphClkInit.PLLSAI1.PLLSAI1R = RCC_PLLR_DIV4;
@@ -1087,11 +1087,11 @@ void SysClock72()
     RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_11;
     RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
     RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
-    RCC_OscInitStruct.PLL.PLLM = 4;
-    RCC_OscInitStruct.PLL.PLLN = 12;
+    RCC_OscInitStruct.PLL.PLLM = 3;
+    RCC_OscInitStruct.PLL.PLLN = 18;
     RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
-    RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
-    RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
+    RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV4;
+    RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV4;
     if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
     {
       _Error_Handler(__FILE__, __LINE__);
@@ -1114,8 +1114,8 @@ void SysClock72()
     PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
     PeriphClkInit.RngClockSelection = RCC_RNGCLKSOURCE_PLLSAI1;
     PeriphClkInit.PLLSAI1.PLLSAI1Source = RCC_PLLSOURCE_MSI;
-    PeriphClkInit.PLLSAI1.PLLSAI1M = 4;
-    PeriphClkInit.PLLSAI1.PLLSAI1N = 24;
+    PeriphClkInit.PLLSAI1.PLLSAI1M = 3;
+    PeriphClkInit.PLLSAI1.PLLSAI1N = 18;
     PeriphClkInit.PLLSAI1.PLLSAI1P = RCC_PLLP_DIV7;
     PeriphClkInit.PLLSAI1.PLLSAI1Q = RCC_PLLQ_DIV6;
     PeriphClkInit.PLLSAI1.PLLSAI1R = RCC_PLLR_DIV4;