diff --git a/boards/arm/nucleo_f746zg/nucleo_f746zg.dts b/boards/arm/nucleo_f746zg/nucleo_f746zg.dts
index 1674f0de74e..1a3d3c6e35a 100644
--- a/boards/arm/nucleo_f746zg/nucleo_f746zg.dts
+++ b/boards/arm/nucleo_f746zg/nucleo_f746zg.dts
@@ -74,19 +74,19 @@
 
 &pll {
 	div-m = <4>;
-	mul-n = <72>;
+	mul-n = <216>;
 	div-p = <2>;
-	div-q = <3>;
+	div-q = <9>;
 	clocks = <&clk_hse>;
 	status = "okay";
 };
 
 &rcc {
 	clocks = <&pll>;
-	clock-frequency = <DT_FREQ_M(72)>;
+	clock-frequency = <DT_FREQ_M(216)>;
 	ahb-prescaler = <1>;
-	apb1-prescaler = <2>;
-	apb2-prescaler = <1>;
+	apb1-prescaler = <4>;
+	apb2-prescaler = <2>;
 };
 
 &usart2 {
diff --git a/boards/arm/nucleo_f756zg/nucleo_f756zg.dts b/boards/arm/nucleo_f756zg/nucleo_f756zg.dts
index fd77ddf83d3..01cec2c0765 100644
--- a/boards/arm/nucleo_f756zg/nucleo_f756zg.dts
+++ b/boards/arm/nucleo_f756zg/nucleo_f756zg.dts
@@ -68,19 +68,19 @@
 
 &pll {
 	div-m = <4>;
-	mul-n = <72>;
+	mul-n = <216>;
 	div-p = <2>;
-	div-q = <3>;
+	div-q = <9>;
 	clocks = <&clk_hse>;
 	status = "okay";
 };
 
 &rcc {
 	clocks = <&pll>;
-	clock-frequency = <DT_FREQ_M(72)>;
+	clock-frequency = <DT_FREQ_M(216)>;
 	ahb-prescaler = <1>;
-	apb1-prescaler = <2>;
-	apb2-prescaler = <1>;
+	apb1-prescaler = <4>;
+	apb2-prescaler = <2>;
 };
 
 &usart2 {
diff --git a/boards/arm/nucleo_f767zi/nucleo_f767zi.dts b/boards/arm/nucleo_f767zi/nucleo_f767zi.dts
index f32c0b648a7..74c26113555 100644
--- a/boards/arm/nucleo_f767zi/nucleo_f767zi.dts
+++ b/boards/arm/nucleo_f767zi/nucleo_f767zi.dts
@@ -75,19 +75,19 @@
 
 &pll {
 	div-m = <4>;
-	mul-n = <72>;
+	mul-n = <216>;
 	div-p = <2>;
-	div-q = <3>;
+	div-q = <9>;
 	clocks = <&clk_hse>;
 	status = "okay";
 };
 
 &rcc {
 	clocks = <&pll>;
-	clock-frequency = <DT_FREQ_M(72)>;
+	clock-frequency = <DT_FREQ_M(216)>;
 	ahb-prescaler = <1>;
-	apb1-prescaler = <2>;
-	apb2-prescaler = <1>;
+	apb1-prescaler = <4>;
+	apb2-prescaler = <2>;
 };
 
 &usart2 {