diff --git a/boards/arm/rp2040/adafruit-feather-rp2040/include/board.h b/boards/arm/rp2040/adafruit-feather-rp2040/include/board.h
index 19c7e72ce02ac..d5cd38d851c39 100644
--- a/boards/arm/rp2040/adafruit-feather-rp2040/include/board.h
+++ b/boards/arm/rp2040/adafruit-feather-rp2040/include/board.h
@@ -48,7 +48,7 @@
 #define MHZ                     1000000
 
 #define BOARD_XOSC_FREQ         (12 * MHZ)
-#define BOARD_XOSC_STARTUPDELAY 1
+#define BOARD_XOSC_STARTUPDELAY 64
 #define BOARD_PLL_SYS_FREQ      (125 * MHZ)
 #define BOARD_PLL_USB_FREQ      (48 * MHZ)
 
diff --git a/boards/arm/rp2040/adafruit-kb2040/include/board.h b/boards/arm/rp2040/adafruit-kb2040/include/board.h
index 965ab389c231d..d29bc4fbc9ce6 100644
--- a/boards/arm/rp2040/adafruit-kb2040/include/board.h
+++ b/boards/arm/rp2040/adafruit-kb2040/include/board.h
@@ -48,7 +48,7 @@
 #define MHZ                     1000000
 
 #define BOARD_XOSC_FREQ         (12 * MHZ)
-#define BOARD_XOSC_STARTUPDELAY 1
+#define BOARD_XOSC_STARTUPDELAY 64
 #define BOARD_PLL_SYS_FREQ      (125 * MHZ)
 #define BOARD_PLL_USB_FREQ      (48 * MHZ)
 
diff --git a/boards/arm/rp2040/adafruit-qt-py-rp2040/include/board.h b/boards/arm/rp2040/adafruit-qt-py-rp2040/include/board.h
index ef22c36bda84b..e7aeba7800a9d 100644
--- a/boards/arm/rp2040/adafruit-qt-py-rp2040/include/board.h
+++ b/boards/arm/rp2040/adafruit-qt-py-rp2040/include/board.h
@@ -48,7 +48,7 @@
 #define MHZ                     1000000
 
 #define BOARD_XOSC_FREQ         (12 * MHZ)
-#define BOARD_XOSC_STARTUPDELAY 1
+#define BOARD_XOSC_STARTUPDELAY 64
 #define BOARD_PLL_SYS_FREQ      (125 * MHZ)
 #define BOARD_PLL_USB_FREQ      (48 * MHZ)
 
diff --git a/boards/arm/rp2040/seeed-xiao-rp2040/include/board.h b/boards/arm/rp2040/seeed-xiao-rp2040/include/board.h
index 03981d4d3e71f..6b8a1d8b050df 100644
--- a/boards/arm/rp2040/seeed-xiao-rp2040/include/board.h
+++ b/boards/arm/rp2040/seeed-xiao-rp2040/include/board.h
@@ -48,7 +48,7 @@
 #define MHZ                     1000000
 
 #define BOARD_XOSC_FREQ         (12 * MHZ)
-#define BOARD_XOSC_STARTUPDELAY 1
+#define BOARD_XOSC_STARTUPDELAY 64
 #define BOARD_PLL_SYS_FREQ      (125 * MHZ)
 #define BOARD_PLL_USB_FREQ      (48 * MHZ)