diff --git a/src/Arduino_AdvancedAnalog.h b/src/Arduino_AdvancedAnalog.h
index f654650..a4fadbd 100644
--- a/src/Arduino_AdvancedAnalog.h
+++ b/src/Arduino_AdvancedAnalog.h
@@ -24,6 +24,10 @@
  * INCLUDE
  **************************************************************************************/
 
+#ifdef ARDUINO_PORTENTA_H7_M4
+# error "This library on works on the M7 core of any STM32H747 based board (Portenta H7, Giga, X8)."
+#endif
+
 #include "AdvancedADC.h"
 #include "AdvancedDAC.h"