diff --git a/usart/usart.cpp b/usart/usart.cpp
index 037e95e..01f1893 100644
--- a/usart/usart.cpp
+++ b/usart/usart.cpp
@@ -379,8 +379,20 @@ ISR( USART0_UDRE_vect_D )
 	USART0::inst().transmitInterruptHandler();
 }
 
+/************************************************************************/
+/************************************************************************/
+
 #ifdef SECOND_USART
 
+//////////////////////////////////////////////////////////////////////////
+USART1 USART1::sm_cInstance;
+
+//////////////////////////////////////////////////////////////////////////
+USART1& USART1::inst()
+{
+	return sm_cInstance;
+}
+
 //////////////////////////////////////////////////////////////////////////
 USART1::USART1()
 {
@@ -392,4 +404,16 @@ USART1::USART1()
 	m_vui8pUDR = &UDR1;
 }
 
+//////////////////////////////////////////////////////////////////////////
+ISR( USART1_RX_vect_D )
+{
+	USART1::inst().receiveInterruptHandler();
+}
+
+//////////////////////////////////////////////////////////////////////////
+ISR( USART1_UDRE_vect_D )
+{
+	USART1::inst().transmitInterruptHandler();
+}
+
 #endif
\ No newline at end of file
diff --git a/usart/usart.h b/usart/usart.h
index 7591f74..7a412c0 100644
--- a/usart/usart.h
+++ b/usart/usart.h
@@ -151,6 +151,13 @@ public:
 class USART1 : public USART0
 {
 public:
+	static USART1& inst();
+	USART1( const USART1& ) = delete;
+	void operator=( const USART1& ) = delete;
+
+private:
+	static USART1 sm_cInstance;
+
 	USART1();
 };