diff -Naurp configure.ac configure.ac
--- configure.ac	2013-03-15 11:55:29.000000000 +0530
+++ configure.ac	2013-03-15 11:56:20.000000000 +0530
@@ -679,6 +679,9 @@ AM_CONDITIONAL(HAS_at94k, test "x$HAS_at
 CHECK_AVR_DEVICE(ata5790)
 AM_CONDITIONAL(HAS_ata5790, test "x$HAS_ata5790" = "xyes")
 
+CHECK_AVR_DEVICE(ata5790n)
+AM_CONDITIONAL(HAS_ata5790n, test "x$HAS_ata5790n" = "xyes")
+
 CHECK_AVR_DEVICE(ata5795)
 AM_CONDITIONAL(HAS_ata5795, test "x$HAS_ata5795" = "xyes")
 
@@ -1337,6 +1340,7 @@ AC_CONFIG_FILES([
 	avr/lib/avr5/at90usb1287/Makefile
 	avr/lib/avr5/at94k/Makefile 
 	avr/lib/avr5/ata5790/Makefile 
+	avr/lib/avr5/ata5790n/Makefile 
 	avr/lib/avr5/ata5795/Makefile 
 	avr/lib/avr5/atmega16/Makefile
 	avr/lib/avr5/atmega16a/Makefile
diff -Naurp devtools/gen-avr-lib-tree.sh devtools/gen-avr-lib-tree.sh
--- devtools/gen-avr-lib-tree.sh	2013-03-15 11:55:29.000000000 +0530
+++ devtools/gen-avr-lib-tree.sh	2013-03-15 11:56:20.000000000 +0530
@@ -175,6 +175,7 @@ at90usb1286:crtusb1286.o:${DEV_DEFS}:${C
 at90usb1287:crtusb1287.o:${DEV_DEFS}:${CFLAGS_SPACE}:${DEV_ASFLAGS};\
 at94k:crtat94k.o:${DEV_DEFS}:${CFLAGS_SPACE}:${DEV_ASFLAGS};\
 ata5790:crta5790.o:${DEV_DEFS}:${CFLAGS_SPACE}:${DEV_ASFLAGS};\
+ata5790n:crta5790n.o:${DEV_DEFS}:${CFLAGS_SPACE}:${DEV_ASFLAGS};\
 ata5795:crta5795.o:${DEV_DEFS}:${CFLAGS_SPACE}:${DEV_ASFLAGS};\
 atmega16:crtm16.o:${DEV_DEFS}:${CFLAGS_SPACE}:${DEV_ASFLAGS};\
 atmega16a:crtm16a.o:${DEV_DEFS}:${CFLAGS_SPACE}:${DEV_ASFLAGS};\
diff -Naurp doc/api/main_page.dox doc/api/main_page.dox
--- doc/api/main_page.dox	2013-03-15 11:55:29.000000000 +0530
+++ doc/api/main_page.dox	2013-03-15 11:56:20.000000000 +0530
@@ -210,6 +210,7 @@ compile-time.
 - ata5505
 - ata5272
 - ata5790
+- ata5790n
 - ata5795
 
 \par CAN AVR Devices:
diff -Naurp doc/api/using-tools.dox doc/api/using-tools.dox
--- doc/api/using-tools.dox	2013-03-15 11:55:29.000000000 +0530
+++ doc/api/using-tools.dox	2013-03-15 11:56:20.000000000 +0530
@@ -307,6 +307,7 @@ AVR will be defined as well when using t
   <tr><td>avr5</td><td>at94k</td><td>__AVR_AT94K__</td></tr>
   <tr><td>avr5</td><td>atmega16</td><td>__AVR_ATmega16__</td></tr>
   <tr><td>avr5</td><td>ata5790</td><td>__AVR_ATA5790__</td></tr>
+  <tr><td>avr5</td><td>ata5790n</td><td>__AVR_ATA5790N__</td></tr>
   <tr><td>avr5</td><td>ata5795</td><td>__AVR_ATA5795__</td></tr>
   <tr><td>avr5</td><td>atmega161</td><td>__AVR_ATmega161__</td></tr>
   <tr><td>avr5</td><td>atmega162</td><td>__AVR_ATmega162__</td></tr>
diff -Naurp include/avr/eeprom.h include/avr/eeprom.h
--- include/avr/eeprom.h	2013-03-15 11:55:29.000000000 +0530
+++ include/avr/eeprom.h	2013-03-15 11:56:20.000000000 +0530
@@ -491,6 +491,8 @@
 # define _EEPROM_SUFFIX _a6289
 #elif defined (__AVR_ATA5790__)
 # define _EEPROM_SUFFIX _a5790
+#elif defined (__AVR_ATA5790N__)
+# define _EEPROM_SUFFIX _a5790n
 #elif defined (__AVR_ATA5795__)
 # define _EEPROM_SUFFIX _a5795
 /* avr1: the following only supported for assembler programs */
diff -Naurp include/avr/io.h include/avr/io.h
--- include/avr/io.h	2013-03-15 11:55:29.000000000 +0530
+++ include/avr/io.h	2013-03-15 11:56:20.000000000 +0530
@@ -506,6 +506,8 @@
 #  include <avr/iox384d3.h>
 #elif defined (__AVR_ATA5790__)
 #  include <avr/ioa5790.h>
+#elif defined (__AVR_ATA5790N__)
+#  include <avr/ioa5790n.h>
 #elif defined (__AVR_ATA5272__)
 #  include <avr/ioa5272.h>
 #elif defined (__AVR_ATA5505__)
diff -Naurp include/avr/Makefile.am include/avr/Makefile.am
--- include/avr/Makefile.am	2013-03-15 11:55:29.000000000 +0530
+++ include/avr/Makefile.am	2013-03-15 11:56:20.000000000 +0530
@@ -67,6 +67,7 @@ avr_HEADERS = \
     ioa5505.h \
     ioa5272.h \
     ioa5790.h \
+    ioa5790n.h \
     ioa5795.h \
     ioa6285.h \
     ioa6286.h \
diff -Naurp include/avr/power.h include/avr/power.h
--- include/avr/power.h	2013-03-15 11:55:29.000000000 +0530
+++ include/avr/power.h	2013-03-15 11:56:20.000000000 +0530
@@ -1649,6 +1649,7 @@ do{ \
 
 
 #elif defined (__AVR_ATA5790__) \
+|| defined (__AVR_ATA5790N__) \
 || defined (__AVR_ATA5795__)
 
 // Enable the voltage monitor 
@@ -1679,7 +1680,8 @@ do{ \
 #define power_cinterface_enable()        (PRR1 &= (uint8_t)~(1 << PRCI))
 #define power_cinterface_disable()       (PRR1 |= (uint8_t)(1 << PRCI))
 
-#if defined(__AVR_ATA5790__) 
+#if defined(__AVR_ATA5790__) \
+|| defined(__AVR_ATA5790N__)
 
 #define power_lfreceiver_enable()        (PRR0 &= (uint8_t)~(1 << PRLFR))            
 #define power_lfreceiver_disable()       (PRR0 |= (uint8_t)(1 << PRLFR))            
@@ -2165,6 +2167,7 @@ void clock_prescale_set(clock_div_t __x)
 #define clock_prescale_get()  (clock_div_t)(CLKPR & (uint8_t)((1<<CLKPS0)|(1<<CLKPS1)))
 
 #elif defined(__AVR_ATA5790__) \
+|| defined (__AVR_ATA5790N__) \
 || defined (__AVR_ATA5795__)
 
 typedef enum
diff -Naurp include/avr/sleep.h include/avr/sleep.h
--- include/avr/sleep.h	2013-03-15 11:55:29.000000000 +0530
+++ include/avr/sleep.h	2013-03-15 11:56:20.000000000 +0530
@@ -568,6 +568,7 @@
     } while(0)
 
 #elif defined (__AVR_ATA5790__) \
+|| defined (__AVR_ATA5790N__) \
 || defined (__AVR_ATA5795__)
 
     #define SLEEP_MODE_IDLE           (0)
diff -Naurp include/avr/wdt.h include/avr/wdt.h
--- include/avr/wdt.h	2013-03-15 11:55:29.000000000 +0530
+++ include/avr/wdt.h	2013-03-15 11:56:20.000000000 +0530
@@ -323,6 +323,7 @@ __asm__ __volatile__ ( \
 || defined(__AVR_ATA5272__) \
 || defined(__AVR_ATA5505__) \
 || defined(__AVR_ATA5790__) \
+|| defined(__AVR_ATA5790N__) \
 || defined(__AVR_ATA5795__)
 
 /* Use STS instruction. */