diff --git a/bacnet-stack/ports/bdk-atxx4-mstp/bacnet.ewp b/bacnet-stack/ports/bdk-atxx4-mstp/bacnet.ewp
index 97c41ed8..31b246d2 100644
--- a/bacnet-stack/ports/bdk-atxx4-mstp/bacnet.ewp
+++ b/bacnet-stack/ports/bdk-atxx4-mstp/bacnet.ewp
@@ -123,7 +123,7 @@
         </option>
         <option>
           <name>GGEepromUtilSize</name>
-          <state>2048</state>
+          <state>4096</state>
         </option>
         <option>
           <name>GRuntimeLibSelect</name>
@@ -140,11 +140,11 @@
         </option>
         <option>
           <name>RTConfigPath</name>
-          <state>$TOOLKIT_DIR$\LIB\DLIB\dlAVR-3s-ec_mul-sf-n.h</state>
+          <state>$TOOLKIT_DIR$\LIB\DLIB\dlAVR-3s-ec_mul-n.h</state>
         </option>
         <option>
           <name>RTLibraryPath</name>
-          <state>$TOOLKIT_DIR$\LIB\DLIB\dlAVR-3s-ec_mul-sf-n.r90</state>
+          <state>$TOOLKIT_DIR$\LIB\DLIB\dlAVR-3s-ec_mul-n.r90</state>
         </option>
         <option>
           <name>Input variant</name>
@@ -153,7 +153,7 @@
         </option>
         <option>
           <name>Input description</name>
-          <state> No specifier n, no float or long long, no scan set, no assignment suppressing.</state>
+          <state>No specifier n, no float nor long long, no scan set, no assignment suppressing.</state>
         </option>
         <option>
           <name>Output variant</name>
@@ -162,7 +162,7 @@
         </option>
         <option>
           <name>Output description</name>
-          <state> specifier a or A, no specifier n, no float or long long.</state>
+          <state>No specifier a, A, no specifier n, no float nor long long.</state>
         </option>
         <option>
           <name>GRuntimeLibSelectSlave</name>
@@ -217,7 +217,7 @@
         </option>
         <option>
           <name>GenDeviceSelectMenu</name>
-          <state>m644p	ATmega644P</state>
+          <state>m1284p	ATmega1284P</state>
         </option>
       </data>
     </settings>
@@ -802,7 +802,7 @@
         </option>
         <option>
           <name>XclFile</name>
-          <state>$TOOLKIT_DIR$\src\template\cfgm644p.xcl</state>
+          <state>$TOOLKIT_DIR$\src\template\cfgm1284p.xcl</state>
         </option>
         <option>
           <name>XclFileSlave</name>
@@ -1136,7 +1136,7 @@
         </option>
         <option>
           <name>GGEepromUtilSize</name>
-          <state>2048</state>
+          <state>4096</state>
         </option>
         <option>
           <name>GRuntimeLibSelect</name>
@@ -1153,7 +1153,7 @@
         </option>
         <option>
           <name>RTConfigPath</name>
-          <state>$TOOLKIT_DIR$\LIB\DLIB\dlAVR-3s-ec_mul-sf-n.h</state>
+          <state>$TOOLKIT_DIR$\LIB\DLIB\dlAVR-3s-ec_mul-n.h</state>
         </option>
         <option>
           <name>RTLibraryPath</name>
@@ -1166,7 +1166,7 @@
         </option>
         <option>
           <name>Input description</name>
-          <state>Full formatting.</state>
+          <state>Full formatting</state>
         </option>
         <option>
           <name>Output variant</name>
@@ -1175,7 +1175,7 @@
         </option>
         <option>
           <name>Output description</name>
-          <state> specifier a or A, no specifier n, no float or long long.</state>
+          <state>No specifier a, A, no specifier n, no float nor long long.</state>
         </option>
         <option>
           <name>GRuntimeLibSelectSlave</name>
@@ -1230,7 +1230,7 @@
         </option>
         <option>
           <name>GenDeviceSelectMenu</name>
-          <state>m644p	ATmega644P</state>
+          <state>m1284p	ATmega1284P</state>
         </option>
       </data>
     </settings>
diff --git a/bacnet-stack/ports/bdk-atxx4-mstp/hardware.h b/bacnet-stack/ports/bdk-atxx4-mstp/hardware.h
index 74b4ff83..be86f8d7 100644
--- a/bacnet-stack/ports/bdk-atxx4-mstp/hardware.h
+++ b/bacnet-stack/ports/bdk-atxx4-mstp/hardware.h
@@ -32,8 +32,13 @@
 
 /* IAR compiler specific configuration */
 #if defined(__ICCAVR__)
+#if defined(__ATmega644P__)
 #include <iom644p.h>
 #endif
+#if defined(__ATmega1284P__)
+#include <iom1284p.h>
+#endif
+#endif
 
 /* AVR-GCC compiler specific configuration */
 #if defined(__GNUC__)
diff --git a/bacnet-stack/ports/bdk-atxx4-mstp/iar2gcc.h b/bacnet-stack/ports/bdk-atxx4-mstp/iar2gcc.h
index 0e49077f..a41fadbd 100644
--- a/bacnet-stack/ports/bdk-atxx4-mstp/iar2gcc.h
+++ b/bacnet-stack/ports/bdk-atxx4-mstp/iar2gcc.h
@@ -308,6 +308,28 @@ unsigned char __uint8_eeprom_load(
 #define WDTO_2S     7
 #endif
 
+/* power macros in GCC-AVR */
+#if (defined(__ICCAVR__) && (defined(__ATmega644P__))) || \
+    (defined(__CROSSWORKS_AVR) && (__TARGET_PROCESSOR == ATmega644P))
+#define power_adc_enable()      (PRR &= (uint8_t)~(1 << PRADC))
+#define power_spi_enable()      (PRR &= (uint8_t)~(1 << PRSPI))
+#define power_usart0_enable()   (PRR &= (uint8_t)~(1 << PRUSART0))
+#define power_usart1_enable()   (PRR &= (uint8_t)~(1 << PRUSART1))
+#define power_timer0_enable()   (PRR &= (uint8_t)~(1 << PRTIM0))
+#define power_timer1_enable()   (PRR &= (uint8_t)~(1 << PRTIM1))
+#define power_timer2_enable()   (PRR &= (uint8_t)~(1 << PRTIM2))
+#endif
+#if (defined(__ICCAVR__) && (defined(__ATmega1284P__))) || \
+    (defined(__CROSSWORKS_AVR) && (__TARGET_PROCESSOR == ATmega1284P))
+#define power_adc_enable()      (PRR0 &= (uint8_t)~(1 << PRADC))
+#define power_spi_enable()      (PRR0 &= (uint8_t)~(1 << PRSPI))
+#define power_usart0_enable()   (PRR0 &= (uint8_t)~(1 << PRUSART0))
+#define power_usart1_enable()   (PRR0 &= (uint8_t)~(1 << PRUSART1))
+#define power_timer0_enable()   (PRR0 &= (uint8_t)~(1 << PRTIM0))
+#define power_timer1_enable()   (PRR0 &= (uint8_t)~(1 << PRTIM1))
+#define power_timer2_enable()   (PRR0 &= (uint8_t)~(1 << PRTIM2))
+#endif
+
 #if defined(__CROSSWORKS_AVR)
 #define inline
 #endif