diff --git a/se/sics/mspsim/config/MSP430f1611Config.java b/se/sics/mspsim/config/MSP430f1611Config.java
index 99e4dfc..79b8ee2 100644
--- a/se/sics/mspsim/config/MSP430f1611Config.java
+++ b/se/sics/mspsim/config/MSP430f1611Config.java
@@ -113,7 +113,7 @@ public class MSP430f1611Config extends MSP430Config {
         cpu.setIORange(0x080, 16, adc12);
         cpu.setIORange(0x140, 16, adc12);
         cpu.setIORange(0x150, 16, adc12);
-        cpu.setIORange(0x1a0,  8, adc12);
+        cpu.setIORange(0x1a0, 10, adc12);
 
         return 3 + 6;
     }
diff --git a/se/sics/mspsim/config/MSP430f2617Config.java b/se/sics/mspsim/config/MSP430f2617Config.java
index 6f450e9..8425c65 100644
--- a/se/sics/mspsim/config/MSP430f2617Config.java
+++ b/se/sics/mspsim/config/MSP430f2617Config.java
@@ -127,7 +127,7 @@ public class MSP430f2617Config extends MSP430Config {
         cpu.setIORange(0x080, 16, adc12);
         cpu.setIORange(0x140, 16, adc12);
         cpu.setIORange(0x150, 16, adc12);
-        cpu.setIORange(0x1a0,  8, adc12);
+        cpu.setIORange(0x1a0, 10, adc12);
 
         /* 4 usci units + 6 io port*/
         return 4 + 6;