diff --git a/STM32F429.svd b/STM32F429_new.svd
index fb4f5d4..7b0715a 100644
- <bitWidth>3</bitWidth>
+ <bitWidth>4</bitWidth>
<access>read-write</access>
+ <writeConstraint>
+ <range>
+ <minimum>0</minimum>
+ <maximum>15</maximum>
+ </range>
+ </writeConstraint>
</field>
<field>
<name>PRFTEN</name>
<name>LATENCY</name>
<description>Latency</description>
<bitOffset>0</bitOffset>