\textbf{Bits} & \textbf{Description} \\
\hline\hline
31 -- 20 & temperature \\
-19 -- 14 & reserved \\
+19 -- 16 & reserved \\
+15 & Link error (e.g. code violation) \\
14 & Single Event Upset detected \\
13 & Timing Trigger Input \\
12 & Last event sent on IPU is broken\\
14 -- 11 & reserved \\
10 & reset sequence counter \\
9 -- 4 & reserved \\
+4 & reset persistent error flags \\
3 & master reset \\
2 & empty IPU chain / reset IPU logic \\
1 & reset trigger logic \\