4-time Frequency
5-3.HSC Range
HSC’s count range is: -2,147,483,648 ~ +2,147,483,647. If the count value overflows this
range, then overflow or underflow appears;
Overflow means the count value jumps from +2,147,483,647 to -2,147,483,648, then continue
counting; underflow means the count value jumps from -2,147,483,648 to +2,147,483,647
then continue counting.