The INM Inter Arrival Time histogram since system boot up. An array of 32 octets
(each 4 octets means amount of a bin of histogram), designed for supporting from 0 to 7
bins of the histogram. The index of the particular bin incremented by an complete impulse noise event
is determained from the following INMControl parameters. Each bin has a value in the range 0x0 to 0xFFFFFFFF.