All 15 PIN types can be used in a system concurrently. Each PIN type
can be assigned with similar and/or different attributes. These attributes
are contained in PIN classes called COPIN (class of PIN). The COPINs
1 - 7 and 9 - 15 can be changed with the AMO PERSI; COPIN 8 is an SI
PIN type, the initialized values of which may not be changed.
The following PIN attributes can be defined in a COPIN: