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Technical Description
OMG-PCI-DIO48 Page 11
Tables : API Port/bit reference numbers for Absolute and Relative Addressing
R = Read
W = Write
R/W = Read or Write
Port API Port # Absolute Address
(function)
A1 0 ( R/W )
B1 1 ( R/W )
C1 2 ( R/W )
A2 8 ( R/W )
B2 9 ( R/W )
C2 10 ( R/W )
Figure 5-Absolute byte Address (any configuration)
Port API Port # Relative
Address (function)
Port Type
A1 0 ( R ) Input
B1 1 ( R ) Input
C1 2 ( R ) Input
A2 0 ( W ) Output
B2 1 ( W ) Output
C2 Lower 2 ( W ) Output
C2 Upper 3 ( R ) Input
Figure 6-Relative byte Address Given:
Inputs A1, B1, C1, C2Upper
Outputs A2, B2, C2 Lower