Figure 5-Absolute Byte Address, (Any Configuration); Figure 6-Relative Byte Address; Figure 7-Relative Byte Address Continued - SeaLevel PIO-24.PCI 8008 User Manual

Tables 5-8 give the: API Port/bit reference numbers for Absolute and Relative Addressing
R = Read
W = Write
R/W = Read or Write

Figure 5-Absolute byte Address, (any configuration)

Port
A
B
C
Port
A
B
C Lower
C Upper
Relative byte Address Given:
Sealevel Systems PIO-24.PCI
Port API Port # Absolute
Address (function)
A
B
C
API Port # Relative Address
(function)
0 ( R )
0 ( W )
1 ( W )

Figure 6-Relative Byte Address

Relative byte Address Given:
API Port # Relative Address
(function)
0 ( R )
0 ( W )
1 ( W )
1 ( R )

Figure 7-Relative Byte Address Continued

Technical Description
0 ( R/W )
1 ( R/W )
2 ( R/W )
Port Type
Input Port
Output Port
Output Port
Inputs A,
Outputs B, C
Port Type
Input Port
Output Port
Output Port
Input Port
Inputs A, C Upper
Outputs B, C Lower
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