Io Port Data; Ioport(N )Data - National Instruments 6509 Programmer's Manual

Chapter 2 Register Map and Descriptions

IO Port Data

IOPort(N )Data

This register is used to read digital data from or write data to port N, where N is the port
number in hexidecimal.
Ports can range from 0 to 11 (0x0 to 0xB), depending on your device. For each port,
Note
you must add an additional offset equal to 0x10 time the port number in hex.
Address Offsets: 0x40 + 0x(N)0
Type:
Size:
Bit Map:
7 6
D(7) D(6)
Bit
7–0
Static DIO Register-Level Programmer Manual
Read-write
8-bit
5 4
D(5) D(4)
Name Description
D(<7..0>) Read or write digital data at this address.
3 2
D(3) D(2)
2-4
1 0
D(1) D(0)
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