ADLINK PCI-7258 - Manual (Page 26)

18 • Registers
3.4 Isolated Digital Input Register
There are 2 isolated input channels on PCI-7258 card. The status of the 2
channels can be read from the isolated input register. Each bit corresponds
to each channel. A “1” means the input logic is high and “0” means the input
logic is low.
Address: BASE + 0x04
Attribute: Read
7 6 5 4 3 2 1 0
--- --- --- --- --- --- DI1 DI0
15 14 13 12 11 10 9 8
--- --- --- --- --- --- --- ---
DIx: isolated digital input channel x, x=0, 1
3.5 Clear IRQ register
The PCI-7258 has two interrupt sources for the digital input channels 0 and 1.
Writing anything to this register will clear the interrupt request.
Address: BASE + 0x08
Attribute: Write
7 6 5 4 3 2 1 0
--- --- --- --- --- --- --- ---
15 14 13 12 11 10 9 8
--- --- --- --- --- --- --- ---