ADLINK PCIe-7300A - Manual (Page 36)

26 Registers
3.4 Auxiliary Digital I/O Register
Auxiliary 4-bit digital inputs and 4-bit digital outputs
Address: BASE + 08
Attribute: READ/WRITE
Data Format:
This auxiliary digital I/O is controlled by porgram I/O only.
DO_AUX_3 - DO_AUX_0 (R/W)
4-bit auxiliary output port. Program I/O only.
DI_AUX_3 - DI_AUX_0 (R)
4-bit auxiliary input port. Program I/O only
Bit # 3-0 DO_AUX_3 DO_AUX_2 DO_AUX_1 DO_AUX_0
Bit # 7-4 DI_AUX_3 DI_AUX_2 DI_AUX_1 DI_AUX_0
Bit # 31-8 Don’t Care