Advantech PC-LabCard PCI-1784 - Manual (Page 49)

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C.14 Digital input/output — BASE+30H
Table C-13 PCI-1784 Register for digital input/output
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Base Addr.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Digital Input/Output
DI3 DI2 DI1 DI0 DO3 DO2 DO1 DO0 30H R
DM3 DM2 DM1 DM0 LE3 LE2 LE1 LE0 UC3 UC2 UC1 UC0 OC3 OC2 OC1 OC0
DO3 ~ DO0 Digital output data
DI3 ~ DI0 Digital input data
OCn Digital output by over compare register (n: 0 ~ 3)
UCn Digital output by under compare register (n: 0 ~ 3)
LEn Digital output level control (n: 0 ~ 3)
0 Pulse with counter clock
1 Level with clear interrupt
DMn Digital output mode control (n: 0 ~ 3)
0 Normal
1 Indicated