PEX/PIO/PISO-DA Series Card
Analog Output Boards
User Manual/ Ver. 3.1/ Oct. 2013/ PMH-0010-31/ Page: 61
6.3.1
RESET\ Control Register
(Write): wBase+0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
RESET\
When the PC’s power is first turned on,
RESET\ signal is in a Low-state.
This will disable all
DI/DO operations.
The user has to set the RESET\ signal to a High-state before any DI/DO
command applications are initiated.
For example:
outportb (wBase,1);
/* RESET\=High
all D/I/O are enable now */
outportb (wBase,0);
/* RESET\=Low
all D/I/O are disable now */
6.3.2 AUX Control Register
(Read/Write): wBase+2
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Aux7
Aux6
Aux5
Aux4
Aux3
Aux2
Aux1
Aux0
Aux?=0
this Aux is used as a D/I
Aux?=1
this Aux is used as a D/O
When the PC is first turned on, all Aux signals are in a Low-state. All Aux are designed as D/I
for all PIO/PISO series. Please set all Aux to the DI state.
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