4.2.1 RESET\ Control Register
(Read/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\
Note. Refer to Sec. 4.1 for more information regarding wBase.
When the PC is first powered-on, the RESET\ signal is in the Low state.
This
will disable all D/I/O operations.
The user must set the RESET\ signal to the
High state before sending any D/I/O commands.
outportb(wBase,1);
/* RESET\ = High
all D/I/O are now enabled */
outportb(wBase,0);
/* RESET\ = Low
all D/I/O are now disabled */
4.2.2 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
Note. Refer to Sec. 4.1 for more information regarding wBase.
Aux n=0
the Aux is used as an input.
Aux n=1
the Aux is used as an output. n=0~7
When the PC is first powered-on, all Aux n signals are in the Low state.
Each Aux n is designed as an input for all VXC series cards.
VXC Cards User’s Manual (Ver. 1.1, 06/09.2005, pmh-012-01) -----34