Omega Vehicle Security OME-PIO-D56 manual RESET\ Control Register, AUX Control Register

3.3.1RESET\ 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. 3.1 for more information about wBase.

When the PC is first powered up, the RESET\ signal is in Low-state. This will disable all D/I/O operations. The user has to set the RESET\ signal to High-state before any D/I/O command.

outportb(wBase,1);	/*	RESET\=High Æ all D/I/O are enable now */
outportb(wBase,0);	/*	RESET\=Low Æ all D/I/O are disable now */

3.3.2AUX 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. 3.1 for more information about wBase.

Aux?=0Æ this Aux is used as a D/I Aux?=1Æ this Aux is used as a D/O

When the PC is first powered up, All Aux? signals are in Low-state. All Aux? are designed as D/I for all OME-PIO/PISO series. Please set all Aux? in D/I state.

3.3.3AUX data Register

(Read/Write): wBase+3

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. 3.1 for more information about wBase.

When the Aux? is used as D/O, the output state is controlled by this register. This register is designed and reserved for feature extension, so do not control this register now.

OME-PIO-D56/PIO-D24 User Manual (Ver.2.1, Oct/2003, PPH-005-21) ---- 34