Omega Vehicle Security OME-PIO-D56 manual I/O Address Map, Address Read Write

3.3The I/O Address Map

The I/O address of OME-PIO/PISO series card is automatically assigned by the main board ROM BIOS. The I/O address can also be re- assigned by user. Users are strongly recommended to change the auto- assigned I/O address. The plug & play BIOS will assign proper I/O address to each OME-PIO/PISO series card very well. The I/O addresses

of OME-PIO-D56/OME-PIO-D24 are given as follows:

Address	Read	Write
Wbase+0	RESET\ control register	Same
Wbase+2	Aux control register	Same
Wbase+3	Aux data register	Same
Wbase+5	INT mask control register	Same
Wbase+7	Aux pin status register	Same
Wbase+0x2a	INT polarity control register	Same
Wbase+0xc0	read Port0	write Port0
Wbase+0xc4	read Port1	write Port1
Wbase+0xc8	read Port2	write Port2
Wbase+0xcc	read configuration	Port0~Port2 configuration
Wbase+0xd0	read CON2 Low byte	write CON1 Low byte
	(only for OME-PIO-D56)	(only for OME-PIO-D56)
Wbase+0xd4	read CON2 high byte	write CON1 high byte
	(only for OME-PIO-D56)	(only for OME-PIO-D56)

Note. Refer to Sec. 3.1 for more information about wBase.

OME-PIO-D56/OME-PIO-D24 User Manual (Ver.2.1, Oct/2003) ---- 33