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The i/o address map, Ddress, 2 the i/o address map – Omega 1002 User Manual

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3.2 The I/O Address Map

The OME-PCI-1002 registers are given below. The address of each register

is determined by adding the offset to the base address of the corresponding
section.

Section Offset

Name

Access Length

1 4ch

PCI interrupt control

register

R/W 8/16/32

bits

00h

8254 timer1

R/W

8/16/32 bits

04h

8254 timer2

R/W

8/16/32 bits

08h

8254 timer3

R/W

8/16/32 bits

0Ch

8254 control register

W

8/16/32 bits

10h

Analog input channel

control register

W

8/16/32 bits

10h

Status register

R

8/16/32 bits

14h

Analog input gain

control register

W 8/16/32

bits

18h

General control

register

W

8/16/32 bits

1Ch

A/D software trigger

W

8/16/32 bits

1Ch

Clear Interrupt

R

8/16/32 bits

20h

Digital output register

W

16/32 bits

20h

Digital input register

R

16/32 bits









2






30h

A/D data register

R

16/32 bits

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