3.2 The I/O Address Map
The list of PCI-1002 registers is given below. The address of each
register is found by simply adding the offset to the base address of the
corresponding section. More detailed descriptions of each register will
be shown in the following text and the software manual.
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
PCI-1002 User’s Manual (Ver. 2.4, Mar./2004, PPH-015-24) ---- 26