Table 2. switch settings for base address and irq, Base address settings, Irq interrupt request settings – Ocean Optics PC2000-PC_104 User Manual
Page 10: Settings, Software trigger port (base + 5) bit description, Read spectral data (base + 6) bit description, Channel rotation port (base + 7) bit description, Value written, Function, Disables channel rotation
PC2000-PC/104 Data Sheet
Value Written
Function
0
Disables channel rotation
9 (0x09)
Rotates channels 0 and 1
10 (0x0A)
Rotates channels 0 through 2
11 (0x0B)
Rotates channels 0 through 3
12 (0x0C)
Rotates channels 0 through 4
13 (0x0D)
Rotates channels 0 through 5
14 (0x0E)
Rotates channels 0 through 6
15 (0x0F)
Rotates channels 0 through 7
Table 2. Switch Settings for Base Address and IRQ
Base Address Settings
Switches 1 – 6 of SW1 determine the base address, which is the weighted sum of these switches. The switch
position is negative logic (i.e. 1 is off). The factory default is 0x300 hex or 768 decimal.
Switch # Address line Value (hex)
Value (decimal) Switch setting for 300
hex
Switch position
1 A4 10h 16
on
0
2 A5 20h 32
on
0
3 A6 40h 64
on
0
4 A7 80h 128
on
0
5 A8 100h 256
off
1
6 A9 200h 512
off
1
IRQ Interrupt Request Settings
The following matrix defines the different Interrupt Request settings by switch positions 7, 8, and 9. In
the default setting, the IRQ is set to 7. Combinations for IRQ settings follow.
Switch Settings
#7 #8 IRQ
0 0 3
1 0 4
0 1 5
1 1 7
(Default)
1 indicates a switch in the ON position
10
000-00000-000-05-0704