ADLINK Technology NuDAQ PCI-9810, User Manual

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24 Registers
4.6 Trigger Source Register
PCI-9812/10 supports five trigger sources - CH0, CH1, CH2, CH3,
and external digital trigger.
Address: BASE + 10h
Attribute: write only
Data Format:
TRGSLP: trigger slope.
0: positive slope trigger
1: negative slope trigger
TRGSRC2 -> TRGSRC0: trigger source.
When the external digital trigger is selected, the positive slope
trigger equals to rising edge trigger, the negative slope trigger
equals to falling edge trigger, and the value of trigger level register
is meaningless.
Bit 7 6 5 4 3 2 1 0
Base + 10 -- -- -- -- TRGSLP TRGSRC2 TRGSRC1 TRGSRC0
Base + 11 -- -- -- -- --- --- --- ---
Base + 12 -- -- -- -- --- --- --- ---
Base + 13 -- -- -- -- --- --- --- ---
TRIGSRC2 TRIGSRC2 TRIGSRC2 trigger source
0 0 0 CH0
0 0 1 CH1
0 1 0 CH2
0 1 1 CH3
1 X X EX_DIG_trigger