Trigger source register – ADLINK PCI-9810 User Manual
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22
Registers
Trigger Source Register
The PCI-9812/9810 supports five trigger sources: CH0, CH1,
CH2, CH3, and external digital trigger.
Address: BASE + 10h
Attribute: Write only
Data Format:
When the external digital trigger is selected, the positive slope
trigger equals to the rising edge trigger, the negative slope trigger
equals to the falling edge trigger, and the value of trigger level
register becomes meaningless.
Bit
7
6
5
4
3
2
1
0
Base + 10
--
--
--
--
TRGSLP TRGSRC2 TRGSRC1 TRGSRC0
Base + 11
--
--
--
--
—
—
—
—
Base + 12
--
--
--
--
—
—
—
—
Base + 13
--
--
--
--
—
—
—
—
TRGSLP
Trigger slope
0: Positive slope trigger
1: Negative slope trigger
TRGSRC2 > TRGSRC0
Trigger source
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
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