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50 Operation Theory

Mode6: Re-triggered Single Pulse Generation

This mode is similar to mode 5 except that the counter gener-

ates a pulse following every active edge on GPTC_GATE.

After the software start, every active GPTC_GATE edge trig-

gers a single pulse with programmable delay and pulse-width.

Any GPTC_GATE trigger that occurs during the pulse genera-

tion is ignored. Figure 4-22 illustrates the generation of two

pulses with pulse delay of two and pulse-width of four.

Figure 4-22: Mode6 Operation

Mode7: Single Triggered Continuous Pulse Generation

This mode is similar to mode 5, except that the counter gener-

ates continuous periodic pulses with programmable pulse inter-

val and pulse-width following the first active edge of

GPTC_GATE. Once the first GPTC_GATE edge triggers the

counter, GPTC_GATE takes no effect until the software start is

re-executed. Figure 4-23 illustrates the generation of two

pulses with pulse delay of four and pulse-width of three.

Figure 4-23: Mode7 Operation

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Adlink DAQe-2502 Bedienungsanleitung Seite 60