Mode 6: re-triggered single pulse generation, Figure 3-18, Mode 5-single-triggered pulse – ADLINK USB-1210 User Manual

Page 46: Figure 3-19, Mode 6-re-triggered single pulse, Gate clk count value out software start, Figure 3-19: mode 6-re-triggered single pulse

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36

Operation & Calibration

Figure 3-18: Mode 5-Single-Triggered Pulse

Mode 6: Re-Triggered Single Pulse Generation

This mode is similar to Mode 5 except that the counter generates
a pulse following every active edge of GPTC_GATE. After soft-
ware start, every active GPTC_GATE edge triggers a single pulse
with programmable delay and pulse width. Any GPTC_GATE trig-
gers that occur when the prior pulse is not completed are ignored.
Generation of two pulses with a pulse delay of two and a pulse
width of four is shown.

Figure 3-19: Mode 6-Re-Triggered Single Pulse

Mode 7: Single-Triggered Continuous Pulse Generation

This mode is similar to Mode 5 except that the counter generates
continuous periodic pulses with programmable pulse interval and
pulse-width following the first active edge of GPTC_GATE. When
the first GPTC_GATE edge triggers the counter, GPTC_GATE
has no effect until software start is executed again. Generation of
two pulses with a pulse delay of four and a pulse-width of three is
shown.

2

2

1

0

3

2

1

0

Gate

CLK

Count value

OUT

Software start

2

2

1

0

3

2

1

0

2

2

1

0

3

2

1

0

2

2

G a t e

C L K

C o u n t v a l u e

O U T

S o f t w a r e s t a r t

I g n o r e d

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