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Altera_Forum
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17 years ago

sampled signal on falling or risins edge?

Hello, I have a beginner question. With the code below The signal in_width_pulse_n is wide of one period (clk_speed) My question is on signal old1_width_pulse_n I must be sampled it ...
Altera_Forum's avatar
Altera_Forum
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17 years ago

The safer solution is to leave it sampled on the rising edge.

But, if you don't have timing problems or signal ringing, the signal is available also on the falling edge (it is generated on the previous rising edge) so you may decide to go quicker and sample the signal on the falling edge.