High Speed I/O
Pulse
In pulse mode, the high-speed input can measure the width or period of a pulse stream in one of four modes and
provides a continuous indication of the last sampled value.
Width High 1μs Counts – In this sub-mode the accumulator value will contain the number of 1μs counts the pulse is
high.
Width Low 1μs Counts - In this sub-mode the accumulator value will contain the number of 1μs counts the pulse is
low.
Period Measurement
In period measurement mode, the high-speed input can measure the period of a pulse stream in one of two modes
and provides a continuous indication of the last sampled value. In this mode the Disable and Latch special functions
are allowed.
Period Rising Edges 1μs Counts – In this sub-mode the period of the input signal is reported in one (1) μs units.
The period measurement will start on the rising edge of the input.
Period Falling Edges 1μs Counts – In this sub-mode the period of the input signal is reported in one (1) μs units.
The period measurement will start on the falling edge of the input.
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