SPRSP69B July 2023 – November 2023 TMS320F28P650DK , TMS320F28P659DK-Q1
PRODMIX
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The following section summarizes the sampling window width for input signals for various input qualifier configurations.
Sampling frequency denotes how often a signal is sampled with respect to SYSCLK.
In the previous equations, SYSCLK cycle indicates the time period of SYSCLK.
Sampling period = SYSCLK cycle, if QUALPRD = 0
In a given sampling window, either 3 or 6 samples of the input signal are taken to determine the validity of the signal. This is determined by the value written to GPxQSELn register.
Case 1:
Qualification using 3 samples
Case 2:
Qualification using 6 samples