
ST7MC1/ST7MC2
MOTOR CONTROL CHARACTERISTICS (Cont’d)
Figure 147. Example 3: Waveforms for Zero-crossing Detection with Sampling after a Delay during
PWM On-time
Sampling time
fmtc
MCOx
Comparator
output
sample
Delay from DS bits
HST (MCRC)
MTIM
A5
A6
A7
MZREG
XX
A6
Figure 148. Example 4: Waveforms for zero-crossing detection with sampling after a delay
at fSCF
Sampling time
fmtc
fSCF
MCOx
comparator
output
sample
Delay from DS bits
HST (MCRC)
MTIM
A5
A6
A7
MZREG
XX
A7
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