ST7FMC1K2TC STMICROELECTRONICS [STMicroelectronics], ST7FMC1K2TC Datasheet - Page 274

• Manufacturer Part Number: ST7FMC1K2TC
• Description: 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST7MC1/ST7MC2
MOTOR CONTROL CHARACTERISTICS (Cont’d)
Figure 150. Example 1: Waveforms for Zero-crossing Detection with Sampling at the end of PWM
off-time
Figure 151. Example 2: Waveforms for Zero-crossing Detection with Sampling at
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f
MCOx
Comparator
Output
Sample
HST (MCRC)
MTIM
MZREG
mtc
f
f
Comparator
Output
Sample
HST (MCRC)
MTIM
MZREG
mtc
SCF
XX
XX
A5
A5
Sampling time
Sampling time
A6
A6
A5
A6
A7
A7
f
SCF