ST7MC2S4 STMicroelectronics, ST7MC2S4 Datasheet - Page 275

• Manufacturer Part Number: ST7MC2S4
• Description: 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC,BRUSHLESS MOTOR CONTROL, 5 TIMERS, SPI, LINSCI(TM)
• Manufacturer: STMicroelectronics

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
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
ST7MC1xx/ST7MC2xx
A7
A7
f
SCF
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