ST7MC2S4 STMicroelectronics, ST7MC2S4 Datasheet - Page 276

• 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

ST7MC1xx/ST7MC2xx
MOTOR CONTROL CHARACTERISTICS (Cont’d)
Figure 152. Example 3: Waveforms for Zero-crossing Detection with Sampling after a Delay during
PWM On-time
Figure 153. Example 4: Waveforms for zero-crossing detection with sampling after a delay
at
276/309
f
f
comparator
output
sample
f
MCOx
Comparator
output
sample
HST (MCRC)
MTIM
MZREG
MCOx
HST (MCRC)
MTIM
MZREG
mtc
SCF
f
mtc
SCF
A5
A5
Delay from DS bits
Delay from DS bits
XX
XX
A6
A6
Sampling time
A6
Sampling time
A7
A7
A7