ST7MC2N6 查看數據表（PDF） - STMicroelectronics

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ST7MC2N6

8-bit MCU with nested interrupts, Flash, 10-bit ADC, brushless motor control, five timers, SPI, LINSCI™

STMicroelectronics 

ST7MC1xx/ST7MC2xx

MOTOR CONTROL CHARACTERISTICS (Cont’d)

Figure 150. Example 1: Waveforms for Zero-crossing Detection with Sampling at the end of PWM

off-time

Sampling time

fmtc

MCOx

Comparator

Output

Sample

HST (MCRC)

MTIM

A5

A6

A7

MZREG

XX

A5

Figure 151. Example 2: Waveforms for Zero-crossing Detection with Sampling at fSCF

Sampling time

fmtc

fSCF

Comparator

Output

Sample

HST (MCRC)

MTIM

A5

A6

A7

MZREG

XX

A6

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