ST7FMC2N6B6(2004) 데이터 시트보기 (PDF) - STMicroelectronics

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ST7FMC2N6B6
(Rev.:2004)

8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI™

STMicroelectronics 

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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