ST7FMC2N6B6(2004) 查看數據表（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 

MOTOR CONTROLLER (Cont’d)

Figure 74. Typical command signals of a three-phase induction motor

Phase A *

T0

Phase B *

ST7MC1/ST7MC2

HV

T2

T4

B

Phase C *

PWM

period

PWM output

Duty Cycle 51% 50% 49%

A

PWM output

T1

T3

Duty Cycle 99% 100% 99%

C

T5

PWM output

Duty Cycle

1% 0% 1%

* These simplified chronograms represent the phase voltages after low-pass filtering of the

PWM outputs reference signals

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