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ST7MC1K2 数据表(PDF) 239 Page - STMicroelectronics |
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ST7MC1K2 数据表(HTML) 239 Page - STMicroelectronics |
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239 / 371 page  Obsolete Product(s) - Obsolete Product(s) ST7MC1K2-Auto, ST7MC1K6-Auto, ST7MC2S4-Auto, ST7MC2S6-Auto On-chip peripherals 239/371 Warning: If the off time value set is superior than the period of the PWM signal (for example 40µs off time for a 50 kHz (25µs period) PWM frequency), then the signal output on MCOx pins selected is a 100% duty cycle signal (always at 1). 1101 961 Hz 1110 625 Hz 1111 390 Hz 1. Times are indicated for 4 MHz fPERIPH. Table 106. Off time table(1) 1. Times are indicated for 4 MHz fPERIPH. OT3 OT2 OT1 OT0 OFF time sensorless mode (SR = 0) (DS[3:0] = 0) Sensor mode (SR = 1) or sampling during ON time in sensorless mode (SPLG = 1 and/or DS[3:0] bits) 0 0 0 0 2.5 µs No minimum off time 0 0 0 1 5 µs 0 0 1 0 7.5 µs 00 1 1 10 µs 0 1 0 0 12.5 µs 01 0 1 15 µs 0 1 1 0 17.5 µs 01 1 1 20 µs 1 0 0 0 22.5 µs 10 0 1 25 µs 1 0 1 0 27.5 µs 10 1 1 30 µs 1 1 0 0 32.5 µs 11 0 1 35 µs 1 1 1 0 37.5 µs 11 1 1 40 µs Table 105. Sampling frequency selection(1) (continued) SA3 SA2 SA1 SA0 Sampling frequency Obsolete Product(s) - Obsolete Product(s) |
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