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ZUSBOPTSC01ZAC 数据表(PDF) 339 Page - Zilog, Inc. |
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ZUSBOPTSC01ZAC 数据表(HTML) 339 Page - Zilog, Inc. |
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339 / 402 page ![]() PS024604-1005 P R E L I M I N A R Y Appendix A—Register Tables Z8FMC16100 Series Flash MCU Product Specification 317 Hex Address: F21 PWM Control 1 Register (PWMCTL1) BITS 7 6 5 4 3 2 1 0 FIELD RLFREQ[1:0] INDEN Pol45 Pol23 Pol10 PRES[1:0] RESET 00 0 0 00 00 R/W R/W R/W R/W R/W R/W R/W ADDR F21H Bit Position Value (H) Description [7:6] RLFREQ[1:0] 00 01 10 11 Reload Event Frequency This bit field is buffered. Changes to the reload event frequency takes effect at the end of the current PWM period. Reads always return the bit values from the temporary holding register. PWM reload event occurs at the end of every PWM period. PWM reload event occurs once every 2 PWM periods. PWM reload event occurs once every 4 PWM periods. PWM reload event occurs once every 8 PWM periods. [5] INDEN 0 Independent PWM Mode Enable This bit may only be altered when PWEN (PWMCTL0) cleared. PWM outputs operate as 3 complementary pairs. 1 PWM outputs operate as 6 independent channels. [4] Pol2 1 Invert Output polarity for channel pair PWM2. 0 Non-inverted polarity for channel pair PWM2. [3] Pol1 1 Invert Output polarity for channel pair PWM1. 0 Non-inverted polarity for channel pair PWM1. [2] Pol0 1 Invert Output polarity for channel pair PWM0. 0 Non-inverted polarity for channel pair PWM0. [1:0] PRES 00 01 10 11 PWM Prescaler The prescaler divides down the PWM input clock (either the system clock or the PWMIN external input). This field is buffered. Changes to this field take effect at the next PWM reload event. Reads always return the values from the temporary holding register. Divide by 1 Divide by 2 Divide by 4 Divide by 8 |
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