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AN4277 Datasheet(PDF) 2 Page - STMicroelectronics |
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AN4277 Datasheet(HTML) 2 Page - STMicroelectronics |
2 / 23 page Contents AN4277 2/23 DocID024409 Rev 2 Contents 1 Break function overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 Break implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.1 TIM1/8/20 break implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.2 TIM15/16/17 break implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3 Break sources summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4 Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 5 Using the break function with other MCU resources . . . . . . . . . . . . . . 14 5.1 Break function used for over-current protection . . . . . . . . . . . . . . . . . . . . 14 5.2 Break function used for over-voltage protection . . . . . . . . . . . . . . . . . . . . 15 5.3 Using an external emergency signal together with the internal comparator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 5.4 Filtering the break input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 5.5 Locking the selected configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Appendix A How to use the DAC to define thresholds . . . . . . . . . . . . . . . . . . . . 21 6 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 |
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