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STM8T143 数据表(PDF) 25 Page - STMicroelectronics |
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STM8T143 数据表(HTML) 25 Page - STMicroelectronics |
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25 / 65 page ![]() DocID18315 Rev 6 25/65 STM8T143 STM8T143 processing 64 5.6 Debounce filter The purpose of the debounce filter mechanism is to reduce the effects of noise on the touch and proximity detection. Debouncing is applied to acquisition samples to filter undesired abrupt changes. The principle is to wait for several consecutive acquisitions with the signal on the same side of a threshold before reporting the change in detection state induced by this threshold crossing. The number of consecutive detection debounce counts (DDC) and end of detection debounce counts (EDDC) needed to identify a proximity/touch detection are defined in Section 9.5: Capacitive sensing characteristics on page 42. |
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