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STM6600AS24DM6F 数据表(PDF) 20 Page - STMicroelectronics |
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STM6600AS24DM6F 数据表(HTML) 20 Page - STMicroelectronics |
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20 / 51 page ![]() Waveforms STM6600 - STM6601 20/51 Doc ID 15453 Rev 7 Figure 13. Power-up on STM660x with voltage dropout 1. PB detection on falling and rising edges. 2. Internal pull-down resistor 300 k Ω is connected to PSHOLD input during power-up. 3. INT signal is held high during power-up. VCC goes above VTH+ and tDEBOUNCE is counted again VTH– VCC under- voltage detected VCC drop VTH+ VCC VCCLO PB (1) EN tDEBOUNCE tREC < t ON_BLANK INT signal is held high during power-up PSHOLD (2) RST Push-button pressed and PB connected to GND < t DEBOUNCE INT (3) internal pull-down resistor connected to PSHOLD input VCC–Min AM00249v2 |
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