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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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L6482H датащи(PDF) 34 Page - STMicroelectronics |
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L6482H датащи(HTML) 34 Page - STMicroelectronics |
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34 / 73 page  Functional description L6482 34/73 Doc ID 023768 Rev 2 6.19 BUSY/SYNC pin This pin is an open drain output which can be used as busy flag or synchronization signal according to the SYNC_EN bit value (STEP_MODE register) (see Section 9.1.17). 6.20 FLAG pin By default, an internal open drain transistor pulls the FLAG pin to ground when at least one of the following conditions occurs: ● Power-up or standby/reset exit ● Overcurrent detection ● Thermal warning ● Thermal shutdown ● UVLO ● UVLO on ADC input ● Switch turn-on event ● Command error. It is possible to mask one or more alarm conditions by programming the ALARM_EN register (see Section 9.1.17 Table 26). If the corresponding bit of the ALARM_EN register is low, the alarm condition is masked and it does not cause a FLAG pin transition; all other actions imposed by alarm conditions are performed anyway. In case of daisy chain configuration, FLAG pins of different ICs can be OR-wired to save host controller GPIOs. |
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