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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AS3415 датащи(PDF) 41 Page - ams AG |
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AS3415 датащи(HTML) 41 Page - ams AG |
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41 / 102 page  ams Datasheet, Confidential: 2014-Jun-13 [v1-30] AS3415/AS3435 – 41 Detaile d Desc rip t ion System The system block handles the power up and power down sequencing as well as the mode switching. Power Up/Down Conditions The chip powers up when one of the following conditions is true: Figure 49: Power Up Conditions Power Up Conditions: This table shows the available power up conditions of the AS3415/35. The chip automatically shuts off if one of the following conditions arises: Figure 50: Power Down Conditions Power Down Conditions: This table shows the available power down conditions of the AS3415/35. # Source Description 1 MODE pin In stand-alone mode, MODE pin has to be driven high for >2ms to turn on the device 2 I²C start In I²C mode, an I²C start condition turns on the device # Source Description 1MODE pin Slider Mode: Mode pin has to be driven low for 10ms to turn off Push Button Mode: Mode pin has to be driven high for >2.4sec to turn off 2 Serial Interface Power down by serial interface by clearing the PWR_HOLD bit. (Please mind that the I2C_MODE bit has to be set before clearing the PWR_HOLD bit for security reasons) 3Low Battery Power down if VBAT is lower than the supervisor off-threshold 4 VNEG CP OVC Power down if VNEG is higher than the VNEG off-threshold |
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