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gpio_oc [2019/09/24 16:12]
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gpio_oc [2019/09/24 16:21] (current)
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 Connect a pull up resistor from the terminal to any voltage (that does not exceed 28V). The minimum value of the resistor can be calculated by (Voltage / Maximun current). For example when using 28V the minimum value of the pull up resistor is (28V / 150mA = 112Ohm). Connect a pull up resistor from the terminal to any voltage (that does not exceed 28V). The minimum value of the resistor can be calculated by (Voltage / Maximun current). For example when using 28V the minimum value of the pull up resistor is (28V / 150mA = 112Ohm).
 Higher Resistors lead to less power dissipation and slower speed. Higher Resistors lead to less power dissipation and slower speed.
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 +{{:​snippets:​dout.sch.level_shift.png?​direct&​400|}}
  
 The graph below shows the response time (ca 130ns) of the output when using 28V and 160Ohm:\\ The graph below shows the response time (ca 130ns) of the output when using 28V and 160Ohm:\\
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