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UM0240 Datasheet(PDF) 21 Page - STMicroelectronics |
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UM0240 Datasheet(HTML) 21 Page - STMicroelectronics |
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21 / 39 page ![]() UM0240 Interfaces and connectors 21/39 Setting: ● Open = for ICC use ● Closed = for LEDs use Jumper J11 disconnects the RS-232 level shifter from the power supply. This reduces power consumption if the RS-232 interface is not used and frees MCU pins for another use. (Level shifter pins output are in Tri-state mode when device is off.) Setting: ● Open = RS-232 off ● Closed = RS-232 on |
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