The context being that a MAX232 only needs +5vcc, right? Edit: Apparently called... | Hacker News

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		tyingq on Nov 5, 2022 \| parent \| context \| favorite \| on: The RS-232 protocol [video] The context being that a MAX232 only needs +5vcc, right? Edit: Apparently called 'Integrated charge pumps'

bloggie on Nov 5, 2022 [–]

Yes, there are low current requirements, so typical uart to rs232 transceiver ICs include the electronics necessary to provide the higher voltage +- supplies.

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