Sujet : Re: Waking up a serial port
De : none (at) *nospam* no.no (HW)
Groupes : sci.electronics.repairDate : 17. Mar 2025, 15:12:52
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <n6bgtjlu1l1o1auk7iosoa5kcf1gm3o681@4ax.com>
References : 1 2
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On Sat, 15 Mar 2025 14:47:34 -0700, Jeff Liebermann <
jeffl@cruzio.com>
wrote:
On Sat, 15 Mar 2025 17:30:03 -0000 (UTC), bp@www.zefox.net wrote:
>
While looking around inside a 12 volt to 120 volt inverter charger
I noticed a pin header labeled "5v Rx Tx Gnd" near the edge of the
main circuit board.
>
That sounds more like a USB-A connector pinout:
<https://components101.com/sites/default/files/component_pin/USB-Type-A-Connector-Pinout.jpg>
USB transmits and receives on the same two lines. The two lines are a
differential signal, usually marked D+ and D-
If the pins are labeled Tx and Rx, I'd very much expect the port to be
asynchronous serial, not USB.
Waking up a serial port
Re: Waking up a serial port