Serial communication: cables, protocols, ports and controllers like UARTs.
In computing, a serial port is a serial communication interface through which information transfers in or out one bit at a time.
Questions tagged [serial]
51 questions
27
votes
9 answers
What were the applications of 5/6-bit serial port formats?
Traditional PC serial ports, based on members of the 8250/16550 UART families (or their clones within SuperIO chips) support some unusual serial data formats, specifically 5- and 6-bit data, and 1.5 stop bits.
Some USB-Serial adaptors (Prolific)…
anon
7
votes
1 answer
Reading data over serial from an old punched tape reader
I have an old GNT-4601 punched tape reader/punch that I'm trying to connect to a modern computer. Using the DTE port and a usb-to-serial adapter, I'm able to send data to the punch but I can't read anything back. Py-serial gives a single b'\x00' on…
Matt Bierner
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3
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Creative uses for serial port?
I know it's still used for many industrial microcontrollers but that's not what I am asking; I also know that it's quite slow.
It's just that I hate seeing an unused port on my desktop pc, while all other ports (USB, Sata, PCIe...) are busy. So,…
MrJohn
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