16550 UART
Videos
The 16550 UART is an integrated circuit designed for implementing the interface for serial communications. The corrected -A version was released in 1987 by National Semiconductor. It is frequently use
Exar 16550
National Semiconductor NS16550AFN
COM (hardware interface)
Videos
COM is the name of the serial port interface on PC-compatible computers. It can refer to physical ports and to emulated ports, such as ports created by Bluetooth or USB adapters.
COM port (DE-9 connector).
USB to RS-232 adapter with one 9-pin COM port (FTDI US-232R)
PCI-E card with one 9-pin COM port
PCI card with two 9-pin COM ports