Transmission is done through 2 channels.Currently, this electronic part is Obsolete.The mount can be accessed via the Surface Mount method.There is 5V supply voltage for it.There are some characteristics of Counter, Internal Oscillator that are present in it.
ST16C2450IJ44 Features
ST16C2450IJ44 Applications
There are a lot of Rochester Electronics, LLC ST16C2450IJ44 UARTs applications.