> Is there any other best option other than Putty
Another terminal app often used by Windows people is Teraterm.
Some terminal apps have special input widget to enter a command line without needing echo from the target and without interference with the output from target. This can be very handy. (I use YAT but there are others).
If you like python and automation, consider using the pyserial library. Teraterm has scripting as well. A script can, for example, parse your .map file and find addresses and types of your global variables ))
> Please suggest if any sample codes available.
Google, search github, get help on https://www.fiverr.com/categories/programming-tech/electronics-engineering/embedded-systems-iot - this is not too complicated.
