2018-04-12 12:20 AM
inserting constant at a specific address of .hex file
2018-04-12 01:44 AM
The immediate question is: why do you feel the need to do that?
But 'how to do it in Keil' is a Keil question - nothing specifically to do with STM32.
The Keil documentation is available here:
http://www.keil.com/support/man_arm.htm
Also check out their support & learning materials: