Memorizing data in Cortex M4 Keil 4 and Keil 5

I would like to make devices to put passwords for example. I like owner to change, put new passwords, erase the password and stay in memory after disconnecting from electrical power.Where to put these...
Memorizing, erasing data on internal flash data in Cortex M4 Keil 4 and Keil 5

Can I memorize ,erase data on internal flash? I would like to make devices to put passwords for example. I like owner to change, put new passwords, erase the password and stay in memory after disconnecting...
Using text and data segment in KEIL

Currently working with STM 32F427 which uses Cortex-M4, so migrating legacy code from GHS MULTI IDE to KEIL MDK-ARM. In some part legacy code GHS Multi IDE defines data segment is assigned to some variables...
Using text and data segment in KEIL

Currently working with STM 32F427 which uses Cortex-M4, so migrating legacy code from GHS MULTI IDE to KEIL MDK-ARM. In some part legacy code GHS Multi IDE defines data segment is assigned to some variables...
ARM Cortex M0-DS and Keil Tools

I am trying to impliment a program which take data from GPIO port and send it on UART and LED port using cortex M0DS kit. I worte a code in C and try to generate hex file to burn in flash. But the the...