memory.md

• there are sectors of 128 kbytes each

• 1 page == 512 bytes pages == 256 pages == 1 sectors

• 1 page == 256 words

• 4096 pa

• the first sectore is divided into 3 parts

  • 8kb
  • 8kb
  • 112kb

• 1 word = 2 bytes

• Flash write can only convert 1 to 0

• Flash erase sets all bits to 0

• internal rom : 0x00800000

• flash : 0x400000

• lock and unlock flash addresses to protect data from write and erase.

• When security is enabled, any access to the Flash, SRAM, core registers and internal peripherals, either through the SW-DP, the ETM interface or the Fast Flash Programming Interface, is blocked.

• Erase by

  • Erase al memory
  • Erase by pages
  • Erase by sectors