$TOOLKIT_DIR$\config\flashloader\Fujitsu\FlashMB9BF500.out 4 4 0x1000 1 0xC000 3 0x10000 0x00000000 $TOOLKIT_DIR$\config\flashloader\Fujitsu\FlashMB9BF50x.mac 1 The "--protect" argument is used to program protection code 0x0001 in the security code area of the flash. Note: Writing the protection code disables JTAG access and debug is not possible. To release security, perform the chip erase operation using a serial writer because the security cannot be released through JTAG pins.