TXZ Family
Flash Memory
2018-06-05
110 / 120
Rev. 2.0
6.7.1.4. Step-4
Subsequently, confirm whether the erased area of the flash are blank, and then downloads a new user’s application
program data from the transfer source (Host) to develop it on the RAM.
Developed data on the RAM is written to the erased area of the flash memory. When all data programming is
completed, set the program/erase protection of that flash block in the user program area to ON.
Figure 6.28 Reprogramming using Dual Mode (4)
6.7.1.5. Step-5
Upon reset, the flash memory is set to normal mode. After reset, the CPU will start operation along with the new
application program.
Figure 6.29 Reprogramming using Dual Mode (5)
Note: All products do not support the determination of the transition destination by the deassertion of Power On
Reset (POR). For the details, refer to “Product Information” in Reference manual.
(Note)
( FLASH I/F 0 )
( FLASH I/F 1 )
( FLASH I/F 0 )
( FLASH I/F 1 )