R01UH0822EJ0100 Rev.1.00
Page 938 of 1041
Jul 31, 2019
RX13T Group
31. Flash Memory (FLASH)
31.7.3
Software Commands
Software commands consist of commands for programming and erasure and commands for programming start-up
program area information and access window information.
lists the software commands for use with the flash
memory.
Table 31.4
Software Commands
Command
Function
Program
ROM programming (4 bytes)
E2 DataFlash programming (1 byte)
Block erase
ROM/E2 DataFlash erasure
Blank check
Check whether the specified area is blank.
Confirm that data is not programmed in the area. This command does not guarantee
whether the area remains erased.
Start-up area information program
Rewrite the start-up area switching information used for start-up program protection.
Access window information program
Set the access window used for area protection.
Unique ID read
Read the unique ID in the extra area.