Software Commands - Renesas RX100 Series User Manual

RX13T Group
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. Table 31.4 lists the software commands for use with the flash
memory.
Table 31.4 Software Commands
Command
Program
Block erase
Blank check
Start-up area information program
Access window information program
Unique ID read
R01UH0822EJ0100 Rev.1.00
Jul 31, 2019
Function
 ROM programming (4 bytes)
 E2 DataFlash programming (1 byte)
ROM/E2 DataFlash erasure
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.
Rewrite the start-up area switching information used for start-up program protection.
Set the access window used for area protection.
Read the unique ID in the extra area.
31. Flash Memory (FLASH)
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