Procedure To Unlock Boot Mode Id Code Protection - Renesas RX100 Series User Manual

RX13T Group
31.11.5

Procedure to Unlock Boot Mode ID Code Protection

Send the ID code check command to unlock boot mode ID code protection.
(1) When ID codes match, the MCU enters the program/erase host command wait state. Data in the user area and data
area are not erased. Use the serial programmer to start from the operation described in section 31.11.6, Procedure
to Erase the User Area and Data Area .
(2) If ID codes do not match consecutively, the MCU remains in the boot mode ID code authentication state. Reset the
MCU, and then use the serial programmer to start again from section 31.11.1, Bit Rate Automatic Adjustment
Procedure .
Serial
programmer
Figure 31.32 Procedure to Unlock ID Code Protection
R01UH0822EJ0100 Rev.1.00
Jul 31, 2019
60h (ID code check command)
06h (ACK)
ID codes match
E0h, XXh (error code)
ID codes does not match
31. Flash Memory (FLASH)
MCU
(1)
(2)
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