R01UH0823EJ0100 Rev.1.00
Page 1734 of 1823
Jul 31, 2019
RX23W Group
50. Flash Memory (FLASH)
50.11.4
Procedure for Transition to the Program/Erase Host Command Wait State
Send the program/erase host command wait state transition command to perform program/erase operations. The MCU
sends a response according to whether boot mode ID code protection is enabled or disabled.
(1) When boot mode ID code protection is disabled, the MCU sends a response (06h), and enters the program/erase host
command wait state. Use the serial programmer to start from the operation described in
Procedure to Erase the User Area and Data Area
(2) When the boot mode ID code protection is enabled, the MCU sends a response (16h), and enters the ID code
authentication wait state. Use the serial programmer to start from the operation described in
Procedure to Unlock Boot Mode ID Code Protection
Figure 50.36
Procedure to Transition to the Program/Erase Host Command Wait State
40h (program/erase host command wait state transition command)
06h (ACK)
Boot mode ID code
protection is disabled
Serial
programmer
MCU
16h (ACK)
Boot mode ID code
protection is enabled
(1)
(2)