R01UH0823EJ0100 Rev.1.00
Page 1709 of 1823
Jul 31, 2019
RX23W Group
50. Flash Memory (FLASH)
Figure 50.29
Authentication for Boot Mode ID Code Protection
50.9.1.2
On-Chip Debugging Emulator ID Code Protection
On-chip debugging emulator ID code protection enables or disables connection with the on-chip debugging emulator.
When the on-chip debugging emulator ID code protection is disabled, connection with the on-chip debugging emulator is
enabled. When 16-byte ID codes sent from the on-chip debugging emulator and ID codes in the user area match while
on-chip debugging emulator ID code protection is enabled, connection with the on-chip debugging emulator is also
enabled.
lists the specifications of on-chip debugging emulator ID code protection.
Table 50.14
On-Chip Debugging Emulator ID Code Protection Specifications
ID Code
Protection
ID Code
Matching
Result
Operation
Control
Code
ID Code 1 to
ID Code 15
FFh
FFh,…, and FFh
(15 bytes are all FFh)
Disabled
N/A
Enable connection with the on-chip debugging emulator.
52h
50h, 72h, 6Fh, 74h,
65h, 63h, and 74h +
any 8 bytes
Enabled
N/A
Disable connection with the on-chip debugging emulator,
regardless of the codes sent from the on-chip debugging
emulator.
Other than
above
Other than above
Enabled
Matched
Enable connection with the on-chip debugging emulator.
Not matched
Continue the ID code wait state.
Boot mode
ID code protection
enabled/disabled
OK
Not matched/
retry
ID codes do not match
three times consecutively
while control code is 45h
Protection enabled
Protection disabled
Start
Check received ID codes
End
Erase all blocks
in the user area and data area
Erase all blocks
in the user area and data area