On-Chip Debugging Emulator Id Code Protection - Renesas RX100 Series User Manual

RX13T Group
ID code protection
enabled/disabled
Protection disabled
Erase all blocks
in the user area and data area
Figure 31.25 Authentication for Boot Mode ID Code Protection
31.9.1.2

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.
Table 31.11 lists the specifications of on-chip debugging emulator ID code protection.
Table 31.11 On-Chip Debugging Emulator ID Code Protection Specifications
ID Code
Control ID Code 1 to
Code ID Code 15
FFh FFh,..., and FFh
(15 bytes are all FFh)
52h 50h, 72h, 6Fh, 74h,
65h, 63h, and 74h +
any 8 bytes
Other than Other than above
above
R01UH0822EJ0100 Rev.1.00
Jul 31, 2019
Start
Boot mode
Protection enabled
End
ID Code
Matching
Protection Result
Disabled N/A
Enabled N/A
Enabled Matched
Not matched
Check received ID codes
Not matched/
retry
ID codes do not match
three times consecutively
while control code is 45h
Erase all blocks
in the user area and data area
Operation
Enable connection with the on-chip debugging emulator.
Disable connection with the on-chip debugging emulator,
regardless of the codes sent from the on-chip debugging
emulator.
Enable connection with the on-chip debugging emulator.
Continue the ID code wait state.
31. Flash Memory (FLASH)
OK
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