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R8C/18 Group, R8C/19 Group
Table 17.2
Flash Memory Rewrite Modes
Flash Memory
Rewrite Mode
Function
Areas which can
be rewritten
Operating mode Single chip mode
ROM
programmer
Rev.1.30
Apr 14, 2006
REJ09B0222-0130
CPU Rewrite Mode
User ROM area is rewritten by
executing software commands
from the CPU.
EW0 mode: Rewritable in any
area other than
flash memory
EW1 mode: Rewritable in flash
memory
User ROM area
None
Page 173 of 233
Standard Serial I/O Mode
User ROM area is rewritten
by a dedicated serial
programmer.
User ROM area
Boot mode
Serial programmer
17. Flash Memory Version
Parallel I/O Mode
User ROM area is
rewritten by a dedicated
parallel programmer.
User ROM area
Parallel I/O mode
Parallel programmer
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