SH7058 Datasheet, PDF (925/1130 Pages) Renesas Technology Corp – Renesas SuperHTM RISC engine

this reason, it is necessary to reduce the risk of damage to the flash memory by extending the reset
period so that the charge is released.
The state-transition diagram in figure 23.16 shows transitions to and from the error protection
state.
Program mode
Erase mode
Reset or standby
= 0 or
=0
(Hardware protection)
Read disabled
Programming/erasing
enabled
FLER=0
Error occurred
Er_{(rSorofotwccaurerresdtandby) =0 or =0}
Read enabled
Programming/erasing disabled
FLER=0
=0 or
=0
Programming/erasing interface
register is in its initial state.
Error protection mode ^{Software standby mode}
Error protection mode
(Software standby)
Read enabled
Programming/erasing disabled
FLER=1
Cancel
software standby
mode
Read disabled
Programming/erasing disabled
FLER=1
Programming/erasing interface
register is in its initial state.
Figure 23.16 Transitions to and from Error Protection State
Rev. 3.0, 09/04, page 884 of 1086