R5F61525 RENESAS [Renesas Technology Corp], R5F61525 Datasheet - Page 663

• Manufacturer Part Number: R5F61525
• Description: 32-Bit CISC Microcomputer H8SX Family H8SX/1500 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Error protection is canceled by a reset. Note that the reset should be released after the reset input
period of at least 100 µs has passed. Since high voltages are applied during programming/erasing
of the flash memory, some voltage may remain after the error protection state has been entered.
For this reason, it is necessary to reduce the risk of damaging the flash memory by extending the
reset input period so that the charge is released.
The state-transition diagram in figure 17.16 shows transitions to and from the error protection
state.
Error occurrence
Programming/erasing enabled
Programming/erasing
Programming/erasing disabled
Error-protection mode
Read disabled
FLER = 0
mode
Read enabled
FLER = 1
Figure 17.16 Transitions to Error Protection State
Software standby mode
software standby mode
RES = 0
Cancel
Section 17 Flash Memory (0.18-(m F-ZTAT Version)
Programming/erasing interface
register is in its initial state.
Programming/erasing disabled
Error-protection mode
RES = 0
(software standby)
Rev. 3.00 Mar. 14, 2006 Page 625 of 804
Read disabled
Programming/erasing disabled
FLER = 1
(hardware protection)
Read disabled
Programming/erasing interface
register is in its initial state.
FLER = 0
Reset
REJ09B0104-0300