HD64F2357F20V Datasheet, PDF (630/1049 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-chip Microcomputer H8S Family / H8S/2300 Series

Normal Operating mode
Program mode
Erase mode
RES = 0 or STBY = 0
Reset or hardware standby
(hardware protection)
RD VF PR ER
FLER = 0
Error
occurrence
Error occurrence
(software standby)
RD VF PR ER
RES = 0 or
FLER = 0
STBY = 0
FLMCR1, FLMCR2,
RES = 0 or
STBY = 0
EBR1, EBR2
initialization state
Error protection mode
Software
standby mode
Error protection mode
(software standby)
RD VF PR ER
FLER = 1
Software standby
mode release
RD VF PR ER
FLER = 1
FLMCR1, FLMCR2 (except FLER
bit), EBR1, EBR2 initialization state
Legend:
RD: Memory read possible
VF: Verify-read possible
PR: Programming possible
ER: Erasing possible
RD: Memory read not possible
VF: Verify-read not possible
PR: Programming not possible
ER: Erasing not possible
Figure 19-21 Flash Memory State Transitions
Rev.6.00 Oct.28.2004 page 600 of 1016
REJ09B0138-0600H