SH7040 Datasheet, PDF (759/923 Pages) Renesas Technology Corp – Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)

Program mode
Erase mode
RD VF PR ER FLER = 0
Error
RES = 0
Error _(standby)
RES ^{= 0}
Reset or standby
(hardware protection)
RD VF PR ER FLER = 0
RES = 0
FLMCR1, FLMCR2,
EBR1, EBR2
initialization state
Error protection mode
Standby mode
Error protection mode
(software standby)
RD VF PR ER FLER = 0
Software standby
RD VF PR ER FLER = 1
mode release
FLMCR1, FLMCR2, EBR1,
EBR2 initialization state
Legend
RD: Memory read possible
VF: Verify-read possible
PR: Programming possible
ER: Erase enable
RD: Memory read not possible
VF: Verify-read not possible
PR: Programming not possible
ER: Erasing not possible
Figure 22.15 Flash Memory State Transitions
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