Datasheet

721
Program mode
Erase mode
Error (standby)
Error
Standby mode
RD VF PR ER FLER = 0
RD VF PR ER FLER = 1
RD VF PR ER FLER = 0
RD VF PR ER FLER = 0
RES = 0
RES = 0
RES = 0
Reset or standby
(hardware protection)
FLMCR1, FLMCR2,
EBR1, EBR2
initialization state
Error protection mode
(software standby)
Software standby
mode release
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
Legend
Error protection mode
FLMCR1, FLMCR2, EBR1,
EBR2 initialization state
Figure 22.15 Flash Memory State Transitions