SH7014 Datasheet, PDF (561/754 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

18. 128 kB Flash Memory (F-ZTAT)
Program mode
Erase mode
RD VF PR ER FLER = 0
RES = 0
Reset or standby
(hardware protection)
RD VF PR ER FLER = 0
Error
occurrence
Error occurrence
(Standby)
RES = 0
RES = 0
FLMCR1, EBR1
initialization state
Error protection mode
Standby mode
Error protection mode
(Standby)
RD VF PR ER FLER = 1
Standby mode
release
RD VF PR ER FLER = 1
FLMCR1, EBR1
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 18.15 Flash Memory State Transitions
Rev.5.00 Sep. 27, 2007 Page 527 of 716
REJ09B0398-0500