HD64F7050 RENESAS [Renesas Technology Corp], HD64F7050 Datasheet - Page 638

• Manufacturer Part Number: HD64F7050
• Description: 32-Bit RISC Microcomputer SuperH RISC engine Family/
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 19 ROM (256 kB Version)
Rev. 5.00 Jan 06, 2006 page 618 of 818
REJ09B0273-0500
Legend:
RD: Memory read possible
VF: Verify-read possible
PR: Programming possible
ER: Erasing possible
RD VF PR ER FLER = 0
Program mode
occurrence
Erase mode
RD VF PR ER FLER = 1
Error protection mode
Error
Figure 19.9 Flash Memory State Transitions
Error occurrence
(software standby)
RD: Memory read not possible
VF: Verify-read not possible
PR: Programming not possible
ER: Erasing not possible
RES = 0 or HSTBY = 0
Software
standby mode
Software standby
mode release
RES = 0 or
HSTBY = 0
HSTBY = 0
RES = 0 or
RD VF PR ER FLER = 1
Error protection mode
FLMCR1, FLMCR2, EBR1,
EBR2 initialization state
(software standby)
RD VF PR ER FLER = 0
(hardware protection)
Reset or standby
FLMCR1, FLMCR2,
EBR1, EBR2
initialization state