m30262f8gp Renesas Electronics Corporation., m30262f8gp Datasheet - Page 205

• Manufacturer Part Number: m30262f8gp
• Description: Renesas 16-bit Cmos Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

CPU Rewrite Mode (Flash Memory Version)
Figure 1.20.5. Block erase flowchart with erase suspend function
(EW0 mode)
(EW1 mode)
Preliminary Specifications Rev. 0.9
Note 1: Write value to highest even address within the block.
Note 2: If the error occurs, try to execute Clear Status Register command then
Note 3: Please set interrupt vector table on RAM region with EW0 mode.
Note 4: Please refer to Figure 1.20.6, "Full status check flowchart and remedial
Specifications in this manual are tentative and subject to change.
Write 'XX20
Write 'XX20
Write 'XXD0
uppermost address
(Note 1)
Write 'XXD0
uppermost address
(Note 1)
Block Erase command at least three times until erase error disappears.
procedure for errors".
Full Status Check
Full Status Check
Block erase
Block erase
FMR00=1?
FMR00=1?
(Note 2, 4)
(Note 2, 4)
completed
completed
FMR40=1
FMR40=1
FMR41=0
Start
Start
16
16
YES
YES
16
16
' (Note 1)
' (Note 1)
' to the
' to the
Renesas Technology Corp.
NO
NO
Access to Flash Memory
Access to Flash Memory
Interrupt (Note 3)
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
FMR46=1?
FMR41=1
Interrupt
FMR41=0
REIT
REIT
YES
NO
M16C/26 Group
199