m30262f8gp Renesas Electronics Corporation., m30262f8gp Datasheet - Page 224

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

218
Appendix Standard Serial I/O Mode 1 (Flash Memory Version)
Figure 1.22.13. Full status check flowchart and remedial procedure for errors
Full Status Check
Results from executed erase and program operations can be known by running a full status check.
Figure 1.22.13 shows a flowchart of the full status check and explains how to remedy errors which occur.
End (block erase, program)
Note: When one of SR5 to SR4 is set to 1, none of the program, erase all blocks, and
Read status register
SR4=1 and SR5
Preliminary Specifications Rev. 0.9
block erase commands is accepted. Execute the clear status register command
(50
SR5=0?
SR4=0?
Specifications in this manual are tentative and subject to change.
=1 ?
16
) before executing these commands.
YES
YES
NO
YES
NO
NO
Block erase error
sequence error
Program error
Command
Renesas Technology Corp.
Execute the clear status register command (50
to clear the status register. Try performing the
operation one more time after confirming that the
command is entered correctly.
Should a block erase error occur, the block in error
cannot be used.
Execute the read lock bit status command (71
to see if the block is locked. After removing lock,
execute write operation in the same way. If the
error still occurs, the page in error cannot be
used.
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M16C/26 Group
16
16
)
)