m30262f8gp Renesas Electronics Corporation., m30262f8gp Datasheet - Page 207

• 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)
Table 1.20.2. Definition of each bit in status register
Figure 1.20.6. Full status check flowchart and remedial procedure for errors
SR7 (D
SR6 (D
SR5 (D
SR4 (D
SR4 (D
SR2 (D
SR1 (D
SR0 (D
Each SRD bit
Full Status Check
End (block erase, program)
By performing full status check, it is possible to know the execution results of erase and program
operations. Figure 1.20.6 shows a full status check flowchart and the action to be taken when each
error occurs.
7
6
5
4
3
2
1
0
)
)
)
)
)
)
)
)
Read status register
SR5=0?/FMR07?
SR4=0?/FMR06?
Note: When one of SR5 to SR4 is set to 1, neither program nor block erase commands
SR5=1/FMR07?
SR4=1/FMR06
Preliminary Specifications Rev. 0.9
Specifications in this manual are tentative and subject to change.
and
are accepted. Execute the clear status register command (50
these commands.
YES
YES
NO
Write state machine (WSM)
Reserved
Erase status
Program status
Program status after program
Reserved
Reserved
Reserved
YES
NO
NO
(Set an address to even when reading the status register)
Status name
Block erase error
sequence error
Program error
Command
Renesas Technology Corp.
(1) Execute the Clear Status Register command (50
(2) Try performing the operation one more time after confirming
(1) Execute the Clear Status Register command to set the erase
(2) Re-execute the Block Erase command.
(3) Until erase error disappears, please retry (1) and (2) at least
Note 1: If the error still occurs, the block in error cannot be used.
[During programming]
(1) Execute the Clear Status Register command to set the
(2) Re-execute the Program command.
Note 2: If the error still occurs, the block in error cannot be used.
the status register.
that the command is entered correctly.
status flag to "0".
3 times.
program status flag to "0".
Terminated in error
Terminated in error
Terminated in error
Ready
.
“1”
_
_
_
_
16
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
) before executing
Definition
Terminated normally
Terminated normally
Terminated normally
M16C/26 Group
Busy
“0”
_
_
_
_
16
) to clear
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