m30833fjgp Renesas Electronics Corporation., m30833fjgp Datasheet - Page 429

• Manufacturer Part Number: m30833fjgp
• Description: Renesas 16/32-bit Single-chip Microcomputer M16c Family / M32c/80 Series
• Manufacturer: Renesas Electronics Corporation.

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3
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Table 25.5 Errors and Status Register State
NOTES:
2
0
25.3.6 Full Status Check
SR5 SR4 SR3
1
9
C
1
1
0
0
3 .
B
If an error occurs when a program or erase operation is completed, the SR3 to SR5 bits in the status
register are set to "1", indicating a specific error. Therefore, execution results can be confirmed by verify-
ing these bits (full status check).
Table 25.5 lists errors and status register state. Figure 25.12 shows a flow chart of the full status check
and handling procedure for each error.
1. The flash memory enters read array mode when command code "xxFF
2. If the FMR02 bit is set to "1" (lock bit disabled), no error occurs even under the conditions listed above.
8 /
Status Register
0
1
3
0
cycle of these commands. The command code written in the first bus cycle becomes invalid.
3
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G
4
a
0
1
0
0 -
n
o r
1
3 .
1
u
, 1
3
p
1
2
(
M
0
0
0
0
1
0
3
6
2
C
Command sequence
error
Erase error
Program error
Excessive write error
8 /
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, 3
M
3
2
Error
C
f o
8 /
4
3
8
) T
8
• The page program command is executed on a locked
• The page program command is executed in an unlocked
• The lock bit program command is executed but the pro-
Excessive write occurs after the page program command
is executed
• An incorrect command is written
• A value other than "xxD0
• The block erase command is executed on a locked block
• The block erase or erase all unlocked block command is
block
block but the program operation is not completed as ex-
pected
gram operation is not completed as expected
ond bus cycle of the lock bit program, block erase or erase
all unlocked block command
executed on an unlock block but the erase operation is not
completed as expected
(2)
Error Occurrence Conditions
16
" or "xxFF
(1)
16
" is written in the second bus
16
25. Flash Memory Version
" is written in the sec-
2