Renesas M16C/26A Series Hardware Manual page 269

16-bit single-chip microcomputer m16c family / m16c/tiny series
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M
1
6
C
2 /
6
A
G
o r
u
p
(
M
1
6
(EW0 mode)
Write the command code 'xx20
Write 'xxD0
block address
Full status check
Block erase completed
(EW1 mode)
Write the command code 'xx20
Write 'xxD0
block address
Full status check
Block erase completed
NOTES:
1. Write the command code and data to even address.
2. Execute the clear status register command and block erase command at least 3 times until an erase
error is not generated when an erase error is generated.
3. In EW0 mode, allocate an interrupt vector table of an interrupt, to be used, to a RAM area.
4. Refer to "Figure 17.8.4.1 Full Status Check and Handling Procedure for Each Error."
Figure 17.7.5.2. Block Erase Command (at use erase suspend)
R
e
. v
2
0 .
0
F
e
b
1 .
, 5
2
0
0
7
R
E
J
0
9
B
0
2
0
2
0 -
2
0
0
C
2 /
6
, A
M
1
6
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6
, B
M
1
6
Start
FMR40=1
'
16
(1)
' to the highest-order
16
(1)
NO
FMR00=1?
YES
(2,4)
Start
FMR40=1
'
16
(1)
' to the highest-order
16
(1)
FMR41=0
NO
FMR00=1?
YES
(2,4)
page 250
f o
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9
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6
) T
Interrupt service routine
Access Flash Memory
(Interrupt service routine end)
Interrupt service routine
Access Flash Memory
(Interrupt service routine end)
17. Flash Memory Version
(3)
FMR41=1
NO
FMR46=1?
YES
FMR41=0
Return
(3)
Return

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