參數(shù)資料
型號(hào)： M37641M8-XXXHP
廠商： Mitsubishi Electric Corporation
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述： 單芯片8位CMOS微機(jī)
文件頁數(shù)： 129/149頁
文件大?。?/td> 1997K
代理商： M37641M8-XXXHP
129
7641 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
PRELIMINARY
Notice: This is not a final specification.
change.
Some parametric limits are subject to
G
Block Erase Command
This command erases the contents of the specifided block. Ex-
ecute the block erase command as explained here following.
(1) Transfer the
“
20
16
”
command code with the 1st byte.
(2) Transfer addresses AB
8
to AB
15
and AB
16
to AB
23
with the 2nd
and 3rd bytes respectively.
(3) Transfer the verify command code
“
D0
16
”
with the 4th byte.
With the verify command code, the erase operation will start
for the specifided block in the flash memory. Set the addresses
AB
8
to AB
23
to the maximum address of the specified block.
20
16
D
0
1
6
S
C
L
K
S
R
X
D
S
T
X
D
S
R
D
Y
(
B
U
S
Y
)
A
B
8
A
B
1
t
o
5
A
B
1
A
6
t
3
o
B
2
When block erasing ends, the SRDY (BUSY) signal changes from
“
H
”
to
“
L
”
level. The result of the erase operation can be known by
reading the status register.
For more information, see the section on the status register.
Fig. 109 Timing for block erasing
G
Erase All Blocks Command
This command erases the contents of all blocks. Execute the
erase all blocks command as explained here following.
(1) Transfer the
“
A7
16
”
command code with the 1st byte.
(2) Transfer the verify command code
“
D0
16
”
with the 2nd byte.
With the verify command code, the erase operation will start
and continue for all blocks in the flash memory.
When erase all blocks end, the SRDY (BUSY) signal changes
from
“
H
”
to
“
L
”
level. The result of the erase operation can be
known by reading the status register.
A7
16
D0
16
SCLK
SRXD
STXD
SRDY (BUSY)
Fig. 110 Timing for erase all blocks
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