參數(shù)資料
型號(hào): 3850
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): 68/99頁
文件大小: 1384K
代理商: 3850
68
3850 Group (Spec. H/A)
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Fig. 68 Timing for clear status register
G
Clear Status Register Command
This command clears the bits (SR4, SR5) which are set when the
status register operation ends in error. When the
50
16
command
code is sent with the 1st byte, the aforementioned bits are
cleared. When the clear status register operation ends, the S
RDY1
(BUSY) signal changes from
H
to
L
level.
G
Page Program Command
This command writes the specified page (256 bytes) in the flash
memory sequentially one byte at a time. Execute the page pro-
gram command as explained here following.
(1) Transfer the
41
16
command code with the 1st byte.
(2) Transfer addresses A
8
to A
15
and A
16
to A
23
(
00
16
) with the
2nd and 3rd bytes respectively.
(3) From the 4th byte onward, as write data (D
0
to D
7
) for the
page (256 bytes) specified with addresses A
8
to A
23
is input
sequentially from the smallest address first, that page is auto-
matically written.
When reception setup for the next 256 bytes ends, the S
RDY1
(BUSY) signal changes from
H
to
L
level. The result of the
page program can be known by reading the status register. For
more information, see the section on the status register.
Fig. 69 Timing for page program
S
C
L
K
R
x
D
T
x
D
S
R
D
Y
1
(
B
U
S
Y
)
50
16
A
8
A
1
t
5
o
A
1
A
2
6
t
o
3
4
1
1
6
d
a
t
a
0
d
a
t
a
2
5
5
S
C
L
K
R
x
D
T
x
D
S
R
D
Y
1
(
B
U
S
Y
)
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