參數(shù)資料
型號: 7641
英文描述: 7641 Group Datasheet Datasheet 2145K/MAR.26.02
中文描述: 7641組數(shù)據(jù)表數(shù)據(jù)表2145K/MAR.26.02
文件頁數(shù): 120/137頁
文件大?。?/td> 2145K
代理商: 7641
119
7641 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
G
Read Status Register Command
This command reads status information. When the
70
16
com-
mand code is transferred with the 1st byte, the contents of the
status register (SRD) with the 2nd byte and the contents of status
register 1 (SRD1) with the 3rd byte are read.
G
Page Read Command
This command reads the specified page (256 bytes) in the flash
memory sequentially one byte at a time. Execute the page read
command as explained here following.
(1) Transfer the
FF
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) From the 4th byte onward, data (DB
0
to DB
7
) for the page (256
bytes) specified with addresses AB
8
to AB
23
will be output se-
quentially from the smallest address first synchronized with the
fall of the clock.
data0
data255
AB
8
to
AB
15
AB
16
to
AB
23
F
F
1
6
S
C
L
K
S
R
X
D
S
T
X
D
S
R
D
Y
(
B
U
S
Y
)
S
o
R
t
D
p
u
u
t
S
o
R
u
D
p
1
u
t
t
S
C
L
K
S
R
X
D
S
T
X
D
S
R
D
Y
(
B
U
S
Y
)
70
16
Fig. 98 Timing for page read
Fig. 99 Timing for reading status register
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