參數(shù)資料
型號: 7643
英文描述: IrDA. protocol handler plus endec for DCE Apps, -40C to +85C, 18-SOIC 300mil, TUBE
中文描述: 7643Group數(shù)據(jù)表數(shù)據(jù)表1369K/JUL.30.03
文件頁數(shù): 103/120頁
文件大小: 1369K
代理商: 7643
Rev.1.00 Jul 30, 2003 page 103 of 119
7643 Group
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.
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.
d
a
t
a
0
d
a
t
a
2
5
5
A
B
8
A
B
1
t
5
o
A
B
1
A
6
t
o
B
2
3
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
)
7
0
1
6
Fig. 88 Timing for page read
Fig. 89 Timing for reading status register
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